International Business Machines Corporation

Patrick Haim

Aruna Yedavilli

Tom Odd Rojahn

Freddy Lorge

Matthew A Pantland

An approach is presented for determining a value of an association between first and second ontologies, Sand S. A first bridge of Swith Sis generated. A schema S' is created from sub-schema S extracted from the first bridge by removing common concepts and relationships to the common concepts, and for each common concept to which first and second concepts have immediate links in S, by creating a new immediate link in S&#x2032; between the first and second concepts. Based on an intrinsic value of S&#x2032; and a strength of the bridge of Swith S, a value of the first bridge is determined. Similarly, a value of a second bridge of Swith Sis determined. A value of the association between Sand Sis determined based on a sum of the values of the first and second bridges.

Determining the value of an association between ontologies

An approach is presented for determining a value of a bridge of a first ontology schema (S1) with a second ontology schema (S2). A bridge of S1 with S2 is generated. A sub-schema S is extracted from the bridge of S1 with S2. A schema S' is created from S by removing common concepts and relationships to the common concepts, and for each common concept to which first and second concepts have immediate links in S, by creating a new immediate link in S&#x2032; between the first and second concepts. An intrinsic value of S&#x2032; and a strength of a bridge of S1 with S are determined. Based on the intrinsic value of S&#x2032; and the strength of the bridge of S1 with S, the value of the bridge of S1 with S2 is determined.

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Pietrebais, Belgium

Patrick Haim