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CSI
2006
66views more  CSI 2006»
14 years 9 months ago
An ontological approach to describe the SQL: 2003 object-relational features
Coral Calero, Francisco Ruiz, Aline Lúcia B...
SAC
2003
ACM
15 years 2 months ago
WebSOGO: A Global Ontology for Describing Web Sources
Based on the limitations raised by existing approaches in the context of the Semantic Web, we propose a formalism, Web Sources Global Ontology (WebSOGO), a data meta-model for the...
Edna Ruckhaus, Maria-Esther Vidal
BNCOD
2003
97views Database» more  BNCOD 2003»
14 years 11 months ago
ProSQL: A Prototyping Tool for SQL Temporal Language Extensions
This paper describes ProSQL, a novel prototyping tool to support the development of extensions to SQL. ProSQL provides a simple way to prototype the features of a proposed extensio...
James Green, Roger Johnson
ICDE
2003
IEEE
117views Database» more  ICDE 2003»
15 years 11 months ago
Design and Implementation of a Temporal Extension of SQL
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
Cindy Xinmin Chen, Jiejun Kong, Carlo Zaniolo
ICIP
2003
IEEE
15 years 11 months ago
An ontology approach to object-based image retrieval
In this paper, an image retrieval methodology suited for search in large collections of heterogeneous images is presented. The proposed approach employs a fully unsupervised segme...
Vasileios Mezaris, Ioannis Kompatsiaris, Michael G...