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CIKM
2011
Springer
14 years 6 months ago
Lower-bounding term frequency normalization
In this paper, we reveal a common deficiency of the current retrieval models: the component of term frequency (TF) normalization by document length is not lower-bounded properly;...
Yuanhua Lv, ChengXiang Zhai
MOC
1998
175views more  MOC 1998»
15 years 6 months ago
Convergence of a non-stiff boundary integral method for interfacial flows with surface tension
Boundary integral methods to simulate interfacial flows are very sensitive to numerical instabilities. In addition, surface tension introduces nonlinear terms with high order spat...
Héctor D. Ceniceros, Thomas Y. Hou
CVPR
1999
IEEE
16 years 8 months ago
A Simple Technique for Self-Calibration
This paper introduces an extension of Hartley's selfcalibration technique [8] based on properties of the essential matrix, allowing for the stable computation of varying foca...
Paulo R. S. Mendonça, Roberto Cipolla
CVPR
2004
IEEE
16 years 8 months ago
The Multibody Trifocal Tensor: Motion Segmentation from 3 Perspective Views
We propose a geometric approach to 3-D motion segmentation from point correspondences in three perspective views. We demonstrate that after applying a polynomial embedding to the ...
René Vidal, Richard I. Hartley
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
16 years 7 months ago
A Generic Framework for Continuous Motion Pattern Query Evaluation
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
Petko Bakalov, Vassilis J. Tsotras