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Title: Ordered Model Trees: a Normal Form for Disjunctive Deductive Databases.
Authors: Yahya, Adnan
Fernandez, Jose Alberto
Minker, Jack
Keywords: Deductive database;Disjunctive database;Digital preservation;Metadata - Management;Ordered model trees
Issue Date: 1993
Publisher: Springer Verlag
Source: Yahya, A., Fern├índez, J.A. & Minker, J. J Autom Reasoning (1994) 13: 117. doi:10.1007/BF00881914
Abstract: Model trees were conceived as a structure-sharing approach to represent information in disjunctive deductive databases. In this paper we introduce the concept ofordered minimal model trees as a normal form for disjunctive deductive databases. These are model trees in which an order is imposed on the elements of the Herbrand base. The properties of ordered minimal model trees are investigated as well as their possible utilization for efficient manipulation of disjunctive deductive databases. Algorithms are presented for constructing and performing operations on ordered model trees. The complexity of ordered model tree processing is addressed. Model forests are presented as an approach to reduce the complexity of ordered model tree construction and processing.
ISSN: doi:10.1007/BF00881914
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