Abstract
We study the asymptotic probabilities of conjunctive queries on random graphs.We consider a probabilistic model where the expected graph size remains constant independent of the number of vertices. While it has been known that a convergence law holds for conjunctive queries under this model, we focus on the calculation of conditional probabilities. This has direct applications to database problems like query-view security, i.e. evaluating the probability of a sensitive query given the knowledge of a set of published views. We prove that a convergence law holds for conditional probabilities of conjunctive queries and we give a procedure for calculating the conditional probabilities.
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Dalvi, N., Miklau, G., Suciu, D. (2004). Asymptotic Conditional Probabilities for Conjunctive Queries. In: Eiter, T., Libkin, L. (eds) Database Theory - ICDT 2005. ICDT 2005. Lecture Notes in Computer Science, vol 3363. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30570-5_20
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DOI: https://doi.org/10.1007/978-3-540-30570-5_20
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-24288-8
Online ISBN: 978-3-540-30570-5
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