179 search results - page 5 / 36 » Fixed-Point Query Languages for Linear Constraint Databases |
DANTE
1999
IEEE
13 years 12 months ago
1999
IEEE
Because performance is a crucial issue in database systems, data caching techniques have been studied in database research field, especially in client-server databases and distrib...
IV
2002
IEEE
14 years 16 days ago
2002
IEEE
In this paper a visual approach to querying in large spatial databases is presented. A diagrammatic technique utilising a data flow metaphor is used to express different kinds of...
ICDT
2003
ACM
14 years 24 days 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...
APIN
2002
13 years 7 months ago
2002
We develop the scheme of indefinite constraint databases using first-order logic as our representation language. When this scheme is instantiated with temporal constraints, the res...
RML
2002
13 years 7 months ago
2002
In E-commerce processes, various rules and constraints regarding product specifications, pricing, terms and conditions are exchanged between vendors and buyers. Developing a forma...