1059 search results - page 103 / 212 » Improving Semantic Query Answering |
ICEIS
2002
IEEE
14 years 3 months ago
2002
IEEE
: This work describes the features of the DOMINO (Database fOr MovINg Objects) system, which brings several novelties to the problem of managing moving objects databases. Our robus...
SEBD
2004
13 years 11 months ago
2004
In this paper we give an overview of the coDB semantically well-founded P2P DB system. A network of databases, possibly with different schemas, are interconnected by means of GLAV ...
ACSC
2004
IEEE
14 years 2 months ago
2004
IEEE
Given the rate of growth of the Web, scalability of search engines is a key issue, as the amount of hardware and network resources needed is large, and expensive. In addition, sea...
PODS
2008
ACM
14 years 10 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
SSDBM
2002
IEEE
14 years 3 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...