Sciweavers

1125 search results - page 109 / 225
» Knowledge-based semantic clustering
Sort
View
ACIIDS
2009
IEEE
122views Database» more  ACIIDS 2009»
15 years 11 months ago
Student Modelling Based on Ontologies
— In this paper I show how ontologies support the student modelling through the semantic definition of concepts that depict a student. The aim is to outline the framework for bui...
Alejandro Peña Ayala
DEXAW
2002
IEEE
99views Database» more  DEXAW 2002»
15 years 11 months ago
Using Preference Order in Ontologies
The latest ontology languages can be translated into a description logic (DL), thus providing them with a formal semantics and associated reasoning procedures. We introduce the or...
Stijn Heymans, Dirk Vermeir
KDD
1994
ACM
116views Data Mining» more  KDD 1994»
15 years 10 months ago
Exception Dags as Knowledge Structures
: The problem of transforming the knowledge bases of performance systems using induced rules or decision trees into comprehensible knowledgestructures is addressed. A knowledgestru...
Brian R. Gaines
ASWC
2006
Springer
15 years 10 months ago
Dental Decision Making on Missing Tooth Represented in an Ontology and Rules
The Web Ontology Language (OWL), which is a Description Logic based ontology language, is widely used to represent formal definitions of vocabularies for domain knowledge, especial...
Seon Gyu Park, Hong-Gee Kim
DLOG
2007
15 years 8 months ago
Modal Logic Applied to Query Answering and the Case for Variable Modalities
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...
Evgeny Zolin