M. Acosta, M. Vidal, T. Lampo, J. Castillo, and E. Ruckhaus, ANAPSID: An Adaptive Query Processing Engine for SPARQL Endpoints, International Conference on The Semantic Web (ISWC'10), pp.18-34, 2011.
DOI : 10.1109/2.121508

K. Alexander and M. Hausenblas, Describing linked datasets -on the design and usage of void, the vocabulary of interlinked datasets, Linked Data on the Web Workshop (LDOW 09), 2009.

O. Corby and C. Faron-zucker, The KGRAM Abstract Machine for Knowledge Graph Querying, 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, 2010.
DOI : 10.1109/WI-IAT.2010.144

O. Corby, A. Gaignard, C. Faron-zucker, and J. Montagnat, KGRAM Versatile Inference and Query Engine for the Web of Linked Data, 2012 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology, 2012.
DOI : 10.1109/WI-IAT.2012.223

URL : https://hal.archives-ouvertes.fr/hal-00746772

O. Görlitz and S. Staab, SPLENDID: SPARQL Endpoint Federation Exploiting VOID Descriptions, Conference on Consuming Linked Data, pp.13-24, 2010.

L. M. Haas, D. Kossmann, E. L. Wimmers, and J. Yang, Optimizing queries across diverse data sources, Proceedings of the 23rd International Conference on Very Large Data Bases, VLDB '97, pp.276-285, 1997.

T. M. Ozsu and P. Valduriez, Principles of Distributed Database Systems, International Conference on Data Engineering (ICDE)11] P. Peng, L. Zou, M. ¨ Ozsu, L. Chen, and D. Zhao, pp.1286-1289, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00483354

J. Pérez, M. Arenas, and C. Gutierrez, Semantics and complexity of SPARQL, ACM Transactions on Database Systems, vol.34, issue.3, 2009.

B. Quilitz and U. Leser, Querying distributed rdf data sources with sparql In European Semantic Web Conference on The Semantic Web: Research and Applications, ESWC'08, pp.524-538, 2008.

A. Schwarte, P. Haase, K. Hose, R. Schenkel, and M. Schmidt, FedX: Optimization Techniques for Federated Query Processing on Linked Data, international Semantic Web conference (ISWC'11), pp.601-616, 2011.
DOI : 10.1007/978-3-642-21064-8_39

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.452.7341