M. Acosta, M. Vidal, T. Lampo, J. Castillo, and E. Ruckhaus, ANAPSID: An Adaptive Query Processing Engine for SPARQL Endpoints, The Semantic Web -ISWC 2011 -10th International Semantic Web Conference Proceedings, Part I, pp.18-34, 2011.
DOI : 10.1109/2.121508

O. Görlitz and S. Staab, SPLENDID: SPARQL Endpoint Federation Exploiting VOID Descriptions, Proceedings of the Second International Workshop on Consuming Linked Data (COLD2011), 2011.

S. Grumbach, Intermediation Platforms, an Economic Revolution, ERCIM News, issue.99, pp.2014-2014

S. Grumbach, M. Rafanelli, and L. Tininini, Querying aggregate data, Proceedings of the eighteenth ACM SIGMOD-SIGACT-SIGART symposium on Principles of database systems , PODS '99, pp.174-184, 1999.
DOI : 10.1145/303976.303994

J. Han, M. Kamber, and J. Pei, Data Mining, 2011.
DOI : 10.1007/978-1-4899-7993-3_104-2

O. Hartig, C. Bizer, and J. C. Freytag, Executing SPARQL Queries over the Web of Linked Data, The Semantic Web -ISWC 2009 -8th International Semantic Web Conference Proceedings, pp.293-309, 2009.
DOI : 10.1007/978-3-642-04930-9_19

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

J. R. Mayer and J. C. Mitchell, Third-Party Web Tracking: Policy and Technology, 2012 IEEE Symposium on Security and Privacy, pp.413-427, 2012.
DOI : 10.1109/SP.2012.47

M. T. Özsu and P. Valduriez, Principles of Distributed Database Systems, 2011.

B. Quilitz and U. Leser, Querying Distributed RDF Data Sources with SPARQL, 2008.
DOI : 10.1007/978-3-540-68234-9_39

M. Schmidt, O. Görlitz, P. Haase, G. Ladwig, A. Schwarte et al., Fed- Bench: A Benchmark Suite for Federated Semantic Data Query Processing, The Semantic Web -ISWC 2011 -10th International Semantic Web Conference Proceedings, Part I, pp.585-600, 2011.

A. Schwarte, P. Haase, K. Hose, R. Schenkel, and M. Schmidt, FedX: Optimization Techniques for Federated Query Processing on Linked Data, The Semantic Web -ISWC 2011 -10th International Semantic Web Conference Proceedings, Part I, pp.601-616, 2011.
DOI : 10.1007/978-3-642-21064-8_39