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» Ontologies and Description Logics
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IJCAI
1997
15 years 7 months ago
A Causal Time Ontology for Qualitative Reasoning
Aiming at explicit description of temporal meaning of causal relations generated by qualitative reasoning systems, this article proposes a causal time ontology which defines a se...
Yoshinobu Kitamura, Mitsuru Ikeda, Riichiro Mizogu...
ENTCS
2006
117views more  ENTCS 2006»
15 years 6 months ago
Monadic Second-Order Logic and Transitive Closure Logics over Trees
Model theoretic syntax is concerned with studying the descriptive complexity of grammar formalisms for natural languages by defining their derivation trees in suitable logical for...
Hans-Jörg Tiede, Stephan Kepser
KDD
2004
ACM
150views Data Mining» more  KDD 2004»
16 years 7 months ago
A framework for ontology-driven subspace clustering
Traditional clustering is a descriptive task that seeks to identify homogeneous groups of objects based on the values of their attributes. While domain knowledge is always the bes...
Jinze Liu, Wei Wang 0010, Jiong Yang
ICWS
2004
IEEE
15 years 8 months ago
Logic-based Web Services Composition: From Service Description to Process Model
This paper introduces a method for automatic composition of Semantic Web services using Linear Logic (LL) theorem proving. The method uses Semantic Web service language (DAML-S) f...
Jinghai Rao, Peep Küngas, Mihhail Matskin
CORR
1998
Springer
103views Education» more  CORR 1998»
15 years 6 months ago
The descriptive complexity approach to LOGCFL
Building upon the known generalized-quantifier-based first-order characterization of LOGCFL, we lay the groundwork for a deeper investigation. Specifically, we examine subclass...
Clemens Lautemann, Pierre McKenzie, Thomas Schwent...