249 search results - page 7 / 50 » Online Aggregation |
APWEB
2006
Springer
14 years 5 days ago
2006
Springer
Nowadays, the rapid advances in wireless communications, positioning techniques and mobile devices enable location based service such as dynamic traffic navigation. Yet, it is a ch...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Aggregate monitoring over data streams is attracting more and more attention in research community due to its broad potential applications. Existing methods suffer two problems, 1...
DMTCS
2010
13 years 5 months ago
2010
This paper studies the fundamental trade-off between communication cost and delay cost arising in various contexts such as control message aggregation or organization theory. An o...
ICDE
2008
IEEE
14 years 9 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...