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SIGIR
2011
ACM
14 years 9 months ago
Functional matrix factorizations for cold-start recommendation
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...
Ke Zhou, Shuang-Hong Yang, Hongyuan Zha
ICDE
2009
IEEE
144views Database» more  ICDE 2009»
16 years 8 months ago
Reachability Indexes for Relational Keyword Search
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
Alexander Markowetz, Yin Yang, Dimitris Papadias
GIS
2005
ACM
16 years 7 months ago
Improving the R*-tree with outlier handling techniques
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
Tian Xia, Donghui Zhang
DAC
2003
ACM
16 years 7 months ago
Clock-tree power optimization based on RTL clock-gating
As power consumption of the clock tree in modern VLSI designs tends to dominate, measures must be taken to keep it under control. This paper introduces an approach for reducing cl...
Monica Donno, Alessandro Ivaldi, Luca Benini, Enri...
ICML
2000
IEEE
16 years 7 months ago
Correlation-based Feature Selection for Discrete and Numeric Class Machine Learning
Algorithms for feature selection fall into two broad categories: wrappers that use the learning algorithm itself to evaluate the usefulness of features and filters that evaluate f...
Mark A. Hall