38 search results - page 6 / 8 » Spatio-Temporal Aggregation Using Sketches |
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
In Online Analytic Processing (OLAP) deployments, different users, lines of businesses and business units often create adhoc aggregation hierarchies tailor-made for specific report...
SIGMOD
2006
ACM
14 years 6 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
DKE
2006
13 years 6 months ago
2006
The last few years, there has been an extensive body of literature in data warehousing applications that primarily focuses on basket-type (transactional) data, common in retail in...
VLDB
1998
ACM
13 years 10 months ago
1998
ACM
Telecommunication networks process verylarge numbers of events in real time. In this environment, database applications demand both high throughput (at reasonable costs), and pred...
PODS
2011
ACM
12 years 9 months 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...