805 search results - page 54 / 161 » Spatial queries in sensor networks |
ADHOCNOW
2008
Springer
13 years 10 months ago
2008
Springer
This paper presents a novel method for optimizing sliding window based continuous queries. We deal with two categories of aggregation operations: stepwise aggregation (e.g. COUNT) ...
GIS
2010
ACM
13 years 7 months ago
2010
ACM
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
DMSN
2005
ACM
13 years 11 months ago
2005
ACM
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
MOBIDE
2006
ACM
14 years 2 months ago
2006
ACM
The representation of moving objects in spatial database systems has become an important research topic in recent years. As it is not realistic to track and store the location of ...
ICDCS
2007
IEEE
14 years 3 months ago
2007
IEEE
