An Algebra for Inductive Query Evaluation

  • Authors:
  • Sau Dan Lee;Luc De Raedt

  • Affiliations:
  • -;-

  • Venue:
  • ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
  • Year:
  • 2003

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Abstract

Inductive queries are queries that generate pattern sets.This paper studies properties of boolean inductive queries,i.e. queries that are boolean expressions over monotonicand anti-monotonic constraints. More specifically, we introduceand study algebraic operations on the answer setsof such queries and show how these can be used for constructingand optimizing query plans. Special attention isdevoted to the dimension of the queries, i.e. the minimumnumber of version spaces needed to represent the answersets. The framework has been implemented for the patterndomain of strings and experimentally validated.