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» Query Management in a Sensor Environment
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MONET
2002
95views more  MONET 2002»
13 years 7 months ago
On Improving the Performance of Cache Invalidation in Mobile Environments
Many cache management schemes designed for mobile environments are based on invalidation reports (IRs). However, IR-based approach suffers from long query latency and it cannot eff...
Guohong Cao
INFOSCALE
2009
ACM
14 years 10 days ago
CAWA: Continuous Approximate Where-About Queries
With the current proliferation of wireless networks and mobile device technologies, the management of moving object databases to facilitate queries over these domains has been exte...
Alexander J. Aved, Kien A. Hua, Antoniya Petkova
ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
14 years 1 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt
WICON
2008
13 years 9 months ago
Efficient XML usage within wireless sensor networks
Integrating wireless sensor networks in heterogeneous networks is a complex task. A reason is the absence of a standardized data exchange format that is supported in all participa...
Nils Hoeller, Christoph Reinke, Jana Neumann, Sven...
DMSN
2006
ACM
13 years 11 months ago
Efficient handling of sensor failures
Sensors provide unprecedented access to a wealth of information from the physical environment in real-time. However, they suffer from a variety of resource limitations, most impor...
Andreea Berfield, Panos K. Chrysanthis, Alexandros...