921 search results - page 117 / 185 » Abstract Matrix Arithmetic |
FOCS
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract— We consider the problem of estimating cascaded aggregates over a matrix presented as a sequence of updates in a data stream. A cascaded aggregate P ◦Q is defined by ...
SEMWEB
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. Similarity has become a classical tool for ontology confrontation motivated by alignment, mapping or merging purposes. In the definition of an ontologybased measure one ...
EWSN
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. In this paper, we consider the minimization of a relevant energy consumption related cost function in the context of sensor networks where correlated sources are generate...
ICA
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. We present an approach for blindly decomposing an observed random vector x into f(As) where f is a diagonal function i.e. f = f1 × . . . × fm with one-dimensional funct...
FOCS
2004
IEEE
14 years 18 days ago
2004
IEEE
Concurrent with recent theoretical interest in the problem of metric embedding, a growing body of research in the networking community has studied the distance matrix defined by n...