578 search results - page 27 / 116 » The Importance of Aggregation |
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
Processing large data streams is now a major topic in data management. The data involved can be truly massive, and the required analyses complex. In a stream of sequential events ...
ICPP
2009
IEEE
14 years 2 months ago
2009
IEEE
—Clusters and applications continue to grow in size while their mean time between failure (MTBF) is getting smaller. Checkpoint/Restart is becoming increasingly important for lar...
SIGIR
2006
ACM
14 years 1 months ago
2006
ACM
Since the website is one of the most important organizational structures of the Web, how to effectively rank websites has been essential to many Web applications, such as Web sear...
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...