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» An Ontology Based Visual Tool for Query Formulation Support
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SEMWEB
2009
Springer
14 years 3 months ago
Processing OWL2 Ontologies using Thea: An Application of Logic Programming
Traditional object-oriented programming languages can be difficult to use when working with ontologies, leading to the creation of domain-specific languages designed specifically...
Vangelis Vassiliadis, Jan Wielemaker, Chris Mungal...
VDB
1998
275views Database» more  VDB 1998»
13 years 10 months ago
Building Metaphors for Supporting User Interaction with Multimedia Databases
In this paper we discuss how metaphors for supporting user interaction with multimedia databases can be automatically generated. The work presented is a further step in the develo...
Maria Francesca Costabile, Donato Malerba, Matthia...
SIGIR
1996
ACM
14 years 22 days ago
A Deductive Data Model for Query Expansion
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
Kalervo Järvelin, Jaana Kristensen, Timo Niem...
PCI
2005
Springer
14 years 2 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...
UIST
2009
ACM
14 years 3 months ago
Relaxed selection techniques for querying time-series graphs
Time-series graphs are often used to visualize phenomena that change over time. Common tasks include comparing values at different points in time and searching for specified patte...
Christian Holz, Steven Feiner