254 search results - page 28 / 51 » Perspectives on ontology-based querying |
AICOM
2004
13 years 7 months ago
2004
Abstract. We address the problem of answering queries using expressive symmetric inter-schema constraints which allow to establish mappings between several heterogeneous informatio...
PKDD
1998
Springer
13 years 11 months ago
1998
Springer
Knowledge discovery in databases (KDD) is a process that can include steps like forming the data set, data transformations, discovery of patterns, searching for exceptions to a pat...
DOLAP
2005
ACM
13 years 9 months ago
2005
ACM
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
P2P
2003
IEEE
14 years 26 days ago
2003
IEEE
Peer-to-peer computing paradigm is emerging as a scalable and robust model for sharing media objects. In this paper, we propose an architecture and describe the associated algorit...
BTW
2003
Springer
14 years 25 days ago
2003
Springer
Abstract: In this paper, we study adaptive evaluation techniques for querying XMLbased electronic catalogs, and show, by means of experiments performed on real-world catalogs, that...