55 search results - page 2 / 11 » Lower-bounding term frequency normalization |
ICASSP
2011
IEEE
12 years 9 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 21 days 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
11 years 8 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
13 years 7 months 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
13 years 11 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. ...