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» Query expansion using random walk models
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ICIP
2008
IEEE
14 years 4 months ago
Generalized ELL for detecting and tracking through illumination model changes
In previous work, we developed the Illum-PF-MT, which is the PFMT idea applied to the problem of tracking temporally and spatially varying illumination change. In many practical p...
Amit Kale, Namrata Vaswani
ICDE
2010
IEEE
227views Database» more  ICDE 2010»
14 years 9 months ago
Approximate Confidence Computation in Probabilistic Databases
Abstract-- This paper introduces a deterministic approximation algorithm with error guarantees for computing the probability of propositional formulas over discrete random variable...
Dan Olteanu, Jiewen Huang, Christoph Koch
SIGIR
2002
ACM
13 years 9 months ago
Predicting query performance
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
GPC
2010
Springer
13 years 12 months ago
A Focused Crawler with Ontology-Supported Website Models for Information Agents
This paper advocated the use of ontology-supported website models to provide a semantic level solution for an information agent so that it can provide fast, precise, and stable que...
Sheng-Yuan Yang
CLEF
2005
Springer
14 years 3 months ago
SINAI at CLEF 2005: Multi-8 Two-Years-on and Multi-8 Merging-Only Tasks
This year, we have participated on multilingual two years on and Multi-8 merging-only CLEF task. Our main interest has been to test several usual CLIR tasks and investigate how th...
Fernando Martínez Santiago, Miguel Angel Ga...