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SIGMOD
2002
ACM
114views Database» more  SIGMOD 2002»
16 years 4 months ago
Time-parameterized queries in spatio-temporal databases
Time-parameterized queries (TP queries for short) retrieve (i) the actual result at the time that the query is issued, (ii) the validity period of the result given the current mot...
Yufei Tao, Dimitris Papadias
GLOBECOM
2009
IEEE
15 years 11 months ago
On Spectrum Selection Games in Cognitive Radio Networks
Abstract—Cognitive Radio Networks aim at enhancing spectrum utilization by allowing cognitive devices to opportunistically access vast portions of the spectrum. To reach such amb...
Ilaria Malanchini, Matteo Cesana, Nicola Gatti
ICC
2009
IEEE
107views Communications» more  ICC 2009»
15 years 11 months ago
Dynamic Resource Modeling for Heterogeneous Wireless Networks
— High variability of access resources in heterogenous wireless networks and limited computing power and battery life of mobile computing devices such as smartphones call for nov...
Dimitrios Tsamis, Tansu Alpcan, Jatinder Pal Singh...
ICRA
2009
IEEE
138views Robotics» more  ICRA 2009»
15 years 11 months ago
Which landmark is useful? Learning selection policies for navigation in unknown environments
Abstract— In general, a mobile robot that operates in unknown environments has to maintain a map and has to determine its own location given the map. This introduces significant...
Hauke Strasdat, Cyrill Stachniss, Wolfram Burgard
ISCC
2008
IEEE
152views Communications» more  ISCC 2008»
15 years 10 months ago
Efficient delivery of MBMS multicast traffic over HSDPA
Multimedia Broadcast/Multicast Service (MBMS) and High-Speed Downlink Packet Access (HSDPA) are two key technologies that constitute a significant step towards the Mobile Broadban...
Antonios G. Alexiou, Christos Bouras, Evangelos Re...