728 search results - page 119 / 146 » Mining for Empty Rectangles in Large Data Sets |
SISAP
2011
IEEE
12 years 10 months ago
2011
IEEE
In this paper we present a novel technique for nearest neighbor searching dubbed neighborhood approximation. The central idea is to divide the database into compact regions repres...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
Recommendation systems exist to help users discover content in a large body of items. An ideal recommendation system should mimic the actions of a trusted friend or expert, produc...
KDD
2007
ACM
14 years 8 months ago
2007
ACM
In this paper, we design recommender systems for weblogs based on the link structure among them. We propose algorithms based on refined random walks and spectral methods. First, w...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
Many factorization models like matrix or tensor factorization have been proposed for the important application of recommender systems. The success of such factorization models dep...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
We pose a fundamental question in understanding how to identify and design successful communities: What factors predict whether a community will grow and survive in the long term?...