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ICLP
1999
Springer

Event, Property, and Hierarchy in Order-Sorted Logic

10 years 8 months ago
Event, Property, and Hierarchy in Order-Sorted Logic
Knowledge representation in logics, even in the order-sorted logic that includes a sort hierarchy, tends to lose the conciseness and the nuances of natural language. If we could construct a logic that includes both predicates and terms as classes in the hierarchies, it would be very useful for connecting general knowledge to speci c knowledge. Although there are actually logics that are equipped with such a predicate hierarchy, they are built by logical implication and they cause the problem of predicate uni cation between di erent argument structures. In this paper, we present a logic language with a class hierarchy of predicates, where in the uni cation of predicates we devise a mechanism for deriving superordinate predicates in the hierarchy and for quantifying supplementary arguments. The arguments are quanti ed di erently, depending on whether a predicate is interpreted as an occurrence of an event or a universal property. Thus, we include the distinction between events and prope...
Ken Kaneiwa, Satoshi Tojo
Added 04 Aug 2010
Updated 04 Aug 2010
Type Conference
Year 1999
Where ICLP
Authors Ken Kaneiwa, Satoshi Tojo
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