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IUI
2009
ACM
16 years 3 months ago
Learning to recognize valuable tags
Many websites use tags as a mechanism for improving item metadata through collective user effort. Users of tagging systems often apply far more tags to an item than a system can ...
Shilad Sen, Jesse Vig, John Riedl
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
14 years 9 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
SIGPRO
2008
130views more  SIGPRO 2008»
15 years 6 months ago
Cepstrum of bispectrum - A new approach to blind system reconstruction
In this paper, an improved approach to blind deconvolution of LTI systems incorporating phase unwrapping is presented. The method can recover a noise-free estimate of the logarith...
Shahjahan Shahid, Jacqueline Walker
CISS
2008
IEEE
16 years 1 months ago
Adversarial interference models for multiantenna cooperative systems
Abstract— According to the cognitive radio paradigm, a terminal or subsystem will opportunistically select a frequency band for data transmission. Because the spectrum is shared,...
Anand D. Sarwate, Michael Gastpar
DL
1999
Springer
122views Digital Library» more  DL 1999»
15 years 11 months ago
A Patent Search and Classification System
We present a system for searching and classifying U.S. patent documents, based on Inquery. Patents are distributed through hundreds of collections, divided up by general area. The...
Leah S. Larkey