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» Indexing and retrieval of a Greek corpus
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SODA
2001
ACM
87views Algorithms» more  SODA 2001»
13 years 8 months ago
A linear lower bound on index size for text retrieval
Most information-retrieval systems preprocess the data to produce an auxiliary index structure. Empirically, it has been observed that there is a tradeoff between query response t...
Erik D. Demaine, Alejandro López-Ortiz
SDM
2009
SIAM
140views Data Mining» more  SDM 2009»
14 years 4 months ago
Straightforward Feature Selection for Scalable Latent Semantic Indexing.
Latent Semantic Indexing (LSI) has been validated to be effective on many small scale text collections. However, little evidence has shown its effectiveness on unsampled large sca...
Jun Yan, Shuicheng Yan, Ning Liu, Zheng Chen
MTA
2006
140views more  MTA 2006»
13 years 7 months ago
Audio indexing: primary components retrieval
This work addresses the soundtrack indexing of multimedia documents. We present and merge two audio classification tools that we have developed. The first one, a speech music clas...
Julien Pinquier, Régine André-Obrech...
ACL
1996
13 years 8 months ago
Noun-Phrase Analysis in Unrestricted Text for Information Retrieval
Information retrieval is an important application area of natural-language processing where one encounters the genuine challenge of processing large quantities of unrestricted nat...
David A. Evans, ChengXiang Zhai
MM
2010
ACM
151views Multimedia» more  MM 2010»
13 years 7 months ago
Explicit and implicit concept-based video retrieval with bipartite graph propagation model
The major scientific problem for content-based video retrieval is the semantic gap. Generally speaking, there are two appropriate ways to bridge the semantic gap: the first one is...
Lei Bao, Juan Cao, Yongdong Zhang, Jintao Li, Ming...