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SIGMOD
2009
ACM
135views Database» more  SIGMOD 2009»
16 years 7 months ago
Interactive plan hints for query optimization
Commercial database systems expose query hints to fix poor plans produced by the query optimizer. However, current query hints are not flexible enough to deal with a variety of no...
Nicolas Bruno, Surajit Chaudhuri, Ravishankar Rama...
ICIAP
2009
ACM
16 years 5 months ago
Webcam-Based Visual Gaze Estimation
In this paper we combine a state of the art eye center locator and a new eye corner locator into a system which estimates the visual gaze of a user in a controlled environment (e.g...
Roberto Valenti, Jacopo Staiano, Nicu Sebe, Theo ...
MICCAI
2009
Springer
16 years 4 months ago
ECOC Random Fields for Lumen Segmentation in Radial Artery IVUS Sequences
The measure of lumen volume on radial arteries can be used to evaluate the vessel response to different vasodilators. In this paper, we present a framework for automatic lumen segm...
Francesco Ciompi, Oriol Pujol, Eduard Ferná...
SDM
2009
SIAM
162views Data Mining» more  SDM 2009»
16 years 4 months ago
Link Propagation: A Fast Semi-supervised Learning Algorithm for Link Prediction.
We propose Link Propagation as a new semi-supervised learning method for link prediction problems, where the task is to predict unknown parts of the network structure by using aux...
Hisashi Kashima, Tsuyoshi Kato, Yoshihiro Yamanish...
SDM
2009
SIAM
343views Data Mining» more  SDM 2009»
16 years 4 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