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

C. Bizer and A. Schultz, The Berlin SPARQL Benchmark, Int. J. Semantic Web Inf. Syst, vol.5, issue.2 7, pp.1-24, 2009.
DOI : 10.4018/978-1-60960-593-3.ch004

URL : http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.161.8030&rep=rep1&type=pdf

C. Chen, C. X. Lin, M. Fredrikson, M. Christodorescu, X. Yan et al., Mining graph patterns efficiently via randomized summaries, Proceedings of the VLDB Endowment, vol.2, issue.1, 2009.
DOI : 10.14778/1687627.1687711

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.301.687

C. Chen, X. Yan, F. Zhu, J. Han, and P. S. Yu, Graph OLAP: Towards Online Analytical Processing on Graphs, 2008 Eighth IEEE International Conference on Data Mining, 2008.
DOI : 10.1109/ICDM.2008.30

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.215.3646

Q. Chen, A. Lim, and K. W. Ong, D(k)-index, Proceedings of the 2003 ACM SIGMOD international conference on on Management of data , SIGMOD '03, 2003.
DOI : 10.1145/872757.872776

M. P. Consens, V. Fionda, S. Khatchadourian, and G. Pirrò, S+EPPs, Proceedings of the VLDB Endowment, vol.8, issue.12, p.2015
DOI : 10.14778/2824032.2824128

M. P. Consens, R. J. Miller, F. Rizzolo, and A. A. Vaisman, Exploring XML web collections with DescribeX, ACM Transactions on the Web, vol.4, issue.3, 2010.
DOI : 10.1145/1806916.1806920

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.296.4331

W. Fan, J. Li, X. Wang, and Y. Wu, Query preserving graph compression, Proceedings of the 2012 international conference on Management of Data, SIGMOD '12, 2012.
DOI : 10.1145/2213836.2213855

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

R. Goldman and J. Widom, Dataguides: Enabling query formulation and optimization in semistructured databases, VLDB, 1997.

Y. Guo, Z. Pan, and J. Heflin, LUBM: A benchmark for OWL knowledge base systems, Web Semantics: Science, Services and Agents on the World Wide Web, vol.3, issue.2-3, 2005.
DOI : 10.1016/j.websem.2005.06.005

S. Gurajada, S. Seufert, I. Miliaraki, and M. Theobald, Using Graph Summarization for Join-Ahead Pruning in a Distributed RDF Engine, Proceedings of Semantic Web Information Management on Semantic Web Information Management, SWIM'14, 2014.
DOI : 10.1145/2630602.2630610

O. Hassanzadeh and M. P. Consens, Linked movie data base, LDOW, 2009.

M. R. Henzinger, T. A. Henzinger, and P. W. Kopke, Computing simulations on finite and infinite graphs, Proceedings of IEEE 36th Annual Foundations of Computer Science, 1995.
DOI : 10.1109/SFCS.1995.492576

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.48.3591

R. Kaushik, P. Bohannon, J. F. Naughton, and H. F. Korth, Covering indexes for branching path queries, Proceedings of the 2002 ACM SIGMOD international conference on Management of data , SIGMOD '02, 2002.
DOI : 10.1145/564691.564707

K. Kellou-menouer and Z. Kedad, Schema Discovery in RDF Data Sources, 2015.
DOI : 10.1007/978-3-319-25264-3_36

K. Khan, W. Nawaz, and Y. Lee, Set-based approximate approach for lossless graph summarization, Computing, vol.31, issue.4, pp.1185-1207, 2015.
DOI : 10.1007/s00607-015-0454-9

S. Khatchadourian and M. P. Consens, Constructing Bisimulation Summaries on a Multi-Core Graph Processing Framework, Proceedings of the GRADES'15 on, GRADES'15, 2015.
DOI : 10.1145/2764947.2764955

D. Lanti, M. Rezk, G. Xiao, and D. Calvanese, The NPD benchmark: Reality check for OBDA systems, EDBT, 2015.

W. Le, F. Li, A. Kementsietsidis, and S. Duan, Scalable Keyword Search on Large RDF Data, IEEE Transactions on Knowledge and Data Engineering, vol.26, issue.11, p.2014
DOI : 10.1109/TKDE.2014.2302294

K. Lefevre and E. Terzi, GraSS: Graph Structure Summarization, SDM, 2010.
DOI : 10.1137/1.9781611972801.40

S. Lin, M. Yeh, and C. Li, Sampling and summarization for social networks (tutorial, p.2013

H. Maserrat and J. Pei, Neighbor query friendly compression of social networks, Proceedings of the 16th ACM SIGKDD international conference on Knowledge discovery and data mining, KDD '10, 2010.
DOI : 10.1145/1835804.1835873

T. Milo and D. Suciu, Index Structures for Path Expressions, ICDT, 1999.
DOI : 10.1007/3-540-49257-7_18

S. Navlakha, R. Rastogi, and N. Shrivastava, Graph summarization with bounded error, Proceedings of the 2008 ACM SIGMOD international conference on Management of data , SIGMOD '08, 2008.
DOI : 10.1145/1376616.1376661

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.150.4242

M. Palmonari, A. Rula, R. Porrini, A. Maurino, B. Spahiu et al., ABSTAT: Linked Data Summaries with ABstraction and STATistics, ESWC Workshops, 2015.
DOI : 10.1007/978-3-319-25639-9_25

F. Picalausa, Y. Luo, G. H. Fletcher, J. Hidders, and S. Vansummeren, A Structural Approach to Indexing Triples, 2012.
DOI : 10.1007/978-3-642-30284-8_34

URL : http://repository.tue.nl/733180

M. Rudolf, M. Paradies, C. Bornhövd, and W. Lehner, SynopSys, First International Workshop on Graph Data Management Experiences and Systems, GRADES '13, 2013.
DOI : 10.1145/2484425.2484441

A. Schätzle, A. Neu, G. Lausen, and M. Przyjaciel-zablocki, Large-scale bisimulation of RDF graphs, Proceedings of the Fifth Workshop on Semantic Web Information Management, SWIM '13, 2013.
DOI : 10.1145/2484712.2484713

B. Spahiu, R. Porrini, M. Palmonari, A. Rula, and A. Maurino, ABSTAT: Ontology-Driven Linked Data Summaries with Pattern Minimalization, SumPre, 2016.
DOI : 10.1007/978-3-319-25639-9_25

Y. Tian, R. A. Hankins, and J. M. Patel, Efficient aggregation for graph summarization, Proceedings of the 2008 ACM SIGMOD international conference on Management of data , SIGMOD '08, 2008.
DOI : 10.1145/1376616.1376675

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.146.1991

T. Tran, G. Ladwig, and S. Rudolph, Managing Structured and Semistructured RDF Data Using Structure Indexes, IEEE Transactions on Knowledge and Data Engineering, vol.25, issue.9, p.2013
DOI : 10.1109/TKDE.2012.134

T. Tran, H. Wang, S. Rudolph, and P. Cimiano, Top-k Exploration of Query Candidates for Efficient Keyword Search on Graph-Shaped (RDF) Data, 2009 IEEE 25th International Conference on Data Engineering, 2009.
DOI : 10.1109/ICDE.2009.119

G. Troullinou, H. Kondylakis, E. Daskalaki, and D. Plexousakis, RDF Digest: Efficient Summarization of RDF/S KBs, ESWC, 2015.
DOI : 10.1007/978-3-319-18818-8_8

O. Udrea, A. Pugliese, and V. S. Subrahmanian, GRIN: A graph based RDF index, AAAI, 2007.

X. Yan, P. S. Yu, and J. Han, Graph indexing, Proceedings of the 2004 ACM SIGMOD international conference on Management of data , SIGMOD '04, 2004.
DOI : 10.1145/1007568.1007607

P. Zhao, J. X. Yu, and P. S. Yu, Graph indexing: Tree + delta >= graph, VLDB, 2007.