Sciweavers

1191 search results - page 190 / 239
» A Defeasible Ontology Language
Sort
View
CAISE
2006
Springer
15 years 5 months ago
An Infrastructure for Building Semantic Web Portals
One important task of semantic web portals is to offer both end users and applications a seamless access to knowledge contained in heterogeneous data sources in specific user commu...
Yuangui Lei, Vanessa Lopez, Enrico Motta
CIKM
2006
Springer
15 years 5 months ago
Information retrieval from relational databases using semantic queries
Relational databases are widely used today as a mechanism for providing access to structured data. They, however, are not suitable for typical information finding tasks of end use...
Anand Ranganathan, Zhen Liu
ESWS
2006
Springer
15 years 5 months ago
Automatic Extraction of Hierarchical Relations from Text
Abstract. Automatic extraction of semantic relationships between entity instances in an ontology is useful for attaching richer semantic metadata to documents. In this paper we pro...
Ting Wang, Yaoyong Li, Kalina Bontcheva, Hamish Cu...
ISEMANTICS
2010
15 years 3 months ago
Issues in expressing metadata application profiles with description logics and OWL 2
This paper gives an account of how traditional metadata application profiles are related to Web ontologies and Description Logics. It is shown that metadata profiles can be formal...
Dimitrios A. Koutsomitropoulos, Georgia D. Solomou
LREC
2010
125views Education» more  LREC 2010»
15 years 3 months ago
Ontology-based Interoperation of Linguistic Tools for an Improved Lemma Annotation in Spanish
In this paper, we present an ontology-based methodology and architecture for the comparison, assessment, combination (and, to some extent, also contrastive evaluation) of the resu...
Antonio Pareja-Lora, Guadalupe Aguado de Cea