2063 search results - page 32 / 413 » Containment of Aggregate Queries |
AIA
2006
13 years 11 months ago
2006
Time series data is usually stored and processed in the form of discrete trajectories of multidimensional measurement points. In order to compare the measurements of a query traje...
VLDB
2009
ACM
14 years 10 months ago
2009
ACM
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Aggregate measures summarizing subsets of data are valuable in exploratory analysis and decision support, especially when dependent aggregations can be easily specified and compute...
PODS
2011
ACM
13 years 21 days ago
2011
ACM
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
KDD
2008
ACM
14 years 10 months ago
2008
ACM
There is an exploding amount of user-generated content on the Web due to the emergence of "Web 2.0" services, such as Blogger, MySpace, Flickr, and del.icio.us. The part...