6650 search results - page 693 / 1330 » Mutating database queries |
192
Voted
FUIN
2006
15 years 7 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
209
Voted
CORR
1999
Springer
15 years 7 months ago
1999
Springer
XML is becoming the most relevant new standard for data representation and exchange on the WWW. Novel languages for extracting and restructuring the XML content have been proposed...
198
Voted
WWW
2006
ACM
16 years 8 months ago
2006
ACM
An important issue arising from large scale data integration is how to efficiently select the top-K ranking answers from multiple sources while minimizing the transmission cost. T...
191
Voted
CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We propose a simple yet eective approach to context sensitive synonym discovery for Web search queries based on co-click analysis; i.e., analyzing queries leading to clicking sam...
193
click to vote
DAMON
2007
Springer
16 years 1 months ago
2007
Springer
We propose a general framework for improving the query processing performance on multi-level memory hierarchies. Our motivation is that (1) the memory hierarchy is an important pe...