6846 search results - page 258 / 1370 » Querying a summary of database |
173
click to vote
DASFAA
2010
IEEE
15 years 6 months ago
2010
IEEE
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
202
click to vote
APPT
2003
Springer
15 years 11 months ago
2003
Springer
The increase number of mobile users in wireless environment affects query access time substantially. To minimise the query access time, one possible way is to employ data broadcast...
294
click to vote
SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Incomplete information arises naturally in numerous data management applications. Recently, several researchers have studied query processing in the context of incomplete informat...
278
click to vote
ICDE
2001
IEEE
16 years 8 months ago
2001
IEEE
Due to the ubiquity and popularity of XML, users often are in the following situation: they want to query XML documents which contain potentially interesting information but they ...
258
click to vote
SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...