A. Doan and A. Y. Halevy, Efficiently ordering query plans for data integration, Proceedings 18th International Conference on Data Engineering, p.393, 2002.
DOI : 10.1109/ICDE.2002.994753

URL : http://anhai.cs.uiuc.edu/home/papers/ijcai99-workshop.ps

R. Akbarinia and V. Martins, Data Management in the APPA System, Journal of Grid Computing, vol.19, issue.2, 2007.
DOI : 10.1007/s10723-007-9070-z

URL : https://hal.archives-ouvertes.fr/hal-00416459

J. Bleiholder, S. Khuller, F. Naumann, L. Raschid, and Y. Wu, Query Planning in the Presence of Overlapping Sources, In: EDBT, pp.811-828, 2006.
DOI : 10.1007/11687238_48

R. Hayek, G. Raschia, P. Valduriez, and N. Mouaddib, Summary management in P2P systems, Proceedings of the 11th international conference on Extending database technology Advances in database technology, EDBT '08, pp.16-25, 2008.
DOI : 10.1145/1353343.1353350

URL : https://hal.archives-ouvertes.fr/hal-00376969

A. D. Sarma, X. L. Dong, and A. Halevy, Data integration with dependent sources, Proceedings of the 14th International Conference on Extending Database Technology, EDBT/ICDT '11, pp.401-412, 2011.
DOI : 10.1145/1951365.1951414

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.297.3998

G. Wiederhold, Mediators in the architecture of future information systems, Computer, vol.25, issue.3, pp.38-49, 1992.
DOI : 10.1109/2.121508

M. Roth and P. Schwarz, A wrapper architecture for legacy data sources, pp.266-275, 1997.

A. Tomasic, L. Raschid, and P. Valduriez, Scaling access to heterogeneous data sources with DISCO, IEEE Transactions on Knowledge and Data Engineering, vol.10, issue.5, pp.808-823, 1998.
DOI : 10.1109/69.729736

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.133.9176

H. Garcia-molina, Y. Papakonstantinou, D. Quass, A. Rajaraman, Y. Sagiv et al., The tsimmis approach to mediation: Data models and languages, Journal of Intelligent Information Systems, vol.8, issue.2, pp.117-132, 1997.
DOI : 10.1023/A:1008683107812

D. Kossmann, The state of the art in distributed query processing, ACM Computing Surveys, vol.32, issue.4, pp.422-469, 2000.
DOI : 10.1145/371578.371598

A. Y. Levy, A. Rajaraman, and J. J. Ordille, Querying heterogeneous information sources using source descriptions, pp.251-262, 1996.

R. Pottinger and A. Y. Halevy, Minicon: A scalable algorithm for answering queries using views, VLDB Journal, vol.10, pp.182-198, 2001.

H. Khatri, J. Fan, Y. Chen, and S. Kambhampati, QPIAD: Query Processing over Incomplete Autonomous Databases, 2007 IEEE 23rd International Conference on Data Engineering, pp.1430-1432, 2007.
DOI : 10.1109/ICDE.2007.369028

F. Naumann, J. C. Freytag, and U. Leser, Completeness of integrated information sources, Information Systems, vol.29, issue.7, pp.583-615, 2004.
DOI : 10.1016/j.is.2003.12.005

R. Huebsch, J. M. Hellerstein, N. Lanham, B. T. Loo, S. Shenker et al., Querying the Internet with PIER, pp.321-332, 2003.
DOI : 10.1016/B978-012722442-8/50036-7

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.14.7680

M. D. Villamil, C. Roncancio, and C. Labbe, PinS: peer to peer interrogation and indexing system, Proceedings. International Database Engineering and Applications Symposium, 2004. IDEAS '04., pp.236-245, 2004.
DOI : 10.1109/IDEAS.2004.1319796

I. Tatarinov, Z. Ives, J. Madhavan, A. Halevy, D. Suciu et al., The Piazza peer data management project, ACM SIGMOD Record, vol.32, issue.3, pp.32-47, 2003.
DOI : 10.1145/945721.945732

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.348.7147

B. C. Ooi, K. L. Tan, A. Zhou, C. H. Goh, Y. Li et al., PeerDB, Proceedings of the 2003 ACM SIGMOD international conference on on Management of data , SIGMOD '03, pp.659-659, 2003.
DOI : 10.1145/872757.872845

M. C. Rousset, P. Adjiman, P. Chatalic, F. Goasdoué, and L. Simon, SomeWhere: A Scalable Peer-to-Peer Infrastructure for Querying Distributed Ontologies, In: OTM Conferences, issue.1, pp.698-703, 2006.
DOI : 10.1007/11914853_42

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.381.6125

J. Greenberg, Metadata Extraction and Harvesting, Journal of Internet Cataloging, vol.37, issue.4, pp.59-82, 2004.
DOI : 10.1108/00242539510102574

M. Margaritopoulos, T. Margaritopoulos, I. Kotini, and A. Manitsaris, Automatic metadata generation by utilising pre-existing metadata of related resources, International Journal of Metadata, Semantics and Ontologies, vol.3, issue.4, pp.292-304, 2008.
DOI : 10.1504/IJMSO.2008.023576

G. Hripcsak, C. Knirsch, L. Zhou, A. Wilcox, and G. B. Melton, Using discordance to improve classification in narrative clinical databases: An application to community-acquired pneumonia, Computers in Biology and Medicine, vol.37, issue.3, pp.37-296, 2007.
DOI : 10.1016/j.compbiomed.2006.02.001

G. Kowalski, Information Retrieval Systems: Theory and Implementation, 1997.

A. Pomares-quimbaya, C. Roncancio, V. D. Cung, and M. D. Villamil, Improving source selection in large scale mediation systems through combinatorial optimization techniques. T. Large-Scale Data-and Knowledge-Centered Systems, pp.138-166, 2011.

B. S. Everitt, S. Landau, M. Leese, and D. Stahl, Cluster Analysis. 5 edn, 2011.
DOI : 10.1002/9780470977811

O. Software, Openlink software virtuoso open-source (vos) versión 1, 2011.

E. González, C. J. Bustacara, and J. A. Avila, Besa: Arquitectura para construcción de sistemas multiagentes, CLEI -Conferencia Latinoamericana de Estudios en Informática Ponencia, 2003.

E. Prud and A. S. , Sparql query language for rdf, 2007.

B. Carpenter and B. Baldwin, Text Analysis with Ling Pipe 4, 2011.

B. C. Ooi, K. L. Tan, A. Zhou, C. H. Goh, Y. Li et al., PeerDB, Proceedings of the 2003 ACM SIGMOD international conference on on Management of data , SIGMOD '03, p.659, 2003.
DOI : 10.1145/872757.872845

3. Owl-working-group and W. , OWL 2 Web Ontology Language: Document Overview, W3C Recommendation, 2009.