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CIKM
2005
Springer
15 years 10 months ago
Web-centric language models
We investigates language models for informational and navigational web search. Retrieval on the web is a task that differs substantially from ordinary ad hoc retrieval. We perfor...
Jaap Kamps
ITCC
2002
IEEE
15 years 9 months ago
Taxonomy-based Adaptive Web Search Method
Current crawler-based search engines usually return a long list of search results containing a lot of noise documents. By indexing collected documents on topic path in taxonomy, t...
Said Mirza Pahlevi, Hiroyuki Kitagawa
TREC
2004
15 years 5 months ago
UIUC in HARD 2004--Passage Retrieval Using HMMs
UIUC participated in the HARD track in TREC 2004 and focused on the evaluation of a new method for identifying variable-length passages using HMMs. Most existing approaches to pas...
Jing Jiang, ChengXiang Zhai
TREC
2007
15 years 5 months ago
Parsimonious Language Models for a Terabyte of Text
: The aims of this paper are twofold. Our first aim is to compare results of the earlier Terabyte tracks to the Million Query track. We submitted a number of runs using different ...
Djoerd Hiemstra, Rongmei Li, Jaap Kamps, Rianne Ka...
ICML
2010
IEEE
15 years 5 months ago
Proximal Methods for Sparse Hierarchical Dictionary Learning
We propose to combine two approaches for modeling data admitting sparse representations: on the one hand, dictionary learning has proven effective for various signal processing ta...
Rodolphe Jenatton, Julien Mairal, Guillaume Obozin...