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Reverse Engineering Databases for Knowledge Discovery Export

by: Stephen Mckearney, Huw Roberts
In KDD (1996), pp. 375-378.

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discovery entityguides schema xml

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  • Makes diff. btw. domain expert and data expert (who knows the db)
  • Input: rel. db
  • Ouput: SQL queries generating views usable for data mining
  • No eval
  • Measures/Concepts:
  1. Informativeness is a measure of the dependency btw att and may be used to infer (near-)unique att in the db
  2. Entity: inferred by analysing foreign keys refs. Each table can be either an (weak) entity or a relationship
  3. Abstract object: high level description of a db region from which a minable data set can be produced. It is a combination of entities. 3 types: Aggregate/Component, Super-/Subclass, Set/Member
lillejul (public note) - 2009-02-04 08:51:30

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