946 search results - page 20 / 190 » Spatially-decaying aggregation over a network: model and alg... |
SIAMCOMP
2002
14 years 9 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...
KDD
2009
ACM
15 years 10 months ago
2009
ACM
We propose two approximation algorithms for identifying communities in dynamic social networks. Communities are intuitively characterized as "unusually densely knit" sub...
INFOCOM
2000
IEEE
15 years 1 months ago
2000
IEEE
Abstract-If data traffic were Poisson, increases in the amount of traffic aggregated on a network would rapidly decrease the relative size of bursts. The discovery of pervasive lon...
83
Voted
SODA
2003
ACM
14 years 11 months ago
2003
ACM
We consider the problem of finding efficient trees to send information from k sources to a single sink in a network where information can be aggregated at intermediate nodes in t...
ICDCSW
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— Online feedback-based rating systems are gaining popularity. Dealing with unfair ratings in such systems has been recognized as an important but difficult problem. Thi...