2546 search results - page 60 / 510 » Managing long-running queries |
273
click to vote
ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
In many modern data management settings, data is queried from a central node or nodes, but is stored at remote sources. In such a setting it is common to perform "pushstyle&qu...
150
click to vote
PODS
2006
ACM
16 years 6 months ago
2006
ACM
The query equivalence problem has been studied extensively for set-semantics and, more recently, for bag-set semantics. However, SQL queries often combine set and bag-set semantic...
160
click to vote
ICEIS
2009
IEEE
16 years 29 days ago
2009
IEEE
Today XML is an essential technology for knowledge management within enterprises and dissemination of data over the Web. Therefore the efficient evaluation of XML queries has been ...
183
click to vote
CIKM
2009
Springer
16 years 27 days ago
2009
Springer
The skyline operator was first proposed in 2001 for retrieving interesting tuples from a dataset. Since then, 100+ skyline-related papers have been published; however, we discove...
144
click to vote
WAIM
2004
Springer
15 years 11 months ago
2004
Springer
A top-N selection query against a relation is to find the N tuples that satisfy the query condition the best but not necessarily completely. In this paper, we propose a new method ...