1000 search results - page 92 / 200 » Provenance for Aggregate Queries |
PERCOM
2008
ACM
14 years 9 months ago
2008
ACM
This paper identifies requirements for querying and accessing context information in mobile and pervasive computing environments. Furthermore it studies existing query languages s...
WECWIS
2009
IEEE
14 years 4 months ago
2009
IEEE
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...
MUE
2007
IEEE
14 years 4 months ago
2007
IEEE
With the developments of related techniques in telecommunication and computer sciences, wireless sensor networks have been used more and more widely. While sensor nodes in wireles...
MDM
2005
Springer
14 years 3 months ago
2005
Springer
In this paper we propose a query-driven approach for tuning the time/energy trade-off in sensor networks with mobile sensors. The tuning factors include re-positioning of mobile s...
DOLAP
2005
ACM
14 years 1 days ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...