An extending description logic for action formalism in event ontology Online publication date: Sat, 24-May-2014
by Wei Liu; Wenjie Xu; Dong Wang; Xujie Zhang; Zongtian Liu
International Journal of Computational Science and Engineering (IJCSE), Vol. 9, No. 3, 2014
Abstract: Event-based ontology model is a new approach for the representation of human knowledge with a higher granularity. As the basic knowledge unit, event describes the specific facts which change over time, and actions involved in event are exactly used to represent these changing processes. There exists semantic information in action as well as rich semantic relations between different actions. Therefore, in order to describe and reason about event-based knowledge effectively, this paper firstly gives a framework of event ontology, and then proposes an action formalism based on extended description logic that could describe actions with temporal information. Furthermore, some reasoning tasks about action are discussed, such as the executability and projection of action, effects of action, etc. At last, a case study of social web verifies the feasibility of this method of knowledge representation.
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