30 search results - page 1 / 6 » Maintaining time-decaying stream aggregates |
ICTCS
2005
Springer
13 years 10 months ago
2005
Springer
Abstract. We consider the problem of maintaining polynomial and exponential decay aggregates of a data stream, where the weight of values seen from the stream diminishes as time el...
SDM
2009
SIAM
14 years 2 months ago
2009
SIAM
Data stream analysis frequently relies on identifying correlations and posing conditional queries on the data after it has been seen. Correlated aggregates form an important examp...
ICDE
2009
IEEE
14 years 6 months ago
2009
IEEE
Temporal data analysis in data warehouses and data streaming systems often uses time decay to reduce the importance of older tuples, without eliminating their influence, on the res...
SIAMCOMP
2002
13 years 4 months ago
2002
We consider the problem of maintaining aggregates and statistics over data streams, with respect to the last N data elements seen so far. We refer to this model as the sliding wind...
TKDE
2010
13 years 3 months ago
2010
— The data management community has recently begun to consider declarative network routing and distributed acquisition: e.g., sensor networks that execute queries about contiguou...