Istituto di Scienza e Tecnologie dell'Informazione     
Bonchi F., Giannotti F., Pedreschi D. A relational query primitive for constraint-based pattern mining. Boulicaut, Jean-Francois and De Raedt, Luc and Mannila, Heikki. (Lecture Notes in Computer Science, vol. 3848). Springer, 2005.
As a step towards the design of an Inductive Database Sys- tem, in this paper we present a primitive for constraint-based frequent pattern mining, which represents a careful trade-off between expressive- ness and efficiency. Such primitive is a simple mechanism which takes a relational table in input and extracts from it all frequent patterns which satisfy a given set of user-defined constraints. Despite its simplicity, the proposed primitive is expressive enough to deal with a broad range of interesting constraint-based frequent pattern queries,using a comprehen- sive repertoire of constraints defined over SQL aggregates. Thanks to its simplicity, the proposed primitive is amenable to be smoothly embedded in a variety of data mining query languages and be efficiently executed, by the state-of-the-art optimization techniques based on pushing the various form of constraints by means of data reduction.
Subject Frequent pattern mining
Data mining query language
H.2.8 Databases Applications

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