55 search results - page 2 / 11 » Lower-bounding term frequency normalization |
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
In this work, we propose adaptive frequency-domain biased estimation algorithms with mechanisms to automatically adjust the shrinkage factors. The proposed estimation algorithms i...
JCT
2011
13 years 5 months ago
2011
We find sharp absolute constants C1 and C2 with the following property: every well-rounded lattice of rank 3 in a Euclidean space has a minimal basis so that the solid angle spann...
PODS
2012
ACM
12 years 1 months ago
2012
ACM
We show that randomization can lead to significant improvements for a few fundamental problems in distributed tracking. Our basis is the count-tracking problem, where there are k...
COLING
2000
14 years 6 days ago
2000
This paper introduces a scheme, which we call the baseline method, to define a measure of term representativeness and measures defined by using the scheme. The representativeness ...
MIR
2004
ACM
14 years 4 months ago
2004
ACM
Searching moving object trajectories of video databases has been applied to many fields, such as video data analysis, content-based video retrieval, video scene classification. ...