Diego Berrueta: Research

Research

I work as a researcher at the CTIC Foundation (Spain), where I head the Semantic Web area of the R&D Department. I’m also writing my PhD dissertation at the University of Oviedo.

In these pages you’ll find a list of my publications, as well as my current and past research projects. I also participate in some working groups.

Reviewer

I’ve been a reviewer or a member of the Program Committee for these events:

First International Workshop on Semantic Applied Technologies on Biomedical Informatics (SATBI 2011). Chicago, USA, Aug 2011.
9th International Semantic Web Conference (ISWC 2010), posters and demos. Shanghai, China, Nov 2010.
3rd international workshop Social Data on the Web (SDoW2010). Shanghai, China, 8 Nov 2010.
Workshop on Personal Semantic Data on the Desktop and on the Web. Lisbon, Portugal, Oct 2010.
2nd International Workshop on Social Data on the Web (SDoW2009). Washington DC, USA, Oct 2009.
Conferencia Ibero-Americana IADIS WWW/Internet 2009. Madrid, Spain, Oct 2009.
1st International Enterprise X.0 Workshop: From Web 2.0 in Enterprises towards a Corporate Web X.0. Poznan (Poland), Apr 2009.
PICKME2008 (Personal Identification and Collaborations: Knowledge Mediation and Extraction). Karlsruhe, Germany, Oct 2008.
SDoW2008 (Social Data on the Web workshop). Karlsruhe, Germany, Oct 2008.
FEWS (Finding Experts on the Web with Semantics) workshop. Busan, Korea, Nov 2007.
Jornadas de Software Libre en Asturias. Asturias, 2001-2006.

As part of my activity as a participant in W3C working groups, I’ve made formal reviews of these documents (links are provided to up-to-date versions of the documents, not to the earlier versions I reviewed):

RDFa in XHTML: Syntax and Processing, W3C Editor’s Draft
RDFa Primer: Bridging the Human and Data Webs, W3C Editor’s Draft
Gleaning Resource Descriptions from Dialects of Languages (GRDDL), W3C Recommendation.
Principles of Good Practice for Managing RDF Vocabularies and OWL Ontologies, W3C Editor’s draft.

XSLT+SPARQL

XSLT+SPARQL is a set of extension functions for XSLT, the XML transformation language. These functions can execute SPARQL queries against RDF datasets, and the results can be accessed using XPath. In this way, it is possible to write XSLT transformations which access data that is expressed in RDF, regardless of its serialization (RDF/XML, N3...). Some functions can execute queries against remote SPARQL endpoints.

Source code and examples: xslt-sparql-1.0.1-project.zip (12/Apr/2008)
Binaries: no binary release is available. However, it is easy to compile the sources, read below.
Documentation: source release contains examples and JavaDoc comments. A gentle introduction to XSLT+SPARQL can be found in XSLT+SPARQL: Scripting the Semantic Web with SPARQL embedded into XSLT stylesheets.

Compiling the sources

You'll need Maven and a Java compiler. Maven will take care of all the dependencies. Just unpack the sources and run the following command at the top-level directory (the one that contains pom.xml):

$ mvn compile

Running a transformation

The trickiest part of running a transformation using XSLT+SPARQL is to correctly set-up the Java classpath. A shell script (for UNIX systems) is included in the distribution to help the user to set-up the classpath. However, the user must set the value for the $M2_REPO to point to the Maven local repository (i.e.: the directory where Maven stores the dependency JARs). In UNIX systems, this is usually $HOME/.m2/repository.

To run an example, execute the following command from the top-level directory:

$ ./xslt-sparql.sh examples/dbpedia-actors.xsl examples/dbpedia-actors.xsl

The first parameter is the path to the XSLT stylesheet. The second parameter is the path to the XML input file (required). Note that some stylesheets ignore the XML input file, but anyway a XML input file must be provided. In such case, you can provide the path to any valid XML file, for instance, the stylesheet file, as in the example above.

The pure-XSLT implementation

Besides the Java implementation of XSLT+SPARQL, a partial implementation in pure XSLT is also provided. Actually, only two functions are available in the pure-XSLT implementation: sparql:sparqlEndpoint and sparql:commonPrefixes. Please read the documentation to learn more about the limitations of the pure-XSLT implementation.

This implementation comprises just one file, examples/pure-xslt-impl.xsl. A demo is also available, and can be run with a XSLT 2.0 processor, such as Saxon9. Use the following command in the examples directory:

$ java -jar /path/to/saxon9.jar test-pure-xslt-impl.xsl test-pure-xslt-impl.xsl

Updates

The book Linking Enterprise Data (David Wood, ed.) cites XSLT+SPARQL (pp. 233).

Projects and working groups

These are some of the research projects I'm involved in:

MyMobileWeb
WESO at University of Oviedo
Some of the projects of the Semantic Web area at CTIC Foundation

I'm also involved in some working groups:

Semantic Web Deployment at W3C
Evolución de la web at INES

PhD research

I'm writing my PhD dissertation. My thesis topic involves some semantic web technologies.

Publications

2012

Towards a Practical Solution for Data Grounding in a Semantic Web Services Environment

García, M.; Álvarez, J.M.; Berrueta, D.; Polo, L.; Labra, J.E.; Ordoñez, P.

In Journal of Universal Computer Science, vol. 18, number 11, Jun 2012, pp. 1576-1597.

TELIX: An RDF-based Model for Linguistic Annotation

Rubiera, E., Polo, L., Berrueta, D., El Ghali, A.

Proceedings of Extended Semantic Web Conference (ESWC'12). Heraklion (Greece), May 2012.

Assembling Rule Mashups in the Semantic Web

González-Moriyón, G., Polo, L., Berrueta, D., Tejo-Alonso, C., Iglesias, M.

Proceedings of Extended Semantic Web Conference (ESWC'12), In-Use and Industrial Track. Heraklion (Greece), May 2012.

Current practices and perspectives for metadata on web ontologies and rules

Tejo-Alonso, C.; Berrueta, D.; Polo, L.; Fernández, S.

International Journal of Metadata, Semantics and Ontologies, Miguel-Angel Sicilia (ed.). Vol 7, No. 2, 2012, pp. 93--100. DOI: 10.1504/IJMSO.2012.050016. ISSN 1744-263X.

2011

From UAProf towards a Universal Device Description Repository

Quiroga, J., Rodríguez, J., Berrueta, D., Gutiérrez, N., Marín, I. and Campos, A.

Proceedings of 3rd International Conference on Mobile Computing, Applications, and Services. Los Angeles (USA), October 2011.

Metadata for web ontologies and rules: current practices and perspectives

Tejo-Alonso, C., Berrueta, D., Polo, L. and Fernández, S.

Proceedings of Fifth Metadata and Semantics Research Conference. Izmir (Turkey), October 2011.

GEEK: Analyzing Online Communities for Expertise Information

Shi, L.; Berrueta, D.; Fernández, S.; Polo, L.; Mínguez, I.; Rubiera, E.; Fernández, S.;

Chapter in Handbook of Research on Methods and Techniques for Studying Virtual Communities: Paradigms and Phenomena, Daniel, B. (ed.), pp. 10-33. IGI Global. 2011.

2010

RDF and XML: Towards a Unified Query Layer

Lopes, N. et al.

Proceedings of W3C Workshop on RDF Next Steps. Stanford, Jun 2010.

New Trends in Semantic-Based Location- and Context-Aware Adaptation for MobileWeb Applications Development

Jiménez, M.; Soriano, J.; Cantera, J.M.; Marín, I.; Berrueta, D.

Chapter in Handbook of Research on Mobile Software Engineering: Design, Implementation, and Emergent Applications, Alencar, P.; Cowan, D. (eds.), pp. 677-692. IGI Global. DOI: 10.4018/978-1-61520-655-1.ch036, ISBN13: 9781615206551. May 2012.

CRUZAR: an application of semantic matchmaking to eTourism

Mínguez, I.; Berrueta, D.; Polo, L.

Chapter in Cases on Semantic Interoperability for Information Systems Integration: Practices and Applications, Yannis Kalfoglou (eds.), pp. 255-271. Information Science Reference. 2010. ISBN: 978-1-60566-894-9.

2009

Mailing Lists and Social Semantic Web

Fernández, S.; Berrueta, D.; Shi, L.; Labra, J.E.; Ordóñez de Pablos, P.

Chapter in Social Web Evolution: Integrating Semantic Applications and Web 2.0 Technologies, Miltiadis D. Lytras, Patricia Ordonez de Pablos (eds.), part of the Advances in Semantic Web and Information Systems (ASWIS) book series, pp. 42-56. ISBN: 978-1-60566-272-5.

Declarative data grounding using a mapping language

García, M.; Álvarez, J.M.; Berrueta, D.; Polo, L.

Communications of SWIN, Huaglory Tianfield (ed.). Vol 6, April 2009, pp. 132-138. ISSN 1757-4439. (Also in Proceedings of 3rd International Conference on Complex Distributed Systems (CODS 2009). Leipzig, Mar 2009).

2008

Smushing RDF instances. Are Alice and Bob the same open source developer?

Shi, L.; Berrueta, D.; Fernández, S.; Polo, L.; Fernández, S.

Proceedings of Personal Identification and Collaborations: Knowledge Mediation and Extraction (PICKME 2008). Karlsruhe, Oct 2008.

Bootstrapping the Semantic Web of Social Online Communities

Fernández, S.; Berrueta, D.; Shi, L.

Proceedings of Workshop on Social Web Search and Mining. Beijing, Apr 2008.

XSLT+SPARQL: Scripting the Semantic Web with SPARQL embedded into XSLT stylesheets

Berrueta, D.; Labra, J.E.; Herman, I.

Proceedings of 4th Workshop on Scripting for the Semantic Web. Tenerife, Jun 2008. Slides (PDF), Slides (Slideshare)

Cooking HTTP content negotiation with Vapour

Berrueta, D.; Fernández, S.; Frade, I.

Proceedings of 4th Workshop on Scripting for the Semantic Web. Tenerife, Jun 2008.

A semantic web approach to publish and consume mailing lists

Fernández, S.; Berrueta, D.; Labra, J.E.

IADIS International Journal on WWW/Internet, 2008; pp. 103-120. ISSN: 1645-7641

2007

Ontology-based knowledge management in the steel industry

Arancón, J.; Polo, L.; Berrueta, D.; Lesaffre, F-M.; de Abajo, N.; Campos, A.

Chapter in "The semantic web: real-world applications from industry", Cardoso, J.; Hepp, M.; Lytras, M. (eds.). Springer. ISBN: 978-0-387-48530-0. 2007. View at Amazon.

CTIC Foundation's position on the ExpertFinder initiative

Berrueta, D.; Polo, L.; Campos, A.

Proceedings of 1st EXPERT FINDER WORKSHOP. Berlin, Jan 2007.

Mailing lists meet the semantic web

Fernández, S.; Berrueta, D.; Labra, J.E.

Proceedings of WORKSHOP ON SOCIAL ASPECTS OF THE WEB (SAW 2007), Poznan (Poland), 27 Apr 2007. Flejter, D.; Kaczmarek, M.; Kowalkiewicz, M.; Plessers, P.; Weçel, K.; Zyskowski, D. (eds.). ISBN-13: 978-83-916842-4-5

Aplicación de las tecnologías de la Web Semántica a la problemática de cumplimentación automática de formularios en la Web Móvil

Berrueta, D.; Fernández, S.; Marín, I.; Cantera, J.M.; Arias, M.; Hierro, J.; Jiménez, M.; Soriano, J.

Proceedings of JORNADAS SOBRE WEB MÓVIL (MWeb 2007). Quesada, E.; Marín, I.; Fernández, M.J. (eds.). ISBN: 978-84-9732-618-6. Zaragoza, 12-13 Sep 2007.

Semantic Mobile Web: Tecnologías emergentes de Web Semántica que mejoran la experiencia del usuario en la Web Móvil

Cantera, J.M; Berrueta, D.; Marín, I.

Poster at XVII JORNADAS TELECOM I+D, Valencia, 29-31 Oct 2007.

2006

Searching over Public Administration Legal Documents Using Ontologies

Berrueta, D.; Labra, J.E.; Polo, L.

Proceedings of JOINT CONFERENCE ON KNOWLEDGE-BASED SOFTWARE ENGINEERING (JCKBSE 2006). Tallin (Estonia). Also in Frontiers in Artificial Intelligence and Applications, Vol 140. ISBN: 1-58603-640-8. Pag.: 167 - 175

Buscador Semántico para la Documentación de la Administración Pública del Principado de Asturias

Berrueta, D.; Polo, L.

Proceedings of Blogak 2006. Bilbao (Spain).

2005

Servicios semánticos para la documentación de la administración pública del Principado de Asturias

Berrueta, D.; Polo, L.

Proceedings of Ontologías y web semántica 2005 workshop (editor: Oscar Corcho) on XI Conferencia de la Asociación Española para la Inteligencia Artificial. Santiago de Compostela (Spain).