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» Using Curvature Information for Fast Stochastic Search
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ICPR
2002
IEEE
16 years 27 days ago
Fingerprint Enhancement with Dyadic Scale-Space
Fingerprint enhancement is a critical step in automatic fingerprint verification system. Most of the existing enhancement uses a set of contextual filters to enhance fingerprint. ...
Jiangang Cheng, Jie Tian, Tanghui Zhang
ACSC
2000
IEEE
15 years 4 months ago
Needles and Haystacks: A Search Engine for Personal Information Collections
Information retrieval systems can be partitioned into two main classes: large-scale systems that make use of an inverted index or some other auxiliary data structure, intended for...
Owen de Kretser, Alistair Moffat
CIKM
2010
Springer
14 years 10 months ago
Fast query expansion using approximations of relevance models
Pseudo-relevance feedback (PRF) improves search quality by expanding the query using terms from high-ranking documents from an initial retrieval. Although PRF can often result in ...
Marc-Allen Cartright, James Allan, Victor Lavrenko...
INFORMS
2008
62views more  INFORMS 2008»
14 years 11 months ago
A Stochastic Approximation Method to Compute Bid Prices in Network Revenue Management Problems
We present a stochastic approximation method to compute bid prices in network revenue management problems. The key idea is to visualize the total expected revenue as a function of...
Huseyin Topaloglu
ECIR
2004
Springer
15 years 1 months ago
Fault-Tolerant Fulltext Information Retrieval in Digital Multilingual Encyclopedias with Weighted Pattern Morphing
This paper introduces a new approach to add fault-tolerance to a fulltext retrieval system. The weighted pattern morphing technique circumvents some of the disadvantages of the wid...
Wolfram M. Esser