@inproceedings{DBLP:conf/www/ArenasDK16,
  title = "Reverse Engineering {SPARQL} Queries",
  author = "Marcelo Arenas and Gonzalo I. Diaz and Egor V. Kostylev",
  year = "2016",
  booktitle = "Proceedings of the 25th International Conference on World Wide Web, {WWW} 2016, Montreal, Canada, April 11 - 15, 2016",
  editor = "Jacqueline Bourdeau and Jim Hendler and Roger Nkambou and Ian Horrocks and Ben Y. Zhao",
  isbn = "978-1-4503-4143-1",
  pages = "239--249",
  publisher = "{ACM}",
  url = "http://dl.acm.org/citation.cfm?id=2872427",
  doi = "10.1145/2872427.2882989",
}
@article{Arenas:2016:ECF:2936309.2886095,
  title = "The Exact Complexity of the First-Order Logic Definability Problem",
  author = "Arenas, Marcelo and Diaz, Gonzalo I.",
  year = "2016",
  address = "New York, NY, USA",
  issn = "0362-5915",
  journal = "ACM Trans. Database Syst.",
  keywords = "Definability problem, expressiveness, first-order logic, relational algebra",
  month = "may",
  number = "2",
  pages = "13:1--13:14",
  publisher = "ACM",
  url = "http://doi.acm.org/10.1145/2886095",
  volume = "41",
  doi = "10.1145/2886095",
}
@article{DBLP:journals/pvldb/ArenasDFKS14,
  title = "A Principled Approach to Bridging the Gap between Graph Data and their Schemas",
  author = "Marcelo Arenas and Gonzalo I. Diaz and Achille Fokoue and Anastasios Kementsietsidis and Kavitha Srinivas",
  year = "2014",
  journal = "PVLDB",
  number = "8",
  pages = "601--612",
  url = "http://www.vldb.org/pvldb/vol7/p601-arenas.pdf",
  volume = "7",
}