153 search results - page 19 / 31 » Situation Monitoring for Active Databases |
103
Voted
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
109
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KDD
2003
ACM
16 years 24 days ago
2003
ACM
Burst detection is the activity of finding abnormal aggregates in data streams. Such aggregates are based on sliding windows over data streams. In some applications, we want to mo...
93
Voted
RULES
1993
Springer
15 years 4 months ago
1993
Springer
There have been many recent research efforts on temporal databases for managing current and historical data and on active databases for monitoring real-world events as well as dat...
110
Voted
DASFAA
2009
IEEE
15 years 7 months ago
2009
IEEE
Abstract. The lack of flexibility is often seen as an inhibitor for the successful application of workflow technology. Many researchers have proposed different ways of addressin...
109
Voted
UCS
2007
Springer
2007
Springer
Instant Learning Sound Sensor: Flexible Real-World Event Recognition System for Ubiquitous Computing
15 years 6 months ago
We propose a smart sound sensor for building context-aware systems that instantly learn and detect events from various kinds of everyday sounds and environmental noise by using sma...