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» Optimization Techniques for Queries with Expensive Methods
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112
Voted
KDD
2010
ACM
252views Data Mining» more  KDD 2010»
15 years 4 months ago
Fast query execution for retrieval models based on path-constrained random walks
Many recommendation and retrieval tasks can be represented as proximity queries on a labeled directed graph, with typed nodes representing documents, terms, and metadata, and labe...
Ni Lao, William W. Cohen
98
Voted
ICML
2001
IEEE
16 years 1 months ago
Toward Optimal Active Learning through Sampling Estimation of Error Reduction
This paper presents an active learning method that directly optimizes expected future error. This is in contrast to many other popular techniques that instead aim to reduce versio...
Nicholas Roy, Andrew McCallum
ICDE
2012
IEEE
191views Database» more  ICDE 2012»
13 years 2 months ago
DESKS: Direction-Aware Spatial Keyword Search
— Location-based services (LBS) have been widely accepted by mobile users. Many LBS users have direction-aware search requirement that answers must be in a search direction. Howe...
Guoliang Li, Jianhua Feng, Jing Xu
ARC
2009
Springer
188views Hardware» more  ARC 2009»
15 years 7 months ago
Word-Length Optimization and Error Analysis of a Multivariate Gaussian Random Number Generator
Abstract. Monte Carlo simulation is one of the most widely used techniques for computationally intensive simulations in mathematical analysis and modeling. A multivariate Gaussian ...
Chalermpol Saiprasert, Christos-Savvas Bouganis, G...
101
Voted
ICASSP
2010
IEEE
15 years 20 days ago
Improved Internet traffic analysis via optimized sampling
Applications to evaluate Internet quality-of-service and increase network security are essential to maintaining reliability and high performance in computer networks. These applic...
Sean McPherson, Antonio Ortega