Exact and Approximate Aggregation in Constraint Query

Michael Benedikt, Leonid Libkin. Exact and Approximate Aggregation in Constraint Query. In Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31 - June 2, 1999, Philadelphia, Pennsylvania. pages 102-113, ACM Press, 1999. [doi]

@inproceedings{BenediktL99,
  title = {Exact and Approximate Aggregation in Constraint Query},
  author = {Michael Benedikt and Leonid Libkin},
  year = {1999},
  doi = {10.1145/303976.303987},
  url = {http://doi.acm.org/10.1145/303976.303987},
  tags = {constraints},
  researchr = {https://researchr.org/publication/BenediktL99},
  cites = {0},
  citedby = {0},
  pages = {102-113},
  booktitle = {Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31 - June 2, 1999, Philadelphia, Pennsylvania},
  publisher = {ACM Press},
  isbn = {1-58113-062-7},
}