598 search results - page 13 / 120 » Extracting Ontologies from Relational Databases |
LREC
2008
14 years 11 months ago
2008
Automated extraction of ontological knowledge from text corpora is a relevant task in Natural Language Processing. In this paper, we focus on the problem of finding hypernyms for ...
CIKM
2009
Springer
15 years 1 months ago
2009
Springer
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
SSDBM
2002
IEEE
15 years 2 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...
SOFTWARE
2002
14 years 9 months ago
2002
We consider the problem of characterisation of sequences of heterogeneous symbolic data that arise from a common underlying temporal pattern. The data, which are subject to impreci...
ACL
2000
14 years 11 months ago
2000
This paper reports the first part of a project that aims to develop a knowledge extraction and knowledge discovery system that extracts causal knowledge from textual databases. In...