168 search results - page 11 / 34 » Comprehensive Optimization of Declarative Sensor Network Que... |
SIGMOD
2003
ACM
15 years 11 months ago
2003
ACM
We present an update on the status of the Cougar Sensor Database Project, in which we are investigating a database approach to sensor networks: Clients "program" the sen...
104
click to vote
PAM
2012
Springer
13 years 7 months ago
2012
Springer
Network administrators are faced with the increasingly challenging task of monitoring their network’s health in real time, drawing upon diverse and voluminous measurement data fe...
97
Voted
BNCOD
2008
15 years 1 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
125
click to vote
ADHOCNOW
2008
Springer
15 years 23 days ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
109
click to vote
WWW
2007
ACM
16 years 9 days 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 ...