# Labra's home page
Canonical: https://social-archive.org/arc/bjxPiuWerE
Original URL: http://labra.weso.es/
Author: Jose Emilio Labra Gayo
Platform: web
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## Content
## Biography Full Professor (Catedrático), [University of Oviedo](http://uniovi.es/), Spain. Founder and main researcher of [WESO (Web Semantics Oviedo)](http://www.weso.es/) research group, which collaborates with different companies around the world applying semantic web technologies to solve practical problems. Member of [Data Shapes](https://www.w3.org/2014/data-shapes/wiki/Main_Page) W3C Working Groups and of [Shape Expressions](https://www.w3.org/community/shex/), [SHACL](https://www.w3.org/community/shacl/), [RAX (RDF and XML interoperability)](https://www.w3.org/community/rax/) and [Best practices of Multilingual Linked Open Data](https://www.w3.org/community/bpmlod/) W3C community groups. Previously, coordinator of the [Master in Web Engineering](http://miw.uniovi.es/) - University of Oviedo (2016-2017), and Dean of the [School of Computer Science Engineering](http://ingenieriainformatica.uniovi.es/) - [University of Oviedo](http://uniovi.es/) (2004-2012). ### Interests - Semantic Web - Programming languages - Software Architecture ### Education - PhD in Computer Science Engineering, 2001 University of Oviedo ## Publications See [All publications](http://labra.weso.es/publication/). Other lists: [DBLP](https://dblp.uni-trier.de/pers/hd/g/Gayo:Jos=eacute=_Emilio_Labra), [Google scholar](https://scholar.google.com/citations?user=TGfRNZkAAAAJ),, [Research gate](https://www.researchgate.net/profile/Jose_Labra_Gayo) - [TogoMCP: natural language querying of life-science knowledge graphs via schema-guided LLMs and the Model Context Protocol](http://labra.weso.es/publication/2026_togomcp_database/), [Akira R Kinjo](https://labra.weso.es/authors/akira-r-kinjo), [Yasunori Yamamoto](https://labra.weso.es/authors/yasunori-yamamoto), [Samuel Bustamante-Larriet](https://labra.weso.es/authors/samuel-bustamante-larriet), [Jose-Emilio Labra-Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Takatomo Fujisawa](https://labra.weso.es/authors/takatomo-fujisawa), Database - 2026 - [rudof-MCP: A Model Context Protocol Server for Semantic Web Operations](http://labra.weso.es/publication/2026_mcp_rudof/), [Samuel Bustamante Larriet](https://labra.weso.es/authors/samuel-bustamante-larriet), [Diego Martín Fernández](https://labra.weso.es/authors/diego-mart%C3%ADn-fern%C3%A1ndez), [Álvaro García Fernández](https://labra.weso.es/authors/%C3%A1lvaro-garc%C3%ADa-fern%C3%A1ndez), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), *Extended Semantic Web Conference*, ESWC26, Posters and Demos - 2026 - [Common Foundations for Recursive Shape Languages](http://labra.weso.es/publication/2026_foundations_recursive_shapes_languages/), [Shqiponja Ahmetaj](https://labra.weso.es/authors/shqiponja-ahmetaj), [Iovka Boneva](https://labra.weso.es/authors/iovka-boneva), [Jan Hidders](https://labra.weso.es/authors/jan-hidders), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Wim Martens](https://labra.weso.es/authors/wim-martens), [Fabio Mogavero](https://labra.weso.es/authors/fabio-mogavero), [Filip Murlak](https://labra.weso.es/authors/filip-murlak), [Cem Okulmus](https://labra.weso.es/authors/cem-okulmus), [Ognjen Savković](https://labra.weso.es/authors/ognjen-savkovi%C4%87), [Mantas Šimkus](https://labra.weso.es/authors/mantas-%C5%A1imkus), [Dominik Tomaszuk](https://labra.weso.es/authors/dominik-tomaszuk), 23rd International Conference on Principles of Knowledge Representation and Reasoning - 2026 - [sheXer: A robust and versatile library for automatic extraction of RDF shapes](http://labra.weso.es/publication/2026_shexer_software_x/), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Software X - 2026 - [MCP server tools with RDF shapes](http://labra.weso.es/publication/2025_mcp_server_tools_rdf/), [Jose Emilio Labra-Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Yasunori Yamamoto](https://labra.weso.es/authors/yasunori-yamamoto), [Akira R. Kinjo](https://labra.weso.es/authors/akira-r.-kinjo), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), [Javier Acosta](https://labra.weso.es/authors/javier-acosta), [Shuichi Kawashima](https://labra.weso.es/authors/shuichi-kawashima), [Yoko Okabeppu](https://labra.weso.es/authors/yoko-okabeppu), [Julia Koblitz](https://labra.weso.es/authors/julia-koblitz), [Samuel Bustamante Larriet](https://labra.weso.es/authors/samuel-bustamante-larriet), BioHackrXiv preprint - 2025 - [On Property Constraints in PG-Schema](http://labra.weso.es/publication/2025_property_constraints_pg_schema/), [Dominik Tomaszuk](https://labra.weso.es/authors/dominik-tomaszuk), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), *Knowledge Capture and Knowledge Representation Conference*, KCAP25 - 2025 - [PG-Schema with Property Constraints validator in Rudof](http://labra.weso.es/publication/2026_rudof_pgschema_pc/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Dominik Tomaszuk](https://labra.weso.es/authors/dominik-tomaszuk), [Diego Martín Fernández](https://labra.weso.es/authors/diego-mart%C3%ADn-fern%C3%A1ndez), [Samuel Bustamante Larriet](https://labra.weso.es/authors/samuel-bustamante-larriet), [Álvaro García Fernández](https://labra.weso.es/authors/%C3%A1lvaro-garc%C3%ADa-fern%C3%A1ndez), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), *Knowledge Capture and Knowledge Representation Conference*, KCAP25, Posters and Demos - 2025 - [xpSHACL: Explainable SHACL Validation using Retrieval-Augmented Generation and Large Language Models](http://labra.weso.es/publication/2025_xp_shacl/), [Gustavo Correa Publio](https://labra.weso.es/authors/gustavo-correa-publio), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), *LLM+Graph: 2nd International Workshop on Data Management Opportunities in Bringing LLMs with Graph Data*, VLDB25, London, 2025 - 2025 - [Shape Expressions with Inheritance](http://labra.weso.es/publication/2025_shex_inheritance/), [Iovka Boneva](https://labra.weso.es/authors/iovka-boneva), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Eric Prud'hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Katherine Thornton](https://labra.weso.es/authors/katherine-thornton), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), *Extended Semantic Web Conference*, Portoroz, Slovenia, 2025 - 2025 - [Common Foundations for SHACL, ShEx, and PG-Schema](http://labra.weso.es/publication/2025_common_foundations_shacl_shex_pgschema/), [Shqiponja Ahmetaj](https://labra.weso.es/authors/shqiponja-ahmetaj), [Iovka Boneva](https://labra.weso.es/authors/iovka-boneva), [Jan Hidders](https://labra.weso.es/authors/jan-hidders), [Katja Hose](https://labra.weso.es/authors/katja-hose), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Wim Martens](https://labra.weso.es/authors/wim-martens), [Fabio Mogavero](https://labra.weso.es/authors/fabio-mogavero), [Filip Murlak](https://labra.weso.es/authors/filip-murlak), [Cem Okulmus](https://labra.weso.es/authors/cem-okulmus), [Axel Polleres](https://labra.weso.es/authors/axel-polleres), [Ognjen Savković](https://labra.weso.es/authors/ognjen-savkovi%C4%87), [Mantas Šimkus](https://labra.weso.es/authors/mantas-%C5%A1imkus), [Dominik Tomaszuk](https://labra.weso.es/authors/dominik-tomaszuk), International World Wide Web Conference, Sidney, Australia, 2025 - 2025 - [Componentizing autonomous underwater vehicles by physical-running algorithms](http://labra.weso.es/publication/2024_underwater_vehicles_peerj/), [Claudio Navarro](https://labra.weso.es/authors/claudio-navarro), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Francisco A. Escobar Jara](https://labra.weso.es/authors/francisco-a.-escobar-jara), [Carlos Cares](https://labra.weso.es/authors/carlos-cares), PeerJ Computer Science - 2024 - [Toward Efficient Legislative Processes: Analysis of Chilean Congressional Bill Votes Using Semantic Web Technologies](http://labra.weso.es/publication/2024_towardsefficientlegislativeprocesses/), [Francisco Cifuentes Silva](https://labra.weso.es/authors/francisco-cifuentes-silva), [Hernán Astudillo](https://labra.weso.es/authors/hern%C3%A1n-astudillo), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Felipe Rivera Polo](https://labra.weso.es/authors/felipe-rivera-polo), SN Computer Science - 2024 - [rudof: A Rust Library for handling RDF data models and Shapes](http://labra.weso.es/publication/2024_rudof_demo/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Ángel Iglesias Préstamo](https://labra.weso.es/authors/%C3%A1ngel-iglesias-pr%C3%A9stamo), [Diego Martín Fernández](https://labra.weso.es/authors/diego-mart%C3%ADn-fern%C3%A1ndez), [Marc-Antoine Arnaud](https://labra.weso.es/authors/marc-antoine-arnaud), *International Semantic Web Conference*, ISWC24, Posters and Demos - 2024 - [Extending Shape Expressions for different types of knowledge graphs](http://labra.weso.es/publication/2024_shex_extensions/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In 1st Workshop on *Data Quality meets Machine Learning and Knowledge Graphs*, DQMLKG, part of *Extended Semantic Web Conference 2024*, ESWC24. - 2024 - [Introduction to ShEx and ShEx and SHACL Compared](http://labra.weso.es/publication/2024_dagsthulseminar/), [Shqiponja Ahmetaj](https://labra.weso.es/authors/shqiponja-ahmetaj), [Slawomir Staworko](https://labra.weso.es/authors/slawomir-staworko), [Jan Van den Bussche](https://labra.weso.es/authors/jan-van-den-bussche), [Maxime Jakubowsk](https://labra.weso.es/authors/maxime-jakubowsk), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *Dagstuhl Reports, Volume 14, Issue 3*, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2024) - 2024 - [Extracting shapes from large RDF data collections](http://labra.weso.es/publication/2024_extracting_shapes_consolidator-copy/), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Yasunori Yamamoto](https://labra.weso.es/authors/yasunori-yamamoto), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), In *Semantic Web Applications and Tools for Health Care and Life Sciences*, SWAT4HCLS. - 2024 - [Extracting shapes from large RDF data collections](http://labra.weso.es/publication/2024_extracting_shapes_consolidator/), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Yasunori Yamamoto](https://labra.weso.es/authors/yasunori-yamamoto), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), In *Semantic Web Applications and Tools for Health Care and Life Sciences*, SWAT4HCLS. - 2024 - [Using Polarization and Alignment to Identify Quick-Approval Law Propositions: An Open Linked Data Application](http://labra.weso.es/publication/2023_polarization_icai/), [Francisco Cifuentes Silva](https://labra.weso.es/authors/francisco-cifuentes-silva), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Hernán Astudillo](https://labra.weso.es/authors/hern%C3%A1n-astudillo), [Felipe Rivera Polo](https://labra.weso.es/authors/felipe-rivera-polo), In *International Conference on Applied Informatics*, ICAI 2023. - 2023 - [Using Pregel to create Knowledge Graphs subsets described by non-recursive Shape Expressions](http://labra.weso.es/publication/2023_kg_subsets_pregel/), [Ángel Iglesias Préstamo](https://labra.weso.es/authors/%C3%A1ngel-iglesias-pr%C3%A9stamo), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *Fifth Ibero-American Knowledge Graph and Semantic Web Conference*, KGSWC 23 - 2023 - [A comparison between traditional and Serverless technologies in a microservices setting](http://labra.weso.es/publication/2023_serverless/), [Juan Mera Menéndez](https://labra.weso.es/authors/juan-mera-men%C3%A9ndez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Enrique Riesgo Canal](https://labra.weso.es/authors/enrique-riesgo-canal), [Aitor Echevarría Fernández](https://labra.weso.es/authors/aitor-echevarr%C3%ADa-fern%C3%A1ndez), In *Software Engineering and Databases Conference*, JISBD - SISTEDES - 2023 - [Redesign of the validation framework in LinkML](http://labra.weso.es/publication/2023_linkml/), [Deepak Unni](https://labra.weso.es/authors/deepak-unni), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Biohackrxiv preprint - 2023 - [RDF Data integration using Shape Expressions](http://labra.weso.es/publication/2023_rdf_data_integration/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), [Yasunori Yamamoto](https://labra.weso.es/authors/yasunori-yamamoto), [Ángel Iglesias-Préstamo](https://labra.weso.es/authors/%C3%A1ngel-iglesias-pr%C3%A9stamo), [Toshiaki Katayama](https://labra.weso.es/authors/toshiaki-katayama), [Thomas Liener](https://labra.weso.es/authors/thomas-liener), [Deepak Unni](https://labra.weso.es/authors/deepak-unni), [Jerven Bolleman](https://labra.weso.es/authors/jerven-bolleman), [Kiyoko Flora Aoki-Kinoshita](https://labra.weso.es/authors/kiyoko-flora-aoki-kinoshita), [Masashi Yokochi](https://labra.weso.es/authors/masashi-yokochi), [Núria Queralt Rosinach](https://labra.weso.es/authors/n%C3%BAria-queralt-rosinach), [Hiroshi Mori](https://labra.weso.es/authors/hiroshi-mori), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Alberto Labarga](https://labra.weso.es/authors/alberto-labarga), [Jose Alberto Benítez Andrades](https://labra.weso.es/authors/jose-alberto-ben%C3%ADtez-andrades), [Robert Hoehndorf](https://labra.weso.es/authors/robert-hoehndorf), [Eric Prud'hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Claude Nanjo](https://labra.weso.es/authors/claude-nanjo), [Nishad Thalhath](https://labra.weso.es/authors/nishad-thalhath), Biohackrxiv preprint - 2023 - [Wikidata subsetting: approaches, tools, and evaluation](http://labra.weso.es/publication/2023_wikidatasubsetting/), [Seyed Amir Hosseini Beghaeiraveri](https://labra.weso.es/authors/seyed-amir-hosseini-beghaeiraveri), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), [Ammar Ammar](https://labra.weso.es/authors/ammar-ammar), [Carolina Gonzalez](https://labra.weso.es/authors/carolina-gonzalez), [Denise Slenter](https://labra.weso.es/authors/denise-slenter), [Sabah Ul-Hasan](https://labra.weso.es/authors/sabah-ul-hasan), [Egon L. Willighagen](https://labra.weso.es/authors/egon-l.-willighagen), [Fiona McNeill](https://labra.weso.es/authors/fiona-mcneill), [Alasdair J G Gray](https://labra.weso.es/authors/alasdair-j-g-gray), Semantic Web Journal - 2023 - [A dual approach to ShEx visualization with complexity management](http://labra.weso.es/publication/2023_shex3d/), [Jorge Álvarez Fidalgo](https://labra.weso.es/authors/jorge-%C3%A1lvarez-fidalgo), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Arxiv preprint - 2023 - [An approach to increase the usability of Shape Expressions editors](http://labra.weso.es/publication/2023_yashe/), [Pablo Menéndez Suárez](https://labra.weso.es/authors/pablo-men%C3%A9ndez-su%C3%A1rez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Zenodo preprint - 2023 - [Editorial on Knowledge Graphs Validation and Quality](http://labra.weso.es/publication/2023_editorial_kgvq/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Anastasia Dimou](https://labra.weso.es/authors/anastasia-dimou), [Katherine Thornton](https://labra.weso.es/authors/katherine-thornton), [Anisa Rula](https://labra.weso.es/authors/anisa-rula), Semantic Web Journal - 2023 - [Enhancement and Reusage of Biomedical Knowledge Graph Subsets](http://labra.weso.es/publication/2022_enhancement_reusage_biomedical_subsets/), [Jose Emilio Labra-Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Adriana Carolina González Cavazos](https://labra.weso.es/authors/adriana-carolina-gonz%C3%A1lez-cavazos), [Andra Waagmeester](https://labra.weso.es/authors/andra-waagmeester), [Nils Hofmann](https://labra.weso.es/authors/nils-hofmann), [Seyed Amir Hosseini Beghaeiraveri](https://labra.weso.es/authors/seyed-amir-hosseini-beghaeiraveri), [Eric Prud'hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Sabah Ul-Hasan](https://labra.weso.es/authors/sabah-ul-hasan), [Egon Willighagen](https://labra.weso.es/authors/egon-willighagen), [Ammar Ammar](https://labra.weso.es/authors/ammar-ammar), Biorxiv preprint - 2022 - [WShEx: A language to describe and validate Wikibase entities](http://labra.weso.es/publication/2022_wshex/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *Wikidata Workshop*, International Semantic Web Conference. CEUR Proceedings, vol 3265 - 2022 - [Using logical constraints to validate statistical information about disease outbreaks in collaborative knowledge graphs: the case of COVID-19 epidemiology in Wikidata](http://labra.weso.es/publication/2022_constraints_wikidata/), [Houcemeddine Turki](https://labra.weso.es/authors/houcemeddine-turki), [Dariusz Jemielniak](https://labra.weso.es/authors/dariusz-jemielniak), [Mohamed A. Hadj Taieb](https://labra.weso.es/authors/mohamed-a.-hadj-taieb), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Mohamed Ben Aouicha](https://labra.weso.es/authors/mohamed-ben-aouicha), [Mus’ab Banat](https://labra.weso.es/authors/musab-banat), [Thomas Shafee](https://labra.weso.es/authors/thomas-shafee), [Eric Prud’hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Tiago Lubiana](https://labra.weso.es/authors/tiago-lubiana), [Diptanshu Das](https://labra.weso.es/authors/diptanshu-das), [Daniel Mietchen](https://labra.weso.es/authors/daniel-mietchen), PeerJ Computer Science - 2022 - [Ontolo-CI: Continuous data validation with ShEx](http://labra.weso.es/publication/2022_ontoloci/), [Gustavo Correa Publio](https://labra.weso.es/authors/gustavo-correa-publio), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Guillermo Facundo Colunga](https://labra.weso.es/authors/guillermo-facundo-colunga), [Pablo Menéndez](https://labra.weso.es/authors/pablo-men%C3%A9ndez), In *Semantics Conference*, Semantics. Poster paper, CEUR Proceedings, vol 3235 - 2022 - [Automatic extraction of shapes using sheXer](http://labra.weso.es/publication/2022_shexer/), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Daniel Gayo Avello](https://labra.weso.es/authors/daniel-gayo-avello), Knowledge-Based Systems - 2022 - [Knowledge graphs](http://labra.weso.es/publication/2021_knowledgegraphs_book/), [Aidan Hogan](https://labra.weso.es/authors/aidan-hogan), [Eva Blomqvist](https://labra.weso.es/authors/eva-blomqvist), [Michael Cochez](https://labra.weso.es/authors/michael-cochez), [Claudia d'Amato](https://labra.weso.es/authors/claudia-damato), [Gerard de Melo](https://labra.weso.es/authors/gerard-de-melo), [Claudio Gutiérrez](https://labra.weso.es/authors/claudio-guti%C3%A9rrez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Sabrina Kirrane](https://labra.weso.es/authors/sabrina-kirrane), [Sebastian Neumaier](https://labra.weso.es/authors/sebastian-neumaier), [Axel Polleres](https://labra.weso.es/authors/axel-polleres), [Roberto Navigli](https://labra.weso.es/authors/roberto-navigli), [Axel-Cyrille Ngonga Ngomo](https://labra.weso.es/authors/axel-cyrille-ngonga-ngomo), [Sabbir M. 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2018 - [RDFShape: An RDF playground based on Shapes](http://labra.weso.es/publication/2018_rdfshape_iswcdemo/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Herminio García González](https://labra.weso.es/authors/herminio-garc%C3%ADa-gonz%C3%A1lez), Demo presented at International Semantic Web Conference, Monterey, California - 2018 - [XMLSchema2ShEx: Converting XML validation to RDF validation](http://labra.weso.es/publication/2018_swj_xmlschema2shex/), [Herminio García González](https://labra.weso.es/authors/herminio-garc%C3%ADa-gonz%C3%A1lez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Semantic Web Journal - 2018 - [Semantic Modeling of Administrative Procedures from a Spanish Regional Public Administration](http://labra.weso.es/publication/2018_sustainability/), [Francisco José Hidalgo López](https://labra.weso.es/authors/francisco-jos%C3%A9-hidalgo-l%C3%B3pez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), Sustainability, vol. 10, num. 3, doi: 10.3390/su10030633 - 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2017 - [SHACL Test Suite and Implementation Report](http://labra.weso.es/publication/2017_shacltestsuite/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Holger Knublauch](https://labra.weso.es/authors/holger-knublauch), [Dimitris Kontokostas](https://labra.weso.es/authors/dimitris-kontokostas), W3C Document - 2017 - [Shape Expressions Language 2.0](http://labra.weso.es/publication/2017_shexspec/), [Eric Prud'hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Iovka Boneva](https://labra.weso.es/authors/iovka-boneva), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Gregg Kellogg](https://labra.weso.es/authors/gregg-kellogg), W3C Community Group Report - 2017 - [A Web-Based Tool for Automatic Data Collection, Curation, and Visualization of Complex Healthcare Survey Studies including Social Network Analysis](http://labra.weso.es/publication/2017_computationalmathematicalmethods/), [José Alberto Benítez](https://labra.weso.es/authors/jos%C3%A9-alberto-ben%C3%ADtez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Enedina Quiroga](https://labra.weso.es/authors/enedina-quiroga), [Vicente Martín](https://labra.weso.es/authors/vicente-mart%C3%ADn), [Isaías García](https://labra.weso.es/authors/isa%C3%ADas-garc%C3%ADa), [Pilar Marqués-Sánchez](https://labra.weso.es/authors/pilar-marqu%C3%A9s-s%C3%A1nchez), [Carmen Benavides](https://labra.weso.es/authors/carmen-benavides), Computational and Mathematical Methods in Medicine - 2017 - [Towards the Implementation of the Learning Analytics in the Social Learning Environments for the Technology-Enhanced Assessment in Computer Engineering Education](http://labra.weso.es/publication/2016_towards_learninganalytics/), [Hernan Sagastegui Chigne](https://labra.weso.es/authors/hernan-sagastegui-chigne), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [María Elena Alva Obeso](https://labra.weso.es/authors/mar%C3%ADa-elena-alva-obeso), [Patricia Ordóñez De Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), International Journal of Engineering Education - 2016 - [Enhancing e-Learning content by using Semantic Web technologies](http://labra.weso.es/publication/2016_enhancing_elearningcontent/), [Herminio García González](https://labra.weso.es/authors/herminio-garc%C3%ADa-gonz%C3%A1lez), [María del Puerto Paule](https://labra.weso.es/authors/mar%C3%ADa-del-puerto-paule), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), IEEE Transactions on Learning Technologies - 2016 - [Inference and Serialization of Latent Graph Schemata using ShEx](http://labra.weso.es/publication/2016_inferenceserializationshex/), [Daniel Fernández Álvarez](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-%C3%A1lvarez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Herminio García González](https://labra.weso.es/authors/herminio-garc%C3%ADa-gonz%C3%A1lez), The Tenth International Conference on Advances in Semantic Processing, SEMAPRO16 - 2016 - [Identifying potential suppliers for competitive bidding using Latent Semantic Analysis](http://labra.weso.es/publication/2016_identifyingpotentialsuppliers/), [Victor Aravena Díaz](https://labra.weso.es/authors/victor-aravena-d%C3%ADaz), [Ricardo Gacitua](https://labra.weso.es/authors/ricardo-gacitua), [Hernán Astudillo](https://labra.weso.es/authors/hern%C3%A1n-astudillo), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In [XLII Latin American Computing Conference (CLEI), 2016](http://www.clei2016.cl/) * - 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2014 - [Shape Expressions: An RDF validation and transformation language](http://labra.weso.es/publication/2014_shex/), [Eric Prud'hommeaux](https://labra.weso.es/authors/eric-prudhommeaux), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Harold Solbrig](https://labra.weso.es/authors/harold-solbrig), In [10th International Conference on Semantic Systems](http://2014.semantics.cc/www.semantics.cc/index.html), Leipzig, Germany - 2014 - [New trends on e-Procurement applying semantic technologies](http://labra.weso.es/publication/2014_newtrendseprocurement/), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), Computers in Industry - 2014 - [New trends on e-Procurement applying semantic technologies: current status and future challenges](http://labra.weso.es/publication/2014_newtrendseprocurementstatus/), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), Computers in Industry - 2014 - [ACOTA: A multilingual and Semi-automatic collaborative tagging system](http://labra.weso.es/publication/2014_acota/), [César Luis Alvargonzález](https://labra.weso.es/authors/c%C3%A9sar-luis-alvargonz%C3%A1lez), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), Journal of Web Engineering - 2014 - [Inductive Representations of RDF Graphs](http://labra.weso.es/publication/2013_inductivetriplegraphs/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Johan Jeuring](https://labra.weso.es/authors/johan-jeuring), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), Science of Computer Programming - 2013 - [Towards a Stepwise Method for Unifying and Reconciling Corporate Names in Public Contracts Metadata: The CORFU Technique](http://labra.weso.es/publication/2013_corfutechnique/), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Patricia Ordoñez de Pablos](https://labra.weso.es/authors/patricia-ordo%C3%B1ez-de-pablos), [Michail Vafopoulos](https://labra.weso.es/authors/michail-vafopoulos), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Metadata and Semantics Research - 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Carolina Medina Ramírez](https://labra.weso.es/authors/r.-carolina-medina-ram%C3%ADrez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [S. Masoud Sadjadi](https://labra.weso.es/authors/s.-masoud-sadjadi), IKE’13: The 12th International Conference on Information and Knowledge Engineering, Las Vegas, USA - 2013 - [Cases on Open-Linked Data and Semantic Web Applications](http://labra.weso.es/publication/2013_caseslinkedopendata/), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), [Miltiadis D. Lytras](https://labra.weso.es/authors/miltiadis-d.-lytras), [Robert D. Tennyson](https://labra.weso.es/authors/robert-d.-tennyson), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), IGI Global, ISBN: 978-1466628274 - 2013 - [E-Procurement Management for Successful Electronic Government Systems](http://labra.weso.es/publication/2013_eprocurementmanagement/), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Robert D. Tennyson](https://labra.weso.es/authors/robert-d.-tennyson), IGI Global, ISBN: 9781466621190 - 2013 - [Applying MapReduce to Spreading Activation Algorithm on Large RDF Graphs](http://labra.weso.es/publication/2013_mapreducespreadingactivation/), [Jorge González Lorenzo](https://labra.weso.es/authors/jorge-gonz%C3%A1lez-lorenzo), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Jose María Alvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-alvarez-rodr%C3%ADguez), Communications in Computer and Information Science, vol 278, pp. 601-611 - 2013 - [Automated Diagnosis through Ontologies and Logical Descriptions: The ADONIS Approach](http://labra.weso.es/publication/2013_adonisbookchapter/), [Alejandro Rodríguez González](https://labra.weso.es/authors/alejandro-rodr%C3%ADguez-gonz%C3%A1lez), [Ángel García Crespo](https://labra.weso.es/authors/%C3%A1ngel-garc%C3%ADa-crespo), [Ricardo Colomo Palacios](https://labra.weso.es/authors/ricardo-colomo-palacios), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Juan Miguel Gómez Berbis](https://labra.weso.es/authors/juan-miguel-g%C3%B3mez-berbis), [Giner Alor Hernández](https://labra.weso.es/authors/giner-alor-hern%C3%A1ndez), Engineering Effective Decision Support Technologies: New Models and Applications - 2013 - [ONTOSPREAD: A Framework for Supporting the Activation of Concepts in Graph-Based Structures through the Spreading Activation Technique](http://labra.weso.es/publication/2013_ontospreadframework/), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), Communications in Computer and Information Science, vol 278, pp. 454-459 - 2013 - [Towards a Practical Solution for Data Grounding in a Semantic Web Services Environment](http://labra.weso.es/publication/2012_datagrounding/), [Miguel García Rodríguez](https://labra.weso.es/authors/miguel-garc%C3%ADa-rodr%C3%ADguez), [Jose María Alvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-alvarez-rodr%C3%ADguez), [Diego Berrueta Muñoz](https://labra.weso.es/authors/diego-berrueta-mu%C3%B1oz), [Luis Polo Paredes](https://labra.weso.es/authors/luis-polo-paredes), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordoñez De Pablos](https://labra.weso.es/authors/patricia-ordo%C3%B1ez-de-pablos), Journal of Universal Computer Science - 2012 - [Web Semántica: comprendiendo el cambio hacia la Web 3.0](http://labra.weso.es/publication/2012_websemantica/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Pocket Innova - 2012 - [The effects of ERP implementations on the profitability of big firms: the case of Spain](http://labra.weso.es/publication/2012_effectserp/), [Javier de Andrés](https://labra.weso.es/authors/javier-de-andr%C3%A9s), [Pedro Lorca](https://labra.weso.es/authors/pedro-lorca), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), International Journal on Technology Management, vol. 59, number 1 / 2, 2012 - 2012 - [Towards a Pan-European E-Procurement platform to Aggregate, Publish and Search Public Procurement Notices powered by Linked Open Data: The MOLDEAS Approach](http://labra.weso.es/publication/2012_paneuropeaneprocurement/), [Jose María Álvarez Rodríguez](https://labra.weso.es/authors/jose-mar%C3%ADa-%C3%A1lvarez-rodr%C3%ADguez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Francisco Cifuentes](https://labra.weso.es/authors/francisco-cifuentes), [Giner Hérnandez](https://labra.weso.es/authors/giner-h%C3%A9rnandez), [C. Sánchez](https://labra.weso.es/authors/c.-s%C3%A1nchez), [J. A. Guzmán Luna](https://labra.weso.es/authors/j.-a.-guzm%C3%A1n-luna), International Journal of Software Engineering and Knowledge Engineering (IJSEKE ) Spceial Issue on Consuming and Producing Linked Data on Real World Applications, vol 22, num. 3, 2012 - 2012 - [Towards an architecture and adoption process for Linked Data technologies in Open Government contexts](http://labra.weso.es/publication/2011_linkeddatalibrarycongress/), [Francisco Cifuentes Silva](https://labra.weso.es/authors/francisco-cifuentes-silva), [Christian Sifaqui](https://labra.weso.es/authors/christian-sifaqui), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *I-Semantics* - 2011 - [SeDeLo: Using Semantics and Description Logics to Support Aided Clinical Diagnosis](http://labra.weso.es/publication/2011_sedelo/), [Alejandro Rodríguez García](https://labra.weso.es/authors/alejandro-rodr%C3%ADguez-garc%C3%ADa), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Ricardo Colomo Palacio](https://labra.weso.es/authors/ricardo-colomo-palacio), [Miguel A. Mayer](https://labra.weso.es/authors/miguel-a.-mayer), [Juan Manual Gómez Berbis](https://labra.weso.es/authors/juan-manual-g%C3%B3mez-berbis), [Angel García Crespo](https://labra.weso.es/authors/angel-garc%C3%ADa-crespo), Journal of Medical Systems, vol. 36, number 4, pp: 2471-2481 - 2011 - [Towards the evaluation of usability in educative websites](http://labra.weso.es/publication/2010_towardsevaluationusability/), [María Elena Alba Obeso](https://labra.weso.es/authors/mar%C3%ADa-elena-alba-obeso), [Ana Belén Martínez Prieto](https://labra.weso.es/authors/ana-bel%C3%A9n-mart%C3%ADnez-prieto), [María del Carmen Suárez Torrente](https://labra.weso.es/authors/mar%C3%ADa-del-carmen-su%C3%A1rez-torrente), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), [Hernán Sagastegui Chigne](https://labra.weso.es/authors/hern%C3%A1n-sagastegui-chigne), International Journal on Technology Enhanced Learning, vol. 2 - 2010 - [WESONet: Applying semantic web technologies and collaborative tagging to multimedia web information systems](http://labra.weso.es/publication/2009_wesonet/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), Computers in Human Behaviour, vol 26, pp: 205-209, 2010 - 2009 - [A proposal for a Semantic Intelligent Document Repository Architecture](http://labra.weso.es/publication/2009_sidra-cerma/), [Alejandro Rodríguez](https://labra.weso.es/authors/alejandro-rodr%C3%ADguez), [Ricardo Colomo](https://labra.weso.es/authors/ricardo-colomo), [Juan Miguel Gómez](https://labra.weso.es/authors/juan-miguel-g%C3%B3mez), [Giner Alor-Hernandez](https://labra.weso.es/authors/giner-alor-hernandez), [Ruben Posada-Gomez](https://labra.weso.es/authors/ruben-posada-gomez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Krishnamurthy Vidyasankar](https://labra.weso.es/authors/krishnamurthy-vidyasankar), In *Electronics, Robotics and Automotive Mechanics Conference* (CERMA 2009) - 2009 - [Ontologies in Checking for Inconsistency of Requirements Specification](http://labra.weso.es/publication/2009_ontologiesrequirementspecifications/), [Petr Kroha](https://labra.weso.es/authors/petr-kroha), [R. Janetzko](https://labra.weso.es/authors/r.-janetzko), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *Third International Conference on Advances in Semantic Processing* SEMAPRO, 09 - 2009 - [Automated Diagnosis through Ontologies and Logical Descriptions: The ADONIS Approach](http://labra.weso.es/publication/2011_adonis/), [Alejandro Rodríguez González](https://labra.weso.es/authors/alejandro-rodr%C3%ADguez-gonz%C3%A1lez), [Ángel García Crespo](https://labra.weso.es/authors/%C3%A1ngel-garc%C3%ADa-crespo), [Ricardo Colomo Palacios](https://labra.weso.es/authors/ricardo-colomo-palacios), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Juan Miguel Gómez Berbis](https://labra.weso.es/authors/juan-miguel-g%C3%B3mez-berbis), [Giner Alor Hernández](https://labra.weso.es/authors/giner-alor-hern%C3%A1ndez), International Journal of Decision Support System Technology - 2009 - [Doing Business by selling free services](http://labra.weso.es/publication/2009_doingbusinesssellingfreeservices/), [Jose Luis Marín de la Iglesia](https://labra.weso.es/authors/jose-luis-mar%C3%ADn-de-la-iglesia), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Web 2.0 Business Models - 2009 - [SOAF: Semantic Indexing System Based on Collaborative Tagging](http://labra.weso.es/publication/2008_semanticindexingcollaborativetagging/), [Ana Cernea Doina](https://labra.weso.es/authors/ana-cernea-doina), [Ester del Moral](https://labra.weso.es/authors/ester-del-moral), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In [Interdisciplinary Journal of E-Learning and Learning Objects](https://www.learntechlib.org/j/IJELLO), vol 4(1) - 2008 - [Analysis of XBRL documents representing financial statements using Semantic Web Technologies](http://labra.weso.es/publication/2007_analysisxbrl/), [Sheila Méndez Núñez](https://labra.weso.es/authors/sheila-m%C3%A9ndez-n%C3%BA%C3%B1ez), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Javier de Andrés Suárez](https://labra.weso.es/authors/javier-de-andr%C3%A9s-su%C3%A1rez), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), In [2nd International Conference on Metadata and Semantic Web Research](http://www.mtsr.ionio.gr/) - 2007 - [Combining Collaborative Tagging and Ontologies in Image Retrieval Systems](http://labra.weso.es/publication/2007_combiningcollaborativetaggingimageretrieval/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Patricia Ordóñez de Pablos](https://labra.weso.es/authors/patricia-ord%C3%B3%C3%B1ez-de-pablos), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), In [2nd International Conference on Metadata and Semantic Web Research](http://www.mtsr.ionio.gr/) - 2007 - [Mailing lists meet the semantic web](http://labra.weso.es/publication/2007_mailinglistssemanticweb/), [Sergio Fernández](https://labra.weso.es/authors/sergio-fern%C3%A1ndez), [Diego Berrueta](https://labra.weso.es/authors/diego-berrueta), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In *Workshop on Social Aspects of the Semantic Web (SAW 2007)*, Poznan, Poland - 2007 - [Utilización de herramientas colaborativas de desarrollo de software libre en un modelo de aprendizaje basado en proyectos](http://labra.weso.es/publication/2006_herramientascolaborativas/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Daniel Fernández Lanvin](https://labra.weso.es/authors/daniel-fern%C3%A1ndez-lanvin), [Jesús Calvo Salvador](https://labra.weso.es/authors/jes%C3%BAs-calvo-salvador), [Agustín Cernuda del Río](https://labra.weso.es/authors/agust%C3%ADn-cernuda-del-r%C3%ADo), XII Jornadas de Enseñanza Universitaria de Informática (Jenui 2006), Bilbao, Spain - 2006 - [A monadic program slicer](http://labra.weso.es/publication/2006_monadicprogramslicer/), [Yingzhou Zhang](https://labra.weso.es/authors/yingzhou-zhang), [[Jose Emilio Labra Gayo](http://di.uniovi.es/~labra)](https://labra.weso.es/authors/jose-emilio-labra-gayohttp//di.uniovi.es/~labra), [Agustín Cernuda del Río](https://labra.weso.es/authors/agust%C3%ADn-cernuda-del-r%C3%ADo), ACM SIGPLAN Notices, 41 (5), pp. 30-38 - 2006 - [A Formal Method for program Slicing](http://labra.weso.es/publication/2005_formalmethodprogramslicing/), [Yingzhou Zhang](https://labra.weso.es/authors/yingzhou-zhang), [Baowen Xu](https://labra.weso.es/authors/baowen-xu), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), In [Australian Software Engineering Conference, ASWEC 2005](http://aswec2005.itee.uq.edu.au/home.php) - 2005 - [Representaciones gráficas y Mundos Virtuales infinitos en las Prácticas de Programación Lógica y Funcional](http://labra.weso.es/publication/2003_graphicalrepresentationslogicfunctionalprogrammingjenui/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [IX Jornadas de Enseñanza Universitaria de Informática (Jenui 2003)](http://neptuno.uca.es/jenui2003/), Cádiz, Spain - 2004 - [¿Hay Lógica en la situación actual de las titulaciones informáticas?](http://labra.weso.es/publication/2004_logicaspainjenui/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [X Jornadas de Enseñanza Universitaria de Informática (Jenui 2004)](http://www.eps.ua.es/jenui/), Almería, Spain - 2004 - [Web Engineering](http://labra.weso.es/publication/2003_webengineering/), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), [Bernardo Martín González Rodríguez](https://labra.weso.es/authors/bernardo-mart%C3%ADn-gonz%C3%A1lez-rodr%C3%ADguez), [Luis Joyanes Aguilar](https://labra.weso.es/authors/luis-joyanes-aguilar), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [María del Puerto Paule](https://labra.weso.es/authors/mar%C3%ADa-del-puerto-paule), Proceedings of the [International Conference on Web Engineering](http://www.icwe2003.org/), ICWE 2003, Oviedo, Spain, July 14-18, Lecture Notes in Computer Science, Vol. 2722 - 2003 - [A Generic e-Learning Multiparadigm Programming Language System: IDEFIX Project](http://labra.weso.es/publication/2002_agenericelearningmultiparadigm_idefixsigcse/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Jose Manuel Morales Gil](https://labra.weso.es/authors/jose-manuel-morales-gil), [Alberto Manuel Fernández Álvarez](https://labra.weso.es/authors/alberto-manuel-fern%C3%A1ndez-%C3%A1lvarez), [Hernán Sagastegui Chigne](https://labra.weso.es/authors/hern%C3%A1n-sagastegui-chigne), In [ACM Technical Symposium on Computer Science Education](http://www.csis.gvsu.edu/sigcse2003/) (SIGCSE 2003), Reno, Nevada (USA) - 2003 - [Specification of Logic Programming Languages from Reusable Semantic Building Blocks](http://labra.weso.es/publication/2003_specificationlogicprogramminglanguages/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [María C. Luengo Díaz](https://labra.weso.es/authors/mar%C3%ADa-c.-luengo-d%C3%ADaz), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), [Agustín Cernuda del Río](https://labra.weso.es/authors/agust%C3%ADn-cernuda-del-r%C3%ADo), Electronic Notes on Theoretical Computer Science, vol. 64 - 2003 - [Plataforma de enseñanza de lenguajes de programación a través de Internet: Proyecto IDEFIX](http://labra.weso.es/publication/2002_plataformaensenianzalenguajesprogramacion_idefix/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Jose Manuel Morales Gil](https://labra.weso.es/authors/jose-manuel-morales-gil), [Roberto Turrado Camblor](https://labra.weso.es/authors/roberto-turrado-camblor), In *VIII Jornadas de Enseñanza Universitaria de Informática*, Cáceres, Spain - 2002 - [Modular development of Language Processors from Reusable Semantic Specifications](http://labra.weso.es/publication/2001_phdthesis/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), PhD thesis (in Spanish) - 2001 - [Programación Práctica en Prolog](http://labra.weso.es/publication/1998_progpracticaprolog/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Ed. Servitec, Num. 13, ISBN: 84-8416-612-0 - 1998 - [Ejercicios de lógica informática](http://labra.weso.es/publication/1998_ejercicioslogica/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Ana I. Fernández](https://labra.weso.es/authors/ana-i.-fern%C3%A1ndez), Ed. Servitec, Num. 9, ISBN: 84-8416-357-1 - 1998 - [Lógica proposicional para informática](http://labra.weso.es/publication/1998_propositionallogic/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Ana I. Fernández](https://labra.weso.es/authors/ana-i.-fern%C3%A1ndez), Ed. Servitec, Num. 12, ISBN: 84-8416-613-9 - 1998 - [An Implementation of Modular Monadic Semantics using Folds and Monadic Folds](http://labra.weso.es/publication/1998_mms_usingfoldsmonadicfolds/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Workshop on Research Themes on Functional Programming, Third International Summer School on Advanced Functional Programming - 1998 - [Harmony: a functional system for musical composition](http://labra.weso.es/publication/1997_harmony/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Juan Manuel Cueva Lovelle](https://labra.weso.es/authors/juan-manuel-cueva-lovelle), [Luis Ángel Oliveira](https://labra.weso.es/authors/luis-%C3%A1ngel-oliveira), In *II Conferencia Latinoamericana de Programación Funcional* - 1997 - [Introducción al lenguaje Haskell](http://labra.weso.es/publication/1995_introhaskell/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Cuaderno didáctico, Número 87, Depto. Matemáticas - 1995 - [Lógica de predicados de primer orden](http://labra.weso.es/publication/1993_logica/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), Cuaderno didáctico, Número 77, Depto. Matemáticas - 1993 - [Simulación Entorno Operativo Unix](http://labra.weso.es/publication/1991_simulacionunix/), [Jose Emilio Labra Gayo](https://labra.weso.es/authors/jose-emilio-labra-gayo), [Oliverio González](https://labra.weso.es/authors/oliverio-gonz%C3%A1lez), [Miguel Riesco Albizu](https://labra.weso.es/authors/miguel-riesco-albizu), Cuaderno didáctico, Número 39, Depto. Matemáticas - 1991 ## Recent & Upcoming Talks [More Talks](https://labra.weso.es/talk/) - [Shaping Knowledge and Interoperable Graphs](http://labra.weso.es/talk/2026_shaping_knowledge_interoperable_graphs_poland/) Mon, 20 Apr, 2026, Invited talk at Faculty of Mathematics, Informatics and Mechanics, University of Warsaw, Poland - [Shaping Knowledge and Interoperable Graphs](http://labra.weso.es/talk/2025_iswc_2025/) Sun, 2 Nov, 2025, Tutorial at ISWC’25 - [Shaping Linked Data and Knowledge Graphs](http://labra.weso.es/talk/2025_dcmi_2025/) Sat, 25 Oct, 2025, Tutorial at DCMI-25 Conference - [Workshop on Data Validation](http://labra.weso.es/talk/2025_raildataforum/) Thu, 12 Jun, 2025, Workshop at Rail Data Forum - [Shaping Knowledge Graphs](http://labra.weso.es/talk/2025_eswc_2025/) Wed, 11 Jun, 2025, Tutorial at ESWC’25 - [Validating Knowledge Graphs](http://labra.weso.es/talk/2024_validating_kgs_laplata/) Wed, 11 Dec, 2024, Charla invitada en LIFIA, Universidad de La Plata - [Validating Knowledge Graphs](http://labra.weso.es/talk/2024_validating_kgs/) Tue, 19 Nov, 2024, Charla invitada en Máster Oficial de Ingeniería del Software e Inteligencia Artificial - [Shaping Knowledge Graphs](http://labra.weso.es/talk/2024_shaping_kgs_iswc/) Mon, 11 Nov, 2024, Tutorial at International Semantic Web Conference - [Let's dive into EntitySchemas](http://labra.weso.es/talk/2023_datamodelingdays/) Thu, 30 Nov, 2023, Wikidata Data Modeling Days - [Knowledge graphs: description, validation and subsetting](http://labra.weso.es/talk/2023_dresden/) Thu, 5 Oct, 2023, Invited talk at International Center for Computational Logic at Dresden ## Other info ## Supervised PhD students - [Francisco Cifuentes Silva](http://www.fcifuentes.cl/): Tecnologías Semánticas en el ámbito político-legislativo, October, 2025 - [Daniel Fernández Álvarez](http://danifdez.weso.es/): Extracción de conocimiento semántico estructurado mediante minería de medios sociales, Sept, 2022 - [Herminio García González](http://herminiogarcia.com/): Integración semántica de grandes fuentes de datos heterogéneas, 2021 - [Jose Alberto Benítez Andrades](http://www.jabenitez.com/): Tecnologías Semánticas aplicadas al Análisis de Redes Sociales en el ámbito de la Salud, 2017 - [Hernán Sagastegui Chigne](https://www.linkedin.com/in/hernan-sagastegui-chigne-48264025/): Desarrollo de Tecnologías Colaborativas para Entornos virtuales de apoyo al aprendizaje, 2015 - [Jose María Álvarez Rodríguez](http://www.josemalvarez.es/): Métodos semánticos de reutilización de datos abiertos enlazados en las licitaciones públicas, 2012 ## PhD Students supervision (Current) - Hugo Lebredo Buján: Aplicación de grafos de conocimiento en la interoperabilidad de datos descentralizados de ámbito privado - Claudio Andrés Navarro Cruces: Semantic Technologies Applied to Cyber-Physical Systems Modelling - Ángel García Menéndez - Enrique José Rodríguez Martín - Jorge Álvarez Fidalgo - Pablo Valdés Fernández ## PhD Thesis Committees - [Ammar Ammar](https://www.linkedin.com/in/ammar-ammar/): July, 2025, Maastricht, Enhancing the interoperability and reusability of nanosafety data: a foundation towards deeper insights and intelligent applications - [Ben De Meester](https://work.de-meester.org/), [IDLab, University of Ghent, Belgium](https://www.ugent.be/ea/idlab/en/), May 2020, title: Improving and Assessing Data Quality of Knowledge Graphs. - [Mikko Koho](https://www.linkedin.com/in/mikko-koho/), [School of Science in Aalto University](http://cs.aalto.fi/), April 2020, title: Representing, Using, and Maintaining Military Historical Linked Data on the Semantic Web. - [Andrii Berezovskyi](https://www.kth.se/profile/andriib?l=en), [KTH](https://www.kth.se/en), Jan 2020, title: A generic framework for integration of Cyber-physical Systems by use of intelligent systems (Midterm PhD Examination) ## Member of Scientific/Organizing committee - [International Semantic Web Conference, 2020](https://iswc2020.semanticweb.org/) - [Joint International Conference on Knowledge Graphs 2020](https://language-semantic.org/jist-kg-2020/) - [DaMaLOS-2020: First workshop on Research data* management for linked open science (* and associated Research Objects)](https://zbmed.github.io/damalos/) - [3rd Workshop on Quality of Open Data](https://bisconf.org/2020/qod/) - [2nd Iberoamerican Knowledge Graph and Semantic Web Conference](http://www.kgswc.org/) - [International Semantic Web Conference, 2019](https://iswc2019.semanticweb.org/) - [24th European Conference on Artificial Intelligence](http://ecai2020.eu/) - [International Semantic Web Conference - ISWC 2019](http://iswc2019.semanticweb.org/) - [8th Workshop on Ontology Design and Patterns](http://ontologydesignpatterns.org/wiki/WOP:2017#WOP2017_Chairs), WOP, 2017 - [Workshop on Linked Enterprise Data Services, Provenance, Linking and QualitY](https://informatik2017.de/ws29-ledsplay17/), LEDSPLaY17, 2017 - [Linked Data Quality Workshop](http://ldq.semanticmultimedia.org/), 2017 - [ISW-LOD2016](http://ciep.ing.uaslp.mx/sw-lod/) (4th International Workshop on Semantic Web and Linked Open Data), Puerto Rico, 2016 - [SEMANTiCS 2016](https://2016.semantics.cc/), Senior PC member - [Latin American Symposium on Data Management Systems](http://www.clei2016.cl/Sim7.html), Co-chair - [W3c workshop on Multilingual web](https://www.multilingualweb.eu/documents/2015-riga-workshop/2015-riga-cfp), 2015 - [SEMANTiCS 2015](https://2015.semantics.cc/) Research Track (11th International Conference on Semantic Systems, Research Track), Senior PC member - [ReCert 2015 (1st International Workshop on Linked Data Repair and Certification)](http://recert-ld.github.io/2015/), 2015 - [International Conference on Knowledge Engineering and Semantic Web](http://2014.kesw.ru/), 2014 - 16th International Simposium on Computers in Education, 2014 - [Workshop on Ontology and Semantic Web Patterns](http://ontologydesignpatterns.org/wiki/WOP:2016), WOP, 2014, 2015, 2016, 2017 - [Spanish conference on service science and engineering](https://labra.weso.es/www.congresocedi.es/es/jcis), 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 - [Encuentro Nacional en Ciencias de la Computación](http://enc2014.cicese.mx/index.html), Mexico, 2014 - Jornadas de Enseñanza Universitaria de Informática, Jenui, 2014, 2015, 2016, [2017](http://jenui2017.unex.es/) - 12th International Semantic Web Conference - Evaluation Track, 2012 - 9th Extended Semantic Web Conference, 2012 - Metadata and Semantics Research Conference, MTSR, 2012 - Social Data and Semantic Web, Workshop of the 10th International Conference on Semantic Web - Workshop on LInked Data en Conferencia Española de la Asociación para La Inteligencia Artificial (CAEPIA, 2011) - Workshop on Software Engineering and eLearning (ISELEAR), 2010, 2011 - Brazilian Symposium on Programming Languages (SBLP), 2003, 2004, 2005, 2006, 2007, 2008, 2009 - Jornadas sobre Programación y Lenguajes (PROLE), 2008 - International Conference on Web Engineering, ICWE, 2003, 2004, 2006 - Fourth International Workshop on Language, Descriptions, Tools and Applications, 2004 ## Reviewer of papers in the following journals - [Computer Standards and Interfaces](https://www.journals.elsevier.com/computer-standards-and-interfaces), Reviewer, 2017 - [Bioinformatics](https://academic.oup.com/bioinformatics), 2015 - [Computers and Human Behaviour](https://www.journals.elsevier.com/computers-in-human-behavior), Reviewer, 2013-2016 - [Computers in Industry](https://www.journals.elsevier.com/computers-in-industry), Reviewer and Special issue editor, 2014 - [Telematics and Informatics](https://www.journals.elsevier.com/telematics-and-informatics), Reviewer, 2016, 2017 - [Expert Systems with Applications](https://www.journals.elsevier.com/expert-systems-with-applications), Reviewer, 2017 - [Engineering Applications of Artificial Intelligence](https://www.journals.elsevier.com/engineering-applications-of-artificial-intelligence/), reviewer, 2016 - [Information Sciences](https://www.journals.elsevier.com/information-sciences/), reviewer, 2014 - [International Journal of Universal Computer Science](http://www.jucs.org/), reviewer, 2013 - [Science of Computer Programming](https://www.journals.elsevier.com/science-of-computer-programming/), reviewer, 2013 - [Semantic Web Journal](http://www.semantic-web-journal.net/), reviewer, 2013 - [Web Semantics: Science, Services and Agents on the World Wide Web](http://www.sciencedirect.com/science/journal/15708268), reviewer, 2013 ## Advisory board of the following publications - [Global Hospitality and Tourism Management Technologies: Applications and Issues](https://www.igi-global.com/book/global-hospitality-tourism-management-technologies/51923), Editors: Patricia Ordóñez de Pablos, R. Tennyson, and J-Y. Zhao, 2011, IGI-Global. Pp. 1-270 ISBN DOI: 10.4018 ⁄ 978 -1-61350-041-5, ISBN13: 978-1-61350-041-5, ISBN10: 1-61350-041-6 - [Semantic Web Personalization and Context Awareness: Management of Personal Identities and Social Networking](https://www.igi-global.com/book/semantic-web-personalization-context-awareness/47405), Editors: Lytras, M.D., Ordóñez de Pablos, P. and Damiani, E., IGI-Global, pp.1-232, 2011, DOI: 10.4018 ⁄ 978 -1-61520-921-7, ISBN13: 9781615209217, ISBN10: 1615209212, EISBN13: 9781615209224. - [Digital Culture and E-Tourism: Technologies, Applications and Management Approaches](https://www.igi-global.com/book/digital-culture-tourism/45944), Editors: Lytras, M.D., Ordóñez de Pablos, P., Damiani, E. and Diaz, L. (2011), Editorial IGI-Global. Pp. 1-270. ISBN 9781615208678. - [Technology Enhanced Learning for People with Disabilities: Approaches and Applications](https://www.igi-global.com/book/technology-enhanced-learning-people-disabilities/41739), Editors: Ordóñez de Pablos, P., Zhao, Y. and Tennyson, R., 2010, Editorial IGI-Global, pp- 1-276. ISBN-10: 1615209239 -ISBN-13: 978-1615209231. DOI: 10.4018 ⁄ 978 -1-61520-923-1 ## More personal information I was the drummer of [Kactus Jack](https://es.wikipedia.org/wiki/Kactus_Jack). You can see the original [unofficial home page](https://labra.weso.es/Kactus/Welcome.html), vintage style. I was also the drummer of [Los Murciélagos](http://no80s-gruposnacionales.blogspot.com.es/2009/01/los-murcielagos.html) and *Los Aborígenes*. I think I wrote my first Web Page in 1994. I found 2 versions of my home page from: - [2003](https://web.archive.org/web/20031029101917/http://www.di.uniovi.es/~labra/) (I found funny the Hobbies section…) - [2013](https://web.archive.org/web/20130616144520/http://di002.edv.uniovi.es/~labra/) ## Recent Posts [More Posts](https://labra.weso.es/post/) Comentario sobre el libro *El arte de la tesis doctoral* Comentario sobre el libro *Datanomics* Comentario sobre el libro *Científico en España* Comentario sobre el libro *El Arte y la Ciencia de no hacer nada* de Andrew J. Smart Description of my new home page ## Projects - [Shapes-rs](https://www.weso.es/shapes-rs/) RDF data shapes implementation in Rust - [WShEx](https://www.weso.es/WShEx/) Wikibase varaint of ShEx - [rdfshape](https://rdfshape.weso.es/) RDF playground - VARSSHA Validating RDF Streams using Shapes - [SHACLex](http://labra.github.io/shaclex/) SHACL & ShEx implementation in Scala - [ShExkell](https://github.com/weso/shexkell/) A preliminary implementation of ShEx in Haskell - Language Prototyping System This project was part of my PhD thesis where the main goal was to implement a system that could create programming languages by combining different semantic blocks. It was based on the use of monads and I was happy to build functional, imparative, logic and object oriented programming languages by combining those building blocks. The implementation was developed in Haskell. - [Multilingual Linked Data Patterns](http://www.weso.es/MLODPatterns) Multilingual Linked Data Patterns ## Teaching I teach the following courses: - [Software architecture](https://arquisoft.github.io/) - [Bachelor of Software Engineering](http://ingenieriainformatica.uniovi.es/web/ingenieriainformatica/infoacademica/grado), [University of Oviedo](http://uniovi.es/), Spain. This course is taught in Spanish and English. - [Semantic Web](http://www.weso.es/websem/) - [Master in Web Engineering](http://miw.uniovi.es/), [University of Oviedo](http://uniovi.es/), Spain - [Advances in Semantic Web](http://www.weso.es/websem/) - [Master in Web Engineering](http://miw.uniovi.es/), [University of Oviedo](http://uniovi.es/), Spain - Web systems and applications - [Master in Information Technology](http://mti.cl/), [Technical University Federico Santa María](http://utfsm.cl/), Chile I also taught the courses: - Languages and Web standards - [Master in Web Engineering](http://miw.uniovi.es/), [University of Oviedo](http://uniovi.es/), Spain - Object Oriented Programming - [Master in Web Engineering](http://miw.uniovi.es/), [University of Oviedo](http://uniovi.es/), Spain - Web services - [Master in Web Engineering](http://miw.uniovi.es/), [University of Oviedo](http://uniovi.es/), Spain - [Logic](http://di002.edv.uniovi.es/~labra/Logica/Logica.html) - Bachelor of Computer Science, [University of Oviedo](http://uniovi.es/) - [Declarative Programming](http://www.di.uniovi.es/~labra/PDec) - Bachelor of Computer Science, [University of Oviedo](http://uniovi.es/) - Language Processors - [EPIG](http://www.epig.uniovi.es/)