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» Multimedia Retrieval Algorithmics
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127
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IS
2006
15 years 3 months ago
Adaptive cycle management in soft real-time disk retrieval
The objective of this study is to determine the right cycle management policy to service periodic soft real-time disk retrieval. Cycle based disk scheduling provides an effective ...
Youjip Won, Ilhoon Shin, Kern Koh
138
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IR
2010
15 years 1 months ago
Gradient descent optimization of smoothed information retrieval metrics
Abstract Most ranking algorithms are based on the optimization of some loss functions, such as the pairwise loss. However, these loss functions are often different from the criter...
Olivier Chapelle, Mingrui Wu
119
Voted
SIGIR
2003
ACM
15 years 8 months ago
Investigating the relationship between language model perplexity and IR precision-recall measures
An empirical study has been conducted investigating the relationship between the performance of a generative language model in terms of perplexity and the corresponding informatio...
Leif Azzopardi, Mark Girolami, Keith van Rijsberge...
140
Voted
SIGIR
2002
ACM
15 years 3 months ago
Empirical studies in strategies for Arabic retrieval
This work evaluates a few search strategies for Arabic monolingual and cross-lingual retrieval, using the TREC Arabic corpus as the test-bed. The release by NIST in 2001 of an Ara...
Jinxi Xu, Alexander Fraser, Ralph M. Weischedel
CIKM
2010
Springer
15 years 2 months ago
Reverted indexing for feedback and expansion
Traditional interactive information retrieval systems function by creating inverted lists, or term indexes. For every term in the vocabulary, a list is created that contains the d...
Jeremy Pickens, Matthew Cooper, Gene Golovchinsky