Induction of optimal semantic semi-distances for clausal knowledge bases

Authors:
Claudia D'Amato;Nicola Fanizzi;Floriana Esposito
Affiliations:
LACAM, Dipartimento di Informatica, Università degli studi di Bari, Bari, Italy;LACAM, Dipartimento di Informatica, Università degli studi di Bari, Bari, Italy;LACAM, Dipartimento di Informatica, Università degli studi di Bari, Bari, Italy
Venue:
ILP'07 Proceedings of the 17th international conference on Inductive logic programming
Year:
2007

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Abstract

Several activities related to semantically annotated resources can be enabled by a notion of similarity, spanning from clustering to retrieval, matchmaking and other forms of inductive reasoning. We propose the definition of a family of semi-distances over the set of objects in a knowledge base which can be used in these activities. In the line of works on distance-induction on clausal spaces, the family is parameterized on a committee of concepts expressed with clauses. Hence, we also present a method based on the idea of simulated annealing to be used to optimize the choice of the best concept committee.