Data Management

Change of Representation for Statistical Relational Learning

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Executive Summary

Statistical Relational learning (SRL) algorithms learn statistical models from relational data, such as that stored in a relational database. The authors previously introduced view learning for SRL, in which the view of a relational database can be automatically modified, yielding more accurate statistical models. The present paper presents SAYU-VISTA, an algorithm which advances beyond the initial view learning approach in three ways. First, it learns views that introduce new relational tables, rather than merely new fields for an existing table of the database. Second, new tables or new fields are not limited to being approximations to some target concept; instead, the new approach performs a type of predicate invention.

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