Sciweavers

1649 search results - page 304 / 330
» Improved Matrix Interpretation
Sort
View
CORR
2012
Springer
228views Education» more  CORR 2012»
12 years 3 months ago
Faster Approximate Distance Queries and Compact Routing in Sparse Graphs
A distance oracle is a compact representation of the shortest distance matrix of a graph. It can be queried to retrieve approximate distances and corresponding paths between any p...
Rachit Agarwal, Brighten Godfrey, Sariel Har-Peled
WSDM
2012
ACM
334views Data Mining» more  WSDM 2012»
12 years 3 months ago
mTrust: discerning multi-faceted trust in a connected world
Traditionally, research about trust assumes a single type of trust between users. However, trust, as a social concept, inherently has many facets indicating multiple and heterogen...
Jiliang Tang, Huiji Gao, Huan Liu
INFOCOM
2012
IEEE
11 years 9 months ago
Spectrum management and power allocation in MIMO cognitive networks
Cognitive radio (CR) techniques improve the spectrum utilization by exploiting temporarily-free frequency bands (i.e., in the time domain). The spectrum utilization can be boosted...
Diep N. Nguyen, Marwan Krunz
KDD
2012
ACM
201views Data Mining» more  KDD 2012»
11 years 9 months ago
Learning from crowds in the presence of schools of thought
Crowdsourcing has recently become popular among machine learning researchers and social scientists as an effective way to collect large-scale experimental data from distributed w...
Yuandong Tian, Jun Zhu
KDD
2012
ACM
207views Data Mining» more  KDD 2012»
11 years 9 months ago
Robust multi-task feature learning
Multi-task learning (MTL) aims to improve the performance of multiple related tasks by exploiting the intrinsic relationships among them. Recently, multi-task feature learning alg...
Pinghua Gong, Jieping Ye, Changshui Zhang