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EDBT
2002
ACM
188views Database» more  EDBT 2002»
14 years 9 months ago
Approximate Processing of Multiway Spatial Joins in Very Large Databases
Existing work on multiway spatial joins focuses on the retrieval of all exact solutions with no time limit for query processing. Depending on the query and data properties, however...
Dimitris Papadias, Dinos Arkoumanis
EDBT
2006
ACM
194views Database» more  EDBT 2006»
14 years 9 months ago
Hermes - A Framework for Location-Based Data Management
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...
Nikos Pelekis, Yannis Theodoridis, Spyros Vosinaki...
MOBISYS
2007
ACM
14 years 8 months ago
Universal real-time navigational assistance (URNA): an urban bluetooth beacon for the blind
We describe a complete hardware/software system, dubbed Universal Real-Time Navigational Assistance (URNA), which enables communication of relevant location-aware information to a...
S. Bohonos, A. Lee, A. Malik, C. Thai, Roberto Man...
GLOBECOM
2009
IEEE
14 years 3 months ago
QOMB: A Wireless Network Emulation Testbed
—In this paper we present QOMB, a testbed we designed and implemented for the evaluation of wireless network systems, protocols and applications. The testbed uses the wireless ne...
Razvan Beuran, Lan Tien Nguyen, Toshiyuki Miyachi,...
RTCSA
2009
IEEE
14 years 3 months ago
Multi-path Planning for Mobile Element to Prolong the Lifetime of Wireless Sensor Networks
Mobile elements, which can traverse the deployment area and convey the observed data from static sensor nodes to a base station, have been introduced for energy efficient data co...
Dakai Zhu, Yifeng Guo, Ali Saman Tosun