949 search results - page 4 / 190 » Design and Implementation of Multi-scale Databases |
IDEAS
1998
IEEE
13 years 11 months ago
1998
IEEE
We develop an infrastructure for managing, indexing and serving multimedia content in digital libraries. This infrastructure follows the model of the web, and thereby is distribut...
ICDE
2003
IEEE
14 years 9 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
DEXAW
1999
IEEE
13 years 12 months ago
1999
IEEE
Web based systems have been shown to be useful tools for supporting educational communication for teachers and students. In this paper we present such a system, which is an Integr...
VLDB
1989
ACM
13 years 11 months ago
1989
ACM
Deductive conceptualmodels(DCMs) aim at providing a complete specification of information systems,expressing only its logic component.It hasbeenshownthatDCMs have some advantagesw...
SIGMOD
1996
ACM
13 years 11 months ago
1996
ACM
While much recent research has focussed on extending databases beyond the traditional relational model, relatively little has been done to develop database tools for querying data...