3225 search results - page 50 / 645 » Query Optimization by Stored Queries |
SEMWEB
2007
Springer
14 years 2 months ago
2007
Springer
Semantic Web databases allow efficient storage and access to RDF statements. Applications are able to use expressive query languages in order to retrieve relevant metadata to perfo...
CIDR
2007
13 years 10 months ago
2007
In this paper, we present a free-and-easy data publishing and sharing system based on folksonomy. The system accepts data objects described with user-created metadata, called data...
PODS
2009
ACM
14 years 9 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
RTDB
1996
13 years 10 months ago
1996
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
DEXAW
2004
IEEE
14 years 13 days ago
2004
IEEE
The Web is moving to a new generation in which machine-understandable processing is mandatory. In order to achieve this goal it is essential to define ontologies which enable the ...