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INFOCOM
2009
IEEE
14 years 3 months ago
Tracking with Unreliable Node Sequences
—Tracking mobile targets using sensor networks is a challenging task because of the impacts of in-the-filed factors such as environment noise, sensing irregularity and etc. This...
Ziguo Zhong, Ting Zhu, Dan Wang, Tian He
SIGIR
2009
ACM
14 years 3 months ago
Building enriched document representations using aggregated anchor text
It is well known that anchor text plays a critical role in a variety of search tasks performed over hypertextual domains, including enterprise search, wiki search, and web search....
Donald Metzler, Jasmine Novak, Hang Cui, Srihari R...
FOCS
2008
IEEE
14 years 3 months ago
Submodular Approximation: Sampling-based Algorithms and Lower Bounds
We introduce several generalizations of classical computer science problems obtained by replacing simpler objective functions with general submodular functions. The new problems i...
Zoya Svitkina, Lisa Fleischer
ICRA
2008
IEEE
205views Robotics» more  ICRA 2008»
14 years 3 months ago
Minimum time point assignment for coverage by two constrained robots
— This paper focuses on the assignment of discrete points to two robots, in the presence of geometric and kinematic constraints between the robots. The individual points have dif...
Nilanjan Chakraborty, Srinivas Akella, John T. Wen
MMSP
2008
IEEE
144views Multimedia» more  MMSP 2008»
14 years 3 months ago
Spatiotemporal semantic video segmentation
—In this paper, we propose a framework to extend semantic labeling of images to video shot sequences and achieve efficient and semantic-aware spatiotemporal video segmentation. ...
Eric Galmar, Thanos Athanasiadis, Benoit Huet, Yan...