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CIKM
2007
Springer
14 years 11 days ago
A fast unified optimal route query evaluation algorithm
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...
Edward P. F. Chan, Jie Zhang
GIS
2010
ACM
13 years 7 months ago
Location disambiguation in local searches using gradient boosted decision trees
Local search is a specialization of the web search that allows users to submit geographically constrained queries. However, one of the challenges for local search engines is to un...
Ritesh Agrawal, James G. Shanahan
TMC
2010
138views more  TMC 2010»
13 years 6 months ago
Reliable Anchor-Based Sensor Localization in Irregular Areas
—Localization is a fundamental problem in wireless sensor networks and its accuracy impacts the efficiency of location-aware protocols and applications, such as routing and stora...
Bin Xiao, Lin Chen, Qingjun Xiao, Minglu Li
GIS
2008
ACM
13 years 9 months ago
Heuristic algorithms for route-search queries over geographical data
In a geographical route search, given search terms, the goal is to find an effective route that (1) starts at a given location, (2) ends at a given location, and (3) travels via...
Yaron Kanza, Eliyahu Safra, Yehoshua Sagiv, Yerach...
MVA
2007
230views Computer Vision» more  MVA 2007»
13 years 9 months ago
A Rear Vehicle Location Algorithm for Lane Change Assist
A monocular vision based location algorithm is presented to detect and track rear vehicles for lane change assist. The algorithm uses the shadow underneath the vehicle to extract ...
Wei Liu, Chunyan Song, Pengyu Fu, Nan Wang, Huai Y...