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PVLDB
2010
100views more  PVLDB 2010»
15 years 1 months ago
Efficient Proximity Detection among Mobile Users via Self-Tuning Policies
Given a set of users, their friend relationships, and a distance threshold per friend pair, the proximity detection problem is to find each pair of friends such that the Euclidean...
Man Lung Yiu, Leong Hou U, Simonas Saltenis, Kosta...
ICML
2001
IEEE
16 years 7 months ago
Expectation Maximization for Weakly Labeled Data
We call data weakly labeled if it has no exact label but rather a numerical indication of correctness of the label "guessed" by the learning algorithm - a situation comm...
Yuri A. Ivanov, Bruce Blumberg, Alex Pentland
SDM
2009
SIAM
343views Data Mining» more  SDM 2009»
16 years 3 months ago
Change-Point Detection in Time-Series Data by Direct Density-Ratio Estimation.
Change-point detection is the problem of discovering time points at which properties of time-series data change. This covers a broad range of real-world problems and has been acti...
Masashi Sugiyama, Yoshinobu Kawahara
IROS
2009
IEEE
149views Robotics» more  IROS 2009»
16 years 1 months ago
Mutual localization in a multi-robot system with anonymous relative position measures
— We address the mutual localization problem for a multi-robot system, under the assumption that each robot is equipped with a sensor that provides a measure of the relative posi...
Antonio Franchi, Giuseppe Oriolo, Paolo Stegagno
DIS
2009
Springer
16 years 1 months ago
Subspace Discovery for Promotion: A Cell Clustering Approach
The promotion analysis problem has been proposed in [16], where ranking-based promotion query processing techniques are studied to effectively and efficiently promote a given obje...
Tianyi Wu, Jiawei Han