176 search results - page 27 / 36 » Answering aggregate queries in data exchange |
MIG
2009
Springer
14 years 2 months ago
2009
Springer
There are various techniques for simulating crowds, however, in most cases the quality of the simulation is measured by examining its “look-and-feel”. Even if the aggregate mov...
VLDB
2007
ACM
14 years 10 months ago
2007
ACM
The modeling of high level semantic events from low level sensor signals is important in order to understand distributed phenomena. For such content-modeling purposes, transformat...
ICC
2007
IEEE
14 years 4 months ago
2007
IEEE
— In contrast to the traditional wireless sensor network (WSN) applications that perform only data collection and aggregation, new generation of information processing applicatio...
ICDE
2009
IEEE
14 years 11 months ago
2009
IEEE
XML streams, such as RSS feeds or complex event streams, are becoming increasingly pervasive as they provide the foundation for a wide range of emerging applications. An important...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Recently, as more and more social network data has been published in one way or another, preserving privacy in publishing social network data becomes an important concern. With som...