Sciweavers

412 search results - page 67 / 83
» Aggregate queries over ontologies
Sort
View
110
Voted
SAC
2006
ACM
15 years 6 months ago
Ontology-based integration for relational databases
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
Dejing Dou, Paea LePendu
134
Voted
PCI
2005
Springer
15 years 5 months ago
A Graphical Rule Authoring Tool for Defeasible Reasoning in the Semantic Web
Defeasible reasoning is a rule-based approach for efficient reasoning with incomplete and inconsistent information. Such reasoning is useful for many applications in the Semantic W...
Nick Bassiliades, Efstratios Kontopoulos, Grigoris...
RULEML
2004
Springer
15 years 5 months ago
A Defeasible Logic Reasoner for the Semantic Web
Abstract. Defeasible reasoning is a rule-based approach for efficient reasoning with incomplete and inconsistent information. Such reasoning is, among others, useful for ontology i...
Nick Bassiliades, Grigoris Antoniou, Ioannis P. Vl...
167
Voted
GIS
2009
ACM
16 years 1 months ago
Custom Local Search
Many popular online services provide "local" or "yellow-pages" search, but none of them allow users to customize the search over user-specified data. Instead, ...
Naren Datha, Tanuja Joshi, Joseph Joy, Vibhuti S. ...
ICDT
1997
ACM
138views Database» more  ICDT 1997»
15 years 4 months ago
Tractable Iteration Mechanisms for Bag Languages
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
Latha S. Colby, Leonid Libkin