238 search results - page 20 / 48 » The Data Cyclotron query processing scheme |
SAC
2008
ACM
13 years 9 months ago
2008
ACM
Skyline queries are important due to their usefulness in many application domains. However, by increasing the number of attributes, the probability that a tuple dominates another ...
DAMON
2006
Springer
14 years 1 months ago
2006
Springer
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...
SIGMOD
2010
ACM
14 years 2 months ago
2010
ACM
Providing scalable database services is an essential requirement for extending many existing applications of the Cloud platform. Due to the diversity of applications, database ser...
SIGMOD
2008
ACM
14 years 10 months ago
2008
ACM
Recently, skyline queries have attracted much attention in the database research community. Space partitioning techniques, such as recursive division of the data space, have been ...
SSDBM
2002
IEEE
14 years 2 months ago
2002
IEEE
In this paper, we study the effects of compression on bitmap indexes. The main operations on the bitmaps during query processing are bitwise logical operations such as AND, OR, N...