2574 search results - page 22 / 515 » Typed Query Languages for Databases Containing Queries |
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
With the growth of the Web, there has been a rapid increase in the number of users who need to access online databases without having a detailed knowledge of the schema or of quer...
ICDT
2003
ACM
14 years 1 months ago
2003
ACM
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
SAC
2002
ACM
13 years 8 months ago
2002
ACM
We have in a previous paper introduced the new query operators that are needed in order to support an XML query language that supports temporal operations. The query operators mak...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
ACMSE
2007
ACM
14 years 20 days ago
2007
ACM
Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...