1681 search results - page 328 / 337 » Semantic Web and Knowledge Representation |
KR
2000
Springer
14 years 1 months ago
2000
Springer
When reasoning in description, modal or temporal logics it is often useful to consider axioms representing universal truths in the domain of discourse. Reasoning with respect to a...
WWW
2005
ACM
14 years 10 months ago
2005
ACM
Message hierarchies in web discussion boards grow with new postings. Threads of messages evolve as new postings focus within or diverge from the original themes of the threads. Th...
CIKM
2004
Springer
14 years 3 months ago
2004
Springer
It is crucial in many information systems to organize short text segments, such as keywords in documents and queries from users, into a well-formed topic hierarchy. In this paper,...
FOIS
2006
13 years 11 months ago
2006
Abstract. Some events recur, and some happen only once. Galton refers to the latter as "once-only" events [1]. In a first-order logic of events that makes a type-token di...
IJCAI
2003
13 years 11 months ago
2003
Dynamic Bayesian networks (DBNs) offer an elegant way to integrate various aspects of language in one model. Many existing algorithms developed for learning and inference in DBNs ...