67 search results - page 7 / 14 » Computing Join Aggregates over Private Tables |
94
Voted
ICDE
2010
IEEE
15 years 3 months ago
2010
IEEE
— When a database system is extended with the skyline operator, it is important to determine the most efficient way to execute a skyline query across tables with join operations...
94
Voted
SSDBM
2008
IEEE
15 years 4 months ago
2008
IEEE
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
99
Voted
ICAS
2009
IEEE
15 years 5 months ago
2009
IEEE
Aggregation of data values plays an important role on distributed computations, in particular over peer-to-peer and sensor networks, as it can provide a summary of some global sys...
98
Voted
CIKM
2008
Springer
15 years 7 days ago
2008
Springer
The standard SQL assumes that the users are aware of all tables and their schemas to write queries. This assumption may be valid when the users deal with a relatively small number...
76
Voted
VLDB
2001
ACM
15 years 2 months ago
2001
ACM
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...