617 search results - page 1 / 124 » Semantic queries in databases: problems and challenges |
CIKM
2009
Springer
13 years 8 months ago
2009
Springer
Supporting semantic queries in relational databases is essential to many advanced applications. Recently, with the increasing use of ontology in various applications, the need for...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
The XQuery formalization is an ongoing effort of the W3C XML Query working group to define a precise formal semantics for XQuery. This paper briefly introduces the current state o...
DBISP2P
2005
Springer
13 years 10 months ago
2005
Springer
In this paper, we present the use of semantic caching in the environment of schema-based super-peer networks. Different from traditional caching, semantic caching allows the answe...
ICDE
2006
IEEE
13 years 10 months ago
2006
IEEE
To realize the Semantic Web, it will be necessary to make existing database content available for emerging Semantic Web applications, such as web agents and services, which use on...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
We describe and evaluate a query minimization technique that applies to XQueries, which are nested, perform arbitrary joins, and freely mix bag and set semantics. These features c...