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- W1651328431 abstract "We study the problem of inducing relational databases queries expressing quantification. Such queries express interesting multi-relational patterns in a database in a concise manner. Queries on relational databases can be expressed as Datalog programs. Inducing Datalog programs expressing quantification requires both negation and predicate invention. Predicate invention has been studied in the ILP literature. However, we propose a radical new approach to inducing quantification. We express queries in the relational algebra and we perform a heuristic search for the desired expression. A heuristic, which takes the complement operator into account, is proposed. We report some preliminary experimental results of a software prototype implementing our ideas. The results are compared with the results of FOIL and Tilde on the same examples." @default.
- W1651328431 created "2016-06-24" @default.
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- W1651328431 date "2010-01-01" @default.
- W1651328431 modified "2023-09-23" @default.
- W1651328431 title "Induction of Relational Algebra Expressions" @default.
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- W1651328431 doi "https://doi.org/10.1007/978-3-642-13840-9_4" @default.
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