38 search results - page 3 / 8 » A General Method for Estimating Correlated Aggregates over a... |
CIKM
2010
Springer
13 years 4 months ago
2010
Springer
This paper proposes a ranking method to exploit statistical correlations among pairs of attribute values in relational databases. For a given query, the correlations of the query ...
PODC
2006
ACM
14 years 6 days ago
2006
ACM
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
SIAMCOMP
2002
13 years 5 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...
ICIP
1998
IEEE
14 years 7 months ago
1998
IEEE
Generalized multiple description coding (GMDC) is source coding for multiple channels such that a decoder which receives an arbitrary subset of the channels may produce a useful r...
SIGMOD
2008
ACM
14 years 6 months ago
2008
ACM
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...