N. Abdallah, F. Goasdoué, and M. Rousset, DL-LITER in the light of propositional logic for decentralized data management, IJCAI, 2009.
URL : https://hal.archives-ouvertes.fr/inria-00429710

S. Abiteboul, R. Hull, and V. Vianu, Foundations of Databases, 1995.

R. Ahmed, A. Lee, A. Witkowski, D. Das, H. Su et al., Costbased query transformation in Oracle, VLDB, 2006.

J. Baget, M. Leclère, M. Mugnier, and E. Salvat, On rules with existential variables: Walking the decidability line, Artificial Intelligence, vol.175, issue.9-10, pp.9-10, 2011.
DOI : 10.1016/j.artint.2011.03.002

URL : https://hal.archives-ouvertes.fr/lirmm-00587012

P. A. Bernstein and D. W. Chiu, Using Semi-Joins to Solve Relational Queries, Journal of the ACM, vol.28, issue.1, 1981.
DOI : 10.1145/322234.322238

M. A. Bornea, J. Dolby, A. Kementsietsidis, K. Srinivas, P. Dantressangle et al., Building an efficient RDF store over a relational database, Proceedings of the 2013 international conference on Management of data, SIGMOD '13, 2013.
DOI : 10.1145/2463676.2463718

D. Bursztyn, F. Goasdoué, and I. Manolescu, Optimizing reformulation-based query answering in RDF, EDBT, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01143068

A. Calì, G. Gottlob, and T. Lukasiewicz, A general datalog-based framework for tractable query answering over ontologies, PODS, 2009.

D. Calvanese, G. D. Giacomo, D. Lembo, M. Lenzerini, and R. Rosati, Tractable Reasoning and Efficient Query Answering in Description Logics: The DL-Lite Family, Journal of Automated Reasoning, vol.104, issue.1,2, pp.385-429, 2007.
DOI : 10.1007/s10817-007-9078-x

S. Chaudhuri and M. Y. Vardi, Optimization of real conjunctive queries, Proceedings of the twelfth ACM SIGACT-SIGMOD-SIGART symposium on Principles of database systems , PODS '93, 1993.
DOI : 10.1145/153850.153856

A. Chortaras, D. Trivela, and G. B. Stamou, Optimized Query Rewriting for OWL 2 QL, CADE, 2011.
DOI : 10.1007/978-3-642-04930-9_31

G. De-giacomo, D. Lembo, M. Lenzerini, A. Poggi, R. Rosati et al., MASTRO: A reasoner for effective ontology-based data access, ORE Workshop, 2012.

]. G. Gardarin, F. Sha, and Z. Tang, Calibrating the query optimizer cost model of IRO-DB, an object-oriented federated database system, VLDB, 1996.

G. Giannikis, D. Makreshanski, G. Alonso, and D. Kossmann, Shared workload optimization, Proceedings of the VLDB Endowment, vol.7, issue.6, p.2014
DOI : 10.14778/2732279.2732280

F. Goasdoué, I. Manolescu, and A. Roati¸sroati¸s, Efficient query answering against dynamic RDF databases, Proceedings of the 16th International Conference on Extending Database Technology, EDBT '13, 2013.
DOI : 10.1145/2452376.2452412

G. Gottlob, G. Orsi, and A. Pieris, Query Rewriting and Optimization for Ontological Databases, ACM Transactions on Database Systems, vol.39, issue.3, p.25, 2014.
DOI : 10.1145/2638546

Z. Kaoudi and I. Manolescu, RDF in the Clouds: A Survey. The International Journal on Very Large Databases, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01020977

M. König, M. Leclère, M. Mugnier, and M. Thomazo, A Sound and Complete Backward Chaining Algorithm for Existential Rules, 2012.
DOI : 10.1007/978-3-642-33203-6_10

C. A. Lang, B. Bhattacharjee, T. Malkemus, S. Padmanabhan, and K. Wong, Increasing Buffer-Locality for Multiple Relational Table Scans through Grouping and Throttling, 2007 IEEE 23rd International Conference on Data Engineering, 2007.
DOI : 10.1109/ICDE.2007.368972

M. Lenzerini, Ontology-based data management, CIKM, 2011.

C. Lutz, I. Seylan, D. Toman, and F. Wolter, The Combined Approach to OBDA: Taming Role Hierarchies Using Filters, ISWC, 2013.
DOI : 10.1007/978-3-642-41335-3_20

S. Manegold, A. Pellenkoft, and M. L. Kersten, A Multi-Query Optimizer for Monet, BNCOD, 2000.
DOI : 10.1007/3-540-45033-5_4

M. Mugnier, An Introduction to Ontology-Based Query Answering with Existential Rules, RuleML, 2012.
DOI : 10.1007/978-3-642-30284-8_31

URL : https://hal.archives-ouvertes.fr/lirmm-01089990

T. Neumann and G. Moerkotte, Generating optimal DAG-structured query evaluation plans, Computer Science - Research and Development, vol.13, issue.1, 2009.
DOI : 10.1007/s00450-009-0061-0

T. Neumann and G. Moerkotte, Characteristic sets: Accurate cardinality estimation for RDF queries with multiple joins, 2011 IEEE 27th International Conference on Data Engineering, 2011.
DOI : 10.1109/ICDE.2011.5767868

T. Neumann and G. Weikum, The RDF-3X engine for scalable management of RDF data, The VLDB Journal, vol.29, issue.3, pp.91-113, 2010.
DOI : 10.1007/s00778-009-0165-y

G. Orsi and A. Pieris, Optimizing query answering under ontological constraints, 2011.

H. Pérez-urbina, I. Horrocks, and B. Motik, Efficient Query Answering for OWL 2, ISWC, 2009.
DOI : 10.1007/978-3-642-04930-9_31

R. Ramakrishnan and J. Gehrke, Database Management Systems, 2003.

R. Rosati and A. Almatelli, Improving query answering over DL-Lite ontologies, KR, 2010.

K. Stocker, D. Kossmann, R. Braumandl, and A. Kemper, Integrating semi-joinreducers into state of the art query processors, ICDE, 2001.

M. Thomazo, Compact rewriting for existential rules, IJCAI, 2013.
URL : https://hal.archives-ouvertes.fr/lirmm-00839422

T. Venetis, G. Stoilos, and G. B. Stamou, Incremental query rewriting for OWL 2 QL, Description Logics, 2012.

R. D. Virgilio, G. Orsi, L. Tanca, and R. Torlone, NYAYA: A System Supporting the Uniform Management of Large Sets of Semantic Data, 2012 IEEE 28th International Conference on Data Engineering, 2012.
DOI : 10.1109/ICDE.2012.133

C. Weiss, P. Karras, and A. Bernstein, Hexastore, Proceedings of the VLDB Endowment, vol.1, issue.1, 2008.
DOI : 10.14778/1453856.1453965

J. Zhou, P. Larson, J. Freytag, and W. Lehner, Efficient exploitation of similar subexpressions for query processing, Proceedings of the 2007 ACM SIGMOD international conference on Management of data , SIGMOD '07, 2007.
DOI : 10.1145/1247480.1247540

M. Zukowski, S. Héman, N. Nes, and P. Boncz, Cooperative scans: Dynamic bandwidth sharing in a DBMS, VLDB, 2007.