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SPEECH
1998
69views more  SPEECH 1998»
15 years 6 months ago
Noisy speech enhancement using discrete cosine transform
This paper illustrates the advantages of using the Discrete Cosine Transform (DCT) as compared to the standard Discrete Fourier Transform (DFT) for the purpose of removing noise e...
Ing Yann Soon, Soo Ngee Koh, Chai Kiat Yeo
TIT
1998
96views more  TIT 1998»
15 years 6 months ago
Sequential Prediction of Individual Sequences Under General Loss Functions
Abstract— We consider adaptive sequential prediction of arbitrary binary sequences when the performance is evaluated using a general loss function. The goal is to predict on each...
David Haussler, Jyrki Kivinen, Manfred K. Warmuth
SIGIR
2002
ACM
15 years 6 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
SIGIR
2002
ACM
15 years 6 months ago
Two-stage language models for information retrieval
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...
ChengXiang Zhai, John D. Lafferty
SIGIR
2002
ACM
15 years 6 months ago
Risk minimization and language modeling in text retrieval dissertation abstract
tion Abstract ChengXiang Zhai (Advisor: John Lafferty) Language Technologies Institute School of Computer Science Carnegie Mellon University With the dramatic increase in online in...
ChengXiang Zhai
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