485 search results - page 31 / 97 » Processing complex aggregate queries over data streams |
138
Voted
ICDE
2006
IEEE
15 years 6 months ago
2006
IEEE
We consider the problem of query optimization in distributed stream based systems where multiple continuous queries may be executing simultaneously. In such systems, distribution ...
138
Voted
JCST
2008
15 years 14 days ago
2008
Detecting duplicates in data streams is an important problem that has a wide range of applications. In general, precisely detecting duplicates in an unbounded data stream is not fe...
101
Voted
STACS
2007
Springer
15 years 6 months ago
2007
Springer
We consider the problem of maintaining aggregates over recent elements of a massive data stream. Motivated by applications involving network data, we consider asynchronous data str...
111
Voted
TKDE
1998
15 years 4 days ago
1998
—This paper describes a unified data model that represents multimedia, timeline, and simulation data utilizing a single set of related data modeling constructs. A uniform model f...
126
Voted
SDM
2007
SIAM
15 years 1 months ago
2007
SIAM
Topic modeling techniques have widespread use in text data mining applications. Some applications use batch models, which perform clustering on the document collection in aggregat...