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1	Quantifying the value of pronunciation lexicons for keyword search in low resource languages
	Guoguo Chen; Sanjeev Khudanpur; Daniel Povey; Jan Trmal; David Yarowsky; Oguz Yilmaz
	In: http://www.clsp.jhu.edu/%7Eguoguo/papers/icassp2013_lexicon_value.pdf (2013)
	Abstract: This paper quantifies the value of pronunciation lexicons in large vocabulary continuous speech recognition (LVCSR) systems that support keyword search (KWS) in low resource languages. State-of-the-art LVCSR and KWS systems are developed for conver-sational telephone speech in Tagalog, and the baseline lexicon is augmented via three different grapheme-to-phoneme models that yield increasing coverage of a large Tagalog word-list. It is demon-strated that while the increased lexical coverage — or reduced out-of-vocabulary (OOV) rate — leads to only modest (ca 1%-4%) improvements in word error rate, the concomitant improvements in actual term weighted value are as much as 60%. It is also shown that incorporating the augmented lexicons into the LVCSR system before indexing speech is superior to using them post facto, e.g., for approximate phonetic matching of OOV keywords in pre-indexed lattices. These results underscore the disproportionate importance of automatic lexicon augmentation for KWS in morphologically rich languages, and advocate for using them early in the LVCSR stage.
	Keyword: Index Terms — Speech Recognition; Informa- tion Retrieval; Keyword Search; large; Morphology; Speech Synthesis 1. LOW-RESOURCE KEYWORD SEARCH Thanks in part to the falling costs of storage and t
	URL: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.674.401 http://www.clsp.jhu.edu/%7Eguoguo/papers/icassp2013_lexicon_value.pdf
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2	Sequential system combination for machine translation of speech
	Damianos Karakos; Sanjeev Khudanpur
	In: http://www.clsp.jhu.edu/~damianos/slt08_mt_combination.pdf (2008)
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3	Unsupervised Learning of Acoustic Subword Units
	Balakrishnan Varadarajan; Sanjeev Khudanpur; Emmanuel Dupoux
	In: http://www.clsp.jhu.edu/~balakris/pubs/acl08superbrief.pdf (2008)
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4	Unsupervised learning of acoustic sub-word units
	Balakrishnan Varadarajan; Sanjeev Khudanpur; Emmanuel Dupoux
	In: http://aclweb.org/anthology-new/P/P08/P08-2042.pdf (2008)
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5	Lexical triggers and latent semantic analysis for crosslingual language model adaptation
	Woosung Kim; Sanjeev Khudanpur
	In: http://www.clsp.jhu.edu/~woosung/pdf/talip04.pdf (2004)
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6	Contemporaneous Text as Side-Information in Statistical Language Modeling
	Sanjeev Khudanpur; Woosung Kim
	In: http://www.clsp.jhu.edu/~woosung/pdf/csl04.pdf (2004)
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7	Cross-lingual latent semantic analysis for LM
	Woosung Kim; Sanjeev Khudanpur
	In: http://www.clsp.jhu.edu/~woosung/pdf/icassp04.pdf (2004)
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8	Language Model Adaptation Using Cross-Lingual Information
	Woosung Kim; Sanjeev Khudanpur
	In: http://www.clsp.jhu.edu/~woosung/pdf/euro03.pdf (2003)
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9	Cross-Lingual Lexical Triggers in Statistical Language Modeling
	Woosung Kim Woosung; Sanjeev Khudanpur
	In: http://acl.ldc.upenn.edu/W/W03/W03-1003.pdf (2003)
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10	Cross-Lingual Lexical Triggers in Statistical Language Modeling
	Woosung Kim; Sanjeev Khudanpur
	In: http://www.clsp.jhu.edu/~woosung/pdf/emnlp03.pdf (2003)
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11	Contemporaneous Text as Side-Information in Statistical Language Modeling
	Sanjeev Khudanpur; Woosung Kim
	In: http://www.clsp.jhu.edu/~sanjeev/Pubs/CSL2003b.pdf (2003)
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12	Making miracles: Interactive translingual search for cebuano and hindi
	Daqing He; Douglas W. Oard; Jianqiang Wang...
	In: http://www.sis.pitt.edu/~daqing/docs/talip-final.pdf (2003)
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13	Maximum Entropy Language Modeling with Non-Local and Syntactic Dependencies
	Jun Wu; Advisor Dr. Sanjeev Khudanpur
	In: http://www.cs.jhu.edu/~junwu/gbo.ps (2002)
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14	Using Cross-Language Cues For Story-Specific Language Modeling
	Sanjeev Khudanpur; Woosung Kim
	In: http://www.clsp.jhu.edu/~woosung/pdf/icslp02.pdf (2002)
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15	Smoothing Issues in the Structured Language Model
	Woosung Kim; Sanjeev Khudanpur; Jun Wu
	In: http://cs.jhu.edu/~junwu/eurospeech01.ps (2001)
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16	Smoothing Issues in the Structured Language Mode
	Woosung Kim; Sanjeev Khudanpur; Jun Wu
	In: http://www.clsp.jhu.edu/~woosung/pdf/euro01.pdf (2001)
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17	Pronunciation modeling by sharing Gaussian densities across phonetic models,” Computer Speech and Language
	Murat Saraclar; Harriet Nock; Sanjeev Khudanpur
	In: http://busim.ee.boun.edu.tr/~speech/publications/Speech_Recognition/eurospeech99.pdf (2000)
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18	Pronunciation modeling by sharing Gaussian densities across phonetic models
	Murat Saraçlar; Harriet Nock; Sanjeev Khudanpur
	In: ftp://svr-ftp.eng.cam.ac.uk/pub/reports/nock_csl00.pdf (2000)
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19	Mandarin-English Information (MEI): Investigating Translingual Speech Retrieval
	Helen Meng; Berlin Chen; Erika Grams...
	In: http://www.se.cuhk.edu.hk/PEOPLE/hmmeng/MEI_Final_Report2000.pdf (2000)
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20	Pronunciation modeling by sharing Gaussian densities across phonetic models
	Murat Saraclar; Harriet Nock; Sanjeev Khudanpur
	In: http://mi.eng.cam.ac.uk/reports/svr-ftp/auto-pdf/nock_euro99.pdf (2000)
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