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AAAI
2010
13 years 9 months ago
Fast Local Search Algorithm for Weighted Feedback Arc Set in Tournaments
We present a fast local search algorithm that finds an improved solution (if there is any) in the k-exchange neighborhood of the given solution to an instance of WEIGHTED FEEDBACK...
Fedor V. Fomin, Daniel Lokshtanov, Venkatesh Raman...
APBC
2007
110views Bioinformatics» more  APBC 2007»
13 years 9 months ago
Fast Structural Similarity Search Based on Topology String Matching
ibe an abstract data model of protein structures by representing the geometry of proteins using spatial data types and present a framework for fast structural similarity search bas...
Sung-Hee Park, David Gilbert, Keun Ho Ryu
CVPR
2010
IEEE
1413views Computer Vision» more  CVPR 2010»
14 years 4 months ago
Free-Shape Subwindow Search for Object Localization
Object localization in an image is usually handled by searching for an optimal subwindow that tightly covers the object of interest. However, the subwindows considered in previous ...
Zhiqi Zhang, Yu Cao, Dhaval Salvi, Kenton Oliver, ...
SIGIR
2009
ACM
14 years 2 months ago
Smoothing clickthrough data for web search ranking
Incorporating features extracted from clickthrough data (called clickthrough features) has been demonstrated to significantly improve the performance of ranking models for Web sea...
Jianfeng Gao, Wei Yuan, Xiao Li, Kefeng Deng, Jian...
PRL
2002
94views more  PRL 2002»
13 years 7 months ago
A hierarchical tag-graph search scheme with layered grammar rules for spontaneous speech understanding
It has always been difficult for language understanding systems to handle spontaneous speech with satisfactory robustness, primarily due to such problems as the fragments, disflue...
Bor-shen Lin, Berlin Chen, Hsin-Min Wang, Lin-Shan...