521 search results - page 78 / 105 » Answering Queries by Semantic Caches |
OTM
2005
Springer
15 years 3 months ago
2005
Springer
The relational algebra and calculus do not take the semantics of terms into account when answering queries. As a consequence, not all tuples that should be returned in response to ...
WEBDB
2010
Springer
15 years 2 months ago
2010
Springer
Tree patterns with full text search form the core of both XQuery Full Text and the NEXI query language. On such queries, users expect a relevance-ranked list of XML elements as an...
ICEIS
2002
IEEE
15 years 2 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
14 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 ...
PODS
2008
ACM
15 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...