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{BBP+99} P. Baker, C. Goble S. Bechhofer, N. Paton, R. Stevens, and A. Brass. An Ontology for Bioinformatics Applications. Bioinformatics, 15(9):510--520, 1999.

2

Sonia Bergamaschi , Silvana Castano , Maurizio Vincini , Domenico Beneventano, Semantic integration of heterogeneous information sources, Data & Knowledge Engineering, v.36 n.3, p.215-249, March 2001  [doi>10.1016/S0169-023X(00)00047-1]

3

{BIRN} Biomedical Informatics Research Network Coordinating Center (BIRN-CC), U.C. San Diego. http://nbirn.net/, 2001.

4

Silvana Castano , Valeria De Antonellis , Sabrina De Capitani di Vimercati , Michele Melchiori, Designing a Three-Layer Ontology in a Web-based Interconnection Scenario, Proceedings of the 12th International Workshop on Database and Expert Systems Applications, p.21-26, September 03-07, 2001

5

{ECOINF} Ecoinformatics - An online data and information management resource for ecologists. http://www.e coinf ormatics.org/, 2002.

6

{FKT 01} I. Foster and C. Kesselman and S. Tuecke. The anatomy of the Grid: Enabling scalable virtual organizations. The International Journal of Supercomputer Applications, 2001.

7

{GEON} Geoinformatics Network. http://www.geoinformaticsnetwork, org/.

8

C. A. Goble , R. Stevens , G. Ng , S. Bechhofer , N. W. Paton , P. G. Baker , M. Peim , A. Brass, Transparent access to multiple bioinformatics information sources, IBM Systems Journal, v.40 n.2, p.532-551, February 2001

9

{Hor98} I. Horrocks. Using an Expressive Description Logic: FaCT or Fiction? In Principles of Knowledge Representation & Reasoning, 1998.

10

Michael Kifer , Georg Lausen , James Wu, Logical foundations of object-oriented and frame-based languages, Journal of the ACM (JACM), v.42 n.4, p.741-843, July 1995  [doi>10.1145/210332.210335]

11

Bertram Ludäscher , Amarnath Gupta , Maryann E. Martone, Model-Based Information Integration in a Neuroscience Mediator System, Proceedings of the 26th International Conference on Very Large Data Bases, p.639-642, September 10-14, 2000

12

Bertram Ludäscher , Amarnath Gupta , Maryann E. Martone, Model-Based Mediation with Domain Maps, Proceedings of the 17th International Conference on Data Engineering, p.81-90, April 02-06, 2001

13

{SEEK} Analytical Pipelines for the Science Environment for Ecological Knowledge (SEEK). http://kbi.sdsc.edu/AP/.

14

{SDM} Scientific Data Management Center (SDM). http://sdm.lbl.gov/sdmcenter/.

Thomas Hernandez , Subbarao Kambhampati, Integration of biological sources: current systems and challenges ahead, ACM SIGMOD Record, v.33 n.3, September 2004

William K. Michener , James H. Beach , Matthew B. Jones , Bertram Ludäscher , Deana D. Pennington , Ricardo S. Pereira , Arcot Rajasekar , Mark Schildhauer, A knowledge environment for the biodiversity and ecological sciences, Journal of Intelligent Information Systems, v.29 n.1, p.111-126, August 2007

Omar Boucelma: colleagues

Silvana Castano: colleagues

Carole Goble: colleagues

Vanja Josifovski: colleagues

Zoé Lacroix: colleagues

Bertram Ludäscher: colleagues