1179 search results - page 90 / 236 » Query Containment for Data Integration Systems |
IPAW
2010
13 years 6 months ago
2010
The World Wide Web evolves into a Web of Data, a huge, globally distributed dataspace that contains a rich body of machineprocessable information from a virtually unbound set of pr...
EDBT
1998
ACM
14 years 1 months ago
1998
ACM
Abstract. HySpirit is a retrieval engine for hypermedia retrieval integrating concepts from information retrieval (IR) and deductive databases. The logical view on IR models retrie...
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
SSDBM
2008
IEEE
14 years 3 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
WISE
2000
Springer
14 years 1 months ago
2000
Springer
In this paper, we present a web-based architecture of a spatiotemporal video data management system, which can accommodate a wide range of activities by various types of users. Be...