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» On Bisectors for Different Distance Functions
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JIS
2006
96views more  JIS 2006»
14 years 11 months ago
A study of the effect of term proximity on query expansion
Query expansion terms are often used to enhance original query formulations in document retrieval. Such terms are usually selected from the entire documents or from windows or pas...
Olga Vechtomova, Ying Wang
105
Voted
TIP
2002
146views more  TIP 2002»
14 years 11 months ago
Tracking nonparameterized object contours in video
We propose a new method for contour tracking in video. The inverted distance transform of the edge map is used as an edge indicator function for contour detection. Using the concep...
Hieu Tat Nguyen, Marcel Worring, Rein van den Boom...
119
Voted
CORR
2010
Springer
158views Education» more  CORR 2010»
14 years 8 months ago
Counting in Graph Covers: A Combinatorial Characterization of the Bethe Entropy Function
We present a combinatorial characterization of the Bethe entropy function of a factor graph, such a characterization being in contrast to the original, analytical, definition of th...
Pascal O. Vontobel
91
Voted
BMCBI
2005
87views more  BMCBI 2005»
14 years 11 months ago
ProfNet, a method to derive profile-profile alignment scoring functions that improves the alignments of distantly related protei
Background: Profile-profile methods have been used for some years now to detect and align homologous proteins. The best such methods use information from the background distributi...
Tomas Ohlson, Arne Elofsson
BMCBI
2010
153views more  BMCBI 2010»
14 years 11 months ago
Analysis of substructural variation in families of enzymatic proteins with applications to protein function prediction
Background: Structural variations caused by a wide range of physico-chemical and biological sources directly influence the function of a protein. For enzymatic proteins, the struc...
Drew H. Bryant, Mark Moll, Brian Y. Chen, Viachesl...