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GISCIENCE
2010
Springer
192views GIS» more  GISCIENCE 2010»
13 years 11 months ago
Automatic Extraction of Destinations, Origins and Route Parts from Human Generated Route Directions
Researchers from the cognitive and spatial sciences are studying text descriptions of movement patterns in order to examine how humans communicate and understand spatial informatio...
Xiao Zhang, Prasenjit Mitra, Alexander Klippel, Al...
ML
2008
ACM
13 years 9 months ago
A linear fit gets the correct monotonicity directions
Let f be a function on Rd that is monotonic in every variable. There are 2d possible assignments to the directions of monotonicity (two per variable). We provide sufficient condit...
Malik Magdon-Ismail, Joseph Sill
GLOBECOM
2009
IEEE
14 years 4 months ago
Distributed Target Tracking with Directional Binary Sensor Networks
—One of the most common and important applications of wireless sensor networks is target tracking. We study it in its most basic form, assuming the binary sensing model in which ...
Zijian Wang, Eyuphan Bulut, Boleslaw K. Szymanski
ICC
2008
IEEE
139views Communications» more  ICC 2008»
14 years 4 months ago
Practical Routing and Channel Assignment Scheme for Mesh Networks with Directional Antennas
Abstract— Wireless Mesh Network (WMN) has been recognized as one of the promising technologies to provide wireless broadband access. In addition to the multi-radio multi-channel ...
Wei Zhou, Xi Chen, Daji Qiao
SIGIR
2008
ACM
13 years 9 months ago
Directly optimizing evaluation measures in learning to rank
One of the central issues in learning to rank for information retrieval is to develop algorithms that construct ranking models by directly optimizing evaluation measures used in i...
Jun Xu, Tie-Yan Liu, Min Lu, Hang Li, Wei-Ying Ma