714 search results - page 86 / 143 » Continuous Processing of Preference Queries in Data Streams |
TKDE
2008
13 years 8 months ago
2008
With the advance of hardware and communication technologies, stream time series is gaining ever-increasing attention due to its importance in many applications such as financial da...
TKDE
2008
13 years 8 months ago
2008
We propose a novel approach based on predictive quantization (PQ) for online summarization of multiple time-varying data streams. A synopsis over a sliding window of most recent en...
ICDCS
2005
IEEE
14 years 2 months ago
2005
IEEE
Database queries, in particular, event-driven continuous queries, are useful for many pervasive computing applications, such as video surveillance. In order to enable these applic...
VLDB
2002
ACM
13 years 8 months ago
2002
ACM
Skyline queries ask for a set of interesting points from a potentially large set of data points. If we are traveling, for instance, a restaurant might be interesting if there is n...
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
Data stream management systems usually have to process many long-running queries that are active at the same time. Multiple queries can be evaluated more efficiently together tha...