2674 search results - page 382 / 535 » Data Models and Query Languages for Spatial Databases |
160
click to vote
CIDR
2007
15 years 8 months ago
2007
We propose a radical approach to relational query processing that aims at automatically and consistently achieving a good performance on any memory hierarchy. We believe this auto...
158
click to vote
ICDT
2007
ACM
16 years 18 days ago
2007
ACM
Abstract. In many cases, users may want to consider incomplete answers to their queries. Often, however, there is an overwhelming number of such answers, even if subsumed answers a...
206
click to vote
VLDB
2004
ACM
15 years 11 months ago
2004
ACM
In this paper, we address the problem of designing a scalable, accurate query processor for peerto-peer filesharing and similar distributed keyword search systems. Using a global...
174
click to vote
CIDR
2003
15 years 7 months ago
2003
It has frequently been observed that most of the world’s data lies outside database systems. The reason is that database systems focus on structured data, leaving the unstructur...
197
click to vote
DAWAK
2006
Springer
15 years 10 months ago
2006
Springer
More and more integration systems use ontologies to solve the problem of semantic heterogeneities between autonomous databases. To automate the integration process, a number of the...