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“DataBridges: Data Integration for Digital Cities” is a 2011-2012 activity within the “Digital Cities of the Future” action line of the EIT ICT Labs KIC. The participating sites (with site leaders in parenthesis) are:

  • Aalto University, Finland (Marko Turpeinen)
  • Alcatel-Lucent Bell Labs, France (Hakim Hacid)
  • DataPublica, France (François Bancilhon)
  • DFKI, Germany (Inessa Seifert, Daniel Sonntag)
  • KTH, Sweden (Hannes Ebner)
  • Inria Saclay, France (Ioana Manolescu, activity lead)
  • Technical University of Delft, the Netherlands (Geert-Jan Houben)
  • Université de Paris Sud, France (Chantal Reynaud)

This page describes the advancement of the project in 2012. The earliest results carry over from our previous year (2011).

  • December 13-14, 2012: an activity workshop is held in TU Delft, organized by J. Hidders.
    • Alexandra Roatis, “Warehousing RDF Graphs”
    • Zied Sellami, “Enrichment of Points of Interest on Social Data”
    • Dominikus Heckmann, “Support Social Transportation with Linked Open Data”
    • Jan Hidders, “RDFGears: integrating, transforming and publishing RDF data”
  • September 17-22, 2012: KTH (Hannes Ebner et al.) co-organized a stream on Open Knowledge and Sustainability at the Open Knowledge Festival in Helsinki. In this context, a two-day Green Hackathon was also held. Link to EIT web site.
  • May 20, 2012: the workshop Scalable Workflow Enactment Engines and Technologies (SWEET’12) is held next to the SIGMOD conference in Arizona, USA. Jan Hidders (TU Delft) is a co-chair.
  • April 16, 2012: the workshop “Mining Social Network Data” is held next to the WWW 2012 conference in Lyon. Hakim Hacid is a co-chair.
  • April 12, 2012: the workshop “Linked Open Data and Social Web for Personalization in Digital Cities” is organized as a meeting between the Delft and Paris participants.
    Here you can find the workshop report.
  • March 30, 2012: Zoi Kaoudi (Inria and Paris-Sud) presents our work on cloud-based management of RDF data at the “Data Analytics in the Cloud” workshop next to EDBT 2012.
  • March 28, 2012: a telephonic kick-off is scheduled at 4 pm on March 28.
  • March 20-21, 2012: the Big Data congress was held in Paris. François Bancilhon (DataPublica) and Ioana Manolescu (Inria and Paris Sud) are among the speakers, in particular discussing open data (F. Bancilhon) and scalable techniques for handling large data volumes (I. Manolescu).
  • March 19, 2012: a workshop was held at the Paris CLC for the Digital Cities of the Future action line. Participants from DataBridges were: Andrés Aranda-Andújar (Inria),  Nathalie Pernelle, Gianluca Quercini, Chantal Reynaud, Fatiha Sais and Brigitte Safar (Université de Paris Sud), Geert-Jan Houben (TU Delft), Dominikus Heckmann, Inessa Seifert and Daniel Sonntag (DFKI) and Maria Laura Maag (Alcatel). François Bancilhon from DataPublica was also in the co-location center and we discussed briefly.
    • We have presented the main results of our 2011 activity (slides), as well as the two joint integrated demos (below)
    • The RDFGears-RDFViewS demo was made on the digital cities data produced by Paris Sud during the activity in 2011.
  • March 2012: a joint demo between DFKI and  TU Delft is online. It demonstrates different clustering approaches to generate Regions of Interest (DFKI) as well as integration of a web-service (TU Deflt) that provides information on cultural events in the selected area.
  • March 2012: a joint demo between Inria and TU Delft has been finalized. It enables RDFGears (RDF dataflow tool from TU Delft) to take advantage of the RDF storage optimizations brought by RDFViewS, a storage tuning wizard developed by Inria and Paris Sud.
  • January 2012: a joint demo between Paris Sud and DFKI is online. It showcases facetted browsing (DFKI tool) on digital city data enriched by U. Paris Sud with geographic information.


  • François Goasdoué, Ioana Manolescu,  Alexandra Roatis. Répondre aux requêtes par reformulation dans les bases de données RDF. RFIA 2012 (Reconnaissance des Formes et Intelligence Artificielle), Jan 2012, Lyon, France. pp. 978-2-9539515-2-3 rfia2012_submission_123.pdf BibTex (Paris Sud and Inria)
  • Francesca Bugiotti, François Goasdoué, Zoi Kaoudi  and Ioana Manolescu: RDF Data Management in the Amazon Cloud, DanaC (Data Analytics in the Cloud) Workshop in collaboration with EDBT 2012, March 30, 2012, Berlin, Germany (Paris Sud and Inria)
  • Juan Antonio Lossio Ventura, Hakim Hacid, Arnaud Ansiaux, Maria Laura Maag. Conversations Reconstruction in the Social Web (poster) WWW Conference 2012, April 2012, Lyon, France. (Alcatel-Lucent Bell Labs)
  • François Goasdoué, Ioana Manolescu, Alexandra Roatis. Getting more RDF support from relational databases (poster), WWW Conference 2012, April 2012, Lyon, France (Paris Sud and Inria)
  • F. Picalausa, Y. Luo, G. H. L. Fletcher, J. Hidders, and S. Vansummeren. A structural approach to  indexing triples. In E. Simperl, P. Cimiano, A. Polleres, O. Corcho, and V. Presutti, editors, The Semantic Web: Research and Applications – 9th Extended Semantic Web Conference, ESWC 2012, Heraklion, Crete, Greece, May 27-31, 2012. Proceedings, volume 7295 of Lecture Notes in Computer Science, pages 406–421. Springer, 2012. (TU Delft)
  • A. Aranda-Andújar, F. Bugiotti, J. Camacho-Rodríguez, D. Colazzo, F. Goasdoué, Z. Kaoudi, and I. Manolescu. AMADA: Web Data Repositories in the Amazon Cloud. 21st ACM International Conference on Information and Knowledge Management (CIKM 2012), demo paper, Maui, USA, 2012 (Inria and Paris Sud)
  • A. Aranda-Andújar, F. Bugiotti, J. Camacho-Rodríguez, and Z. Kaoudi. AMADA: Web Data Repositories in the Amazon Cloud. BDA 2012, demo paper, Clermont-Ferrand,  France, 2012 (Inria and Paris Sud)
  • Melanie Herschel and Ioana Manolescu. DataBridges: Data Integration for Digital Cities. In International City Data Management Workshop (CDMW) collocated with CIKM 2012. Maui, USA. (Paris Sud and Inria)
  • G. Quercini, C. Reynaud. Des données tabulaires à RDF: l’extraction de données de Google Fusion Tables. Ontologies et Jeux de Données pour évaluer le web sémantique (IC 2012). (Paris Sud)
  • J. Setz, G. Quercini, D. Sonntag, C. Reynaud. Facetted Search  on Extracted Fusion Tables Data for Digital Cities. Demo at the 35th German Conference on Artificial Intelligence (KI 2012). (Paris Sud and DFKI)
  • G. Quercini, J. Setz, D. Sonntag, C. Reynaud. Facetted Browsing  on Extracted Fusion Tables Data for Digital Cities. Accepted for presentation at the Web of Linked Data (WoLE 2012) Workshop at ISWC 2012. (Paris Sud and DFKI)
  • A. Penta, G. Quercini, C. Reynaud, N. Shadbolt. Discovering Cross-language Links in Wikipedia through Semantic Relatedness. ECAI 2012: 642 – 647 (Paris Sud)

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