Query translation between RDF and XML: A case study in the educational domain

RDF is used as a central building block for the Semantic Web. Considering providers of learning resources, it is commonplace to store and exchange meta-information in XML rather than RDF. Instead of transforming meta-data artefacts into RDF, we integrate these meta-data by translating users’ queries issued against RDF into queries over XML meta-data. We demonstrate the applicability of our query translation method in a concrete application scenario taken from the educational domain.

[1]  T. Anderson,et al.  The Educational Semantic Web: Visioning and Practicing the Future of Education , 2004 .

[2]  Stanislav Barton,et al.  Designing Indexing Structure for Discovering Relationships in RDF Graphs , 2004, DATESO.

[3]  Erhard Rahm,et al.  A survey of approaches to automatic schema matching , 2001, The VLDB Journal.

[4]  Maarten Marx,et al.  Mediation of XML Data through Entity Relationship Models , 2003, SWDB.

[5]  Marie-Christine Rousset.  Knowledge Representation for Information Integration , 2002, ISMIS.

[6]  Philip Wadler,et al.  XQuery from the Experts: A Guide to the W3C XML Query Language , 2003 .

[7]  Pedro M. Domingos,et al.  Learning to map between structured representations of data , 2002 .

[8]  Vassilis Christophides,et al.  The ICS-FORTH SWIM: A Powerful Semantic Web Integration Middleware , 2003, SWDB.

[9]  Renée J. Miller,et al.  Mapping data in peer-to-peer systems: semantics and algorithmic issues , 2003, SIGMOD '03.

[10]  Chantal Reynaud,et al.  Semantic integration of XML heterogeneous data sources , 2001, Proceedings 2001 International Database Engineering and Applications Symposium.

[11]  Tim Furche,et al.  Querying the Web Reconsidered: Design Principles for Versatile Web Query Languages , 2005, Int. J. Semantic Web Inf. Syst..

[12]  Catriel Beeri,et al.  Ontology-Based Integration of XML Web Resources , 2002, SEMWEB.

[13]  Alon Y. Halevy,et al.  Piazza: mediation and integration infrastructure for Semantic Web data , 2004, J. Web Semant..

[14]  Tok Wang Ling,et al.  Resolving Structural Conflicts in the Integration of XML Schemas: A Semantic Approach , 2003, ER.

[15]  Peter Dolog,et al.  Conceptualising Smart Spaces for Learning , 2004 .

[16]  Thomas L. Adams,et al.  RDF Representation of Metadata for Semantic Integration of Corporate Information Resources , 2002, WWW 2002.

[17]  Wolfgang Nejdl,et al.  Integrating XQuery-enabled SCORM XML Metadata Repositories into an RDF-based E-Learning P2P Network , 2004, J. Educ. Technol. Soc..

[18]  Geert-Jan Houben,et al.  RDF-Based Architecture for Semantic Integration of Heterogeneous Information Sources , 2001, Workshop on Information Integration on the Web.

[19]  Tova Milo,et al.  Views in a large-scale XML repository , 2002, The VLDB Journal.

[20]  Mong-Li Lee,et al.  XClust: clustering XML schemas for effective integration , 2002, CIKM '02.

[21]  Wolfgang Nejdl,et al.  Smart Space for Learning: A Mediation Infrastructure for Learning Services , 2003 .

[22]  Claude Delobel,et al.  Semantic integration in Xyleme: a uniform tree-based approach , 2003, Data Knowl. Eng..

[23]  Toshiyuki Amagasa,et al.  An Indexing Scheme for RDF and RDF Schema based on Suffix Arrays , 2003, SWDB.