34 search results - page 7 / 7 » pods 2009 |
MOBISYS
2009
ACM
14 years 5 months ago
2009
ACM
In this work, we study the security of public WLAN-based positioning systems. Specifically, we investigate the Skyhook positioning system, available on PCs and used on a number of...
FOCS
2009
IEEE
13 years 11 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 ...
MM
2009
ACM
13 years 11 months ago
2009
ACM
The computational power and sensory capabilities of mobile devices are increasing dramatically these days, rendering them suitable for real-time sound synthesis and various musica...
SEMWEB
2009
Springer
13 years 9 months ago
2009
Springer
This paper describes how to generate compositions of semantic Web services using social trust information from user ratings of the services. We present a taxonomy of features, suc...