@inproceedings{DBLP:conf/www/StefanoniMK18,
  title = "Estimating the Cardinality of Conjunctive Queries over {RDF} Data Using Graph Summarisation",
  author = "Giorgio Stefanoni and Boris Motik and Egor V. Kostylev",
  year = "2018",
  booktitle = "Proceedings of the 2018 World Wide Web Conference on World Wide Web, {WWW} 2018, Lyon, France, April 23-27, 2018",
  pages = "1043--1052",
  url = "http://doi.acm.org/10.1145/3178876.3186003",
  doi = "10.1145/3178876.3186003",
}