The Sixth International Workshop on Ontology Matching

collocated with the 10th International Semantic Web Conference ISWC-2011
October 24th, 2011: the Maritim convention center, room REGER, Bonn, Germany

Download OM-2011 proceedings [PDF]: CEUR-WS Vol-814

Objectives Call for papers Submissions Accepted papers Program Organization OM-2011


Ontology matching is a key interoperability enabler for the Semantic Web, as well as a useful tactic in some classical data integration tasks dealing with the semantic heterogeneity problem. It takes the ontologies as input and determines as output an alignment, that is, a set of correspondences between the semantically related entities of those ontologies. These correspondences can be used for various tasks, such as ontology merging, data translation, query answering or navigation on the web of data. Thus, matching ontologies enables the knowledge and data expressed in the matched ontologies to interoperate.

The workshop has three goals:
  • To bring together leaders from academia, industry and user institutions to assess how academic advances are addressing real-world requirements. The workshop will strive to improve academic awareness of industrial and final user needs, and therefore direct research towards those needs. Simultaneously, the workshop will serve to inform industry and user representatives about existing research efforts that may meet their requirements. The workshop will also investigate how the ontology matching technology is going to evolve.

  • To conduct an extensive and rigorous evaluation of ontology matching approaches through the OAEI (Ontology Alignment Evaluation Initiative) 2011 campaign. The particular focus of this year's OAEI campaign is on real-world specific matching tasks involving, e.g., open linked data and biomedical ontologies. Therefore, the ontology matching evaluation initiative itself will provide a solid ground for discussion of how well the current approaches are meeting business needs.

  • To examine similarities and differences from database schema matching, which has received decades of attention but is just beginning to transition to mainstream tools.

Call for papers


The workshop encourages participation from academia, industry and user institutions with the emphasis on theoretical and practical aspects of ontology matching. On the one side, we expect representatives from industry and user organizations to present business cases and their requirements for ontology matching. On the other side, we expect academic participants to present their approaches vis-a-vis those requirements. The workshop provides an informal setting for researchers and practitioners from different related initiatives to meet and benefit from each other's work and requirements.

This year, in sync with the main conference, we encourage submissions specifically devoted to: (i) repeatable evaluations of the approaches proposed (not necessarily within OAEI) and (ii) application of the matching technology in real-life scenarios and assessment of its usefulness to the final users.

Topics of interest include but are not limited to:

  • Business and use cases for matching (e.g., open government data);
  • Requirements to matching from specific domains;
  • Application of matching techniques in real-world scenarios;
  • Formal foundations and frameworks for matching;
  • Matching patterns;
  • Instance matching and data interlinking;
  • Large-scale matching evaluation;
  • Performance of matching techniques;
  • Matcher selection and self-configuration;
  • User involvement (including both technical and organizational aspects);
  • Explanations in matching;
  • Social and collaborative matching;
  • Alignment management;
  • Reasoning with alignments;
  • Matching for traditional applications (e.g., information integration);
  • Matching for dynamic applications (e.g., search, web-services).

Contributions to the workshop can be made in terms of technical papers and posters/statements of interest addressing different issues of ontology matching as well as participating in the OAEI 2011 campaign. Technical papers should be not longer than 12 pages using the LNCS Style. Posters/statements of interest should not exceed 2 pages and should be handled according to the guidelines for technical papers. All contributions should be prepared in PDF format and should be submitted (no later than August 15th, 2011) through the workshop submission site at:

Contributors to the OAEI 2011 campaign have to follow the campaign conditions and schedule at

Important dates:

  • August 15, 2011: CLOSED [33 papers received for the technical track]
    Deadline for the submission of papers.
  • September 9, 2011: [Review results notifications have been sent out]
    Deadline for the notification of acceptance/rejection.
  • September 10, 2011: CLOSED
    Early ISWC'11 registration deadline.
  • September 26, 2011: CLOSED
    Workshop camera ready copy submission.
  • October 24th, 2011:
    OM-2011, the Maritim convention center, room REGER, Bonn, Germany.

Contributions will be refereed by the Program Committee. Accepted papers will be published in the workshop proceedings as a volume of CEUR-WS. Also, all the OM-2011 workshop metadata (e.g., paper authors) will be made available publicly at the Semantic Web Dog Food site.

In order for the paper to appear in the workshop proceedings, one of the authors must register both for the conference and the workshop by the EARLY registration deadline.

Accepted Papers

Technical Papers:

OAEI Papers:


Program Top
  8:30-8:50 Poster setup
  8:50-9:00 Welcome and workshop overview
 9:00-10:30 Paper presentation session: Data interlinking
 9:00-9:30 A time-efficient hybrid approach to link discovery
Axel-Cyrille Ngonga Ngomo
 9:30-10:00 Learning linkage rules using genetic programming
Robert Isele and Christian Bizer
 10:00-10:30 RAVEN -- active learning of link specifications
Axel-Cyrille Ngonga Ngomo, Jens Lehmann, Sören Auer and Konrad Höffner
 10:30-11:30 Coffee break / Poster session
 11:30-12:30 Paper presentation session: Tooling
 11:30-12:00 Towards an automatic parameterization of ontology matching tools based on example mappings
Dominique Ritze and Heiko Paulheim
 12:00-12:30 Evolution of the COMA match system
Sabine Maßmann, Salvatore Raunich, David Aümueller, Patrick Arnold and Erhard Rahm
 12:30-14:00 Lunch Top
 14:00-15:00 Paper presentation session: Evaluation
 14:00-14:30 Using semantic similarity in ontology alignment
Valerie Cross and Xueheng Hu
 14:30-15:00 Ontology matching benchmarks: generation and evaluation
Maria-Elena Roşoiu, Cássia Trojahn and Jérôme Euzenat
 15:00-15:30 Paper presentation session: OAEI-2011 campaign
 15:00-15:30 Introduction to the Ontology Alignment Evaluation Initiative 2011
Jérôme Euzenat, Alfio Ferrara, Willem Robert van Hage, Laura Hollink, Christian Meilicke, Andriy Nikolov, Dominique Ritze, François Scharffe, Pavel Shvaiko, Heiner Stuckenschmidt, Ondřej Šváb-Zamazal and Cássia Trojahn
 15:30-16:30 Coffee break / Poster session
 16:30-17:30 Paper presentation session: OAEI-2011 campaign (cont'd)
 16:30-16:50 Using AgreementMaker to align ontologies for OAEI 2011
Isabel F. Cruz, Cosmin Stroe, Federico Caimi, Alessio Fabiani, Catia Pesquita, Francisco M. Couto and Matteo Palmonari
 16:50-17:10 YAM++ results for OAEI 2011
DuyHoa Ngo, Zohra Bellasene and Remi Coletta
 17:10-17:30 Zhishi.links results for OAEI 2011
Xing Niu, Shu Rong, Yunlong Zhang and Haofen Wang
 17:30-18:00 Discussion and wrap-up
 from 20.00 Social dinner at Boennsch. If interested, please register here on Doodle.

Organizing Committee:

  • Pavel Shvaiko (Main contact)
    TasLab, Informatica Trentina, Italy
    E-mail: pavel [dot] shvaiko [at] infotn [dot] it
  • Jérôme Euzenat
    INRIA & LIG, France
  • Tom Heath
    Talis Systems Ltd, UK
  • Christoph Quix
    RWTH Aachen University, Germany
  • Ming Mao
    SAP Labs, USA
  • Isabel Cruz
    The University of Illinois at Chicago, USA

Program Committee:

  • Paolo Besana, University of Edinburgh, UK
  • Chris Bizer, Free University Berlin, Germany
  • Olivier Bodenreider, National Library of Medicine, USA
  • Paolo Bouquet, OKKAM, Italy
  • Marco Combetto, Informatica Trentina, Italy
  • Jérôme David, INRIA & LIG, France
  • Alfio Ferrara, University of Milan, Italy
  • Gabriele Francescotto, OpenContent, Italy
  • Fausto Giunchiglia, University of Trento, Italy
  • Bin He, IBM, USA
  • Eduard Hovy, ISI, University of Southern California, USA
  • Wei Hu, Nanjing University, China
  • Ryutaro Ichise, National Institute of Informatics, Japan
  • Antoine Isaac, Vrije Universiteit Amsterdam & Europeana, Netherlands
  • Krzysztof Janowicz, Pennsylvania State University, USA
  • Anja Jentzsch, Free University Berlin, Germany
  • Yannis Kalfoglou, Ricoh Europe plc, UK
  • Patrick Lambrix, Linköpings Universitet, Sweden
  • Monika Lanzenberger, Vienna University of Technology, Austria
  • Rob Lemmens, ITC, The Netherlands
  • Maurizio Lenzerini, University of Rome La Sapienza, Italy
  • Vincenzo Maltese, University of Trento, Italy
  • Fiona McNeill, University of Edinburgh, UK
  • Christian Meilicke, University of Mannheim, Germany
  • Peter Mork, The MITRE Corporation, USA
  • Nico Lavarini, Cogito, Italy
  • Andriy Nikolov, Open University, UK
  • Natasha Noy, Stanford University, USA
  • Leo Obrst, The MITRE Corporation, USA
  • Matteo Palmonari, University of Milan Bicocca, Italy
  • Yefei Peng, Google, USA
  • Evan Sandhaus, New York Times, USA
  • François Scharffe, LIRMM, France
  • Luciano Serafini, Fondazione Bruno Kessler - IRST, Italy
  • Kavitha Srinivas, IBM, USA
  • Umberto Straccia, ISTI-C.N.R., Italy
  • Ondrej Svab-Zamazal, Prague University of Economics, Czech Republic
  • Cássia Trojahn dos Santos, INRIA & LIG, France
  • Raphaël Troncy, EURECOM, France
  • Giovanni Tummarello, Fondazione Bruno Kessler - IRST, Italy
  • Lorenzino Vaccari, European Commission - Joint Research Center, Italy
  • Ludger van Elst, DFKI, Germany
  • Shenghui Wang, Vrije Universiteit Amsterdam, Netherlands
  • Baoshi Yan, LinkedIn, USA
  • Songmao Zhang, Chinese Academy of Sciences, China


We appreciate support from the Trentino as a Lab initiative of the European Network of the Living Labs at Informatica Trentina, the EU SEALS project and the Semantic Valley initiative.

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