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188
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ECIR
2010
Springer
15 years 8 months ago
Query Difficulty Prediction for Contextual Image Retrieval
Abstract. This paper explores how to predict query difficulty for contextual image retrieval. We reformulate the problem as the task of predicting how difficult to represent a quer...
Xing Xing, Yi Zhang 0001, Mei Han
167
Voted
LREC
2008
105views Education» more  LREC 2008»
15 years 8 months ago
Local Methods for On-Demand Out-of-Vocabulary Word Retrieval
Most of the Web-based methods for lexicon augmenting consist in capturing global semantic features of the targeted domain in order to collect relevant documents from the Web. We s...
Stanislas Oger, Georges Linares, Fréd&eacut...
ICMCS
2007
IEEE
128views Multimedia» more  ICMCS 2007»
15 years 7 months ago
A Vector-Based Approach to Broadcast Audio Database Indexing and Retrieval
This paper proposes a novel framework to index and retrieve audio content from broadcast database that contains both speech and music. In this framework, we model the acoustic eve...
Lei Wang, Haizhou Li, Engsiong Chng
194
Voted
CORR
2004
Springer
128views Education» more  CORR 2004»
15 years 6 months ago
Unsupervised Topic Adaptation for Lecture Speech Retrieval
We are developing a cross-media information retrieval system, in which users can view specific segments of lecture videos by submitting text queries. To produce a text index, the ...
Atsushi Fujii, Katunobu Itou, Tomoyosi Akiba, Tets...
TREC
2004
15 years 8 months ago
HARD Track Overview in TREC 2004 - High Accuracy Retrieval from Documents
The HARD track of TREC 2004 aims to improve the accuracy of information retrieval through the use of three techniques: (1) query metadata that better describes the information nee...
James Allan