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» Constraints over Ontologies
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COLING
2010
13 years 3 months ago
Expressing OWL axioms by English sentences: dubious in theory, feasible in practice
With OWL (Web Ontology Language) established as a standard for encoding ontologies on the Semantic Web, interest has begun to focus on the task of verbalising OWL code in controll...
Richard Power, Allan Third
SDM
2009
SIAM
105views Data Mining» more  SDM 2009»
14 years 6 months ago
Exploiting Semantic Constraints for Estimating Supersenses with CRFs.
The annotation of words and phrases by ontology concepts is extremely helpful for semantic interpretation. However many ontologies, e.g. WordNet, are too fine-grained and even hu...
Gerhard Paaß, Frank Reichartz
BIOSTEC
2008
148views Healthcare» more  BIOSTEC 2008»
13 years 10 months ago
Representing and Reasoning with Temporal Constraints in Clinical Trials Using Semantic Technologies
Clinical trial protocols include schedule of clinical trial activities such as clinical tests, procedures, and medications. The schedule specifies temporal constraints on the seque...
Ravi D. Shankar, Susana B. Martins, Martin J. O'Co...
COLING
2002
13 years 8 months ago
A DAML+OIL-Compliant Chinese Lexical Ontology
This paper presents an ongoing task that will construct a DAML+OIL-compliant Chinese Lexical Ontology. The ontology mainly comprises three components: a hierarchical taxonomy cons...
Yu-Sheng Lai, Ren-Jr Wang, Wei-Tek Hsu
RTA
2000
Springer
14 years 13 days ago
Parallelism Constraints
Parallelism constraints are logical descriptions of trees. Parallelism constraints subsume dominance constraints and are equal in expressive power to context unification. Paralleli...
Katrin Erk, Joachim Niehren