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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 15 of 15 1 Structural Complexity in Linguistic Systems Research Topic 3: Mathematical Sciences Crutchfield, James P In: DTIC (2015) BASE Show details 2 A Fast Variational Approach for Learning Markov Random Field Language Models Jernite, Yacine; Rush, Alexander M; Sontag, David In: DTIC (2015) Abstract: Language modelling is a fundamental building block of natural language processing. However in practice the size of the vocabulary limits the distributions applicable for this task: specifically one has to either resort to local optimization methods, such as those used in neural language models, or work with heavily constrained distributions. In this work, we take a step towards overcoming these difficulties. We present a method for global-likelihood optimization of a Markov random field language model exploiting long-range contexts in time independent of the corpus size. We take a variational approach to optimizing the likelihood and exploit underlying symmetries to greatly simplify learning. We demonstrate the efficiency of this method both for language modelling and for part-of-speech tagging. ; Published in the Proceedings of the 32nd International Conference on Machine Learning, held in Lille, France, 2015. Published in JMLR: W&CP, v37. Sponsored in part by DARPA. Keyword: *COMPUTATIONAL LINGUISTICS; *LEARNING MACHINES; CONTEXTUAL LANGUAGE MODELS; Cybernetics; EFFICIENCY; INFORMATION PROCESSING; Linguistics; MARKOV PROCESSES; MARKOV RANDOM FIELD LANGUAGE MODELS; MAXIMUM LIKELIHOOD ESTIMATION; NATURAL LANGUAGE; NEURAL LANGUAGE MODELS; NEURAL NETS; NONLINEAR SYSTEMS; OPTIMIZATION; PART-OF-SPEECH TAGGING; PATTERN RECOGNITION; SEMANTICS; STATISTICAL INFERENCE; Statistics and Probability; STOCHASTIC PROCESSES; TARGET CLASSIFICATION; VECTOR ANALYSIS; VOCABULARY URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA621682 http://www.dtic.mil/docs/citations/ADA621682 BASE Hide details 3 The SRI NIST 2010 Speaker Recognition Evaluation System (PREPRINT) Scheffer, Nicolas; Ferrer, Luciana; Graciarena, Martin... In: DTIC (2011) BASE Show details 4 Multi-INT and Information Operations Simulation and Training Technologies (MIISTT) Caisse, Michelle; Silber, Ronnie F.; Tillman, Raymond T. In: DTIC (2010) BASE Show details 5 Multi-Conditional Learning: Generative/Discriminative Training for Clustering and Classification McCallum, Andrew; Pal, Chris; Druck, Greg... In: DTIC (2006) BASE Show details 6 Toward Joint Segmentation and Classification of Dialog Acts in Multiparty Meetings Zimmermann, Matthias; Liu, Yang; Shriberg, Elizabeth... In: DTIC (2005) BASE Show details 7 Optimal Mixture Models in IR Lavrenko, Victor In: DTIC AND NTIS (2005) BASE Show details 8 HowtogetaChineseName(Entity): Segmentation and Combination Issues Jing, Hongyan; Florian, Radu; Luo, Xiaoqiang... In: DTIC (2003) BASE Show details 9 Multi-modal Speech Recognition Workshop 2002 Yoon, Sung H. In: DTIC (2002) BASE Show details 10 TREC-9 Cross-Lingual Retrieval at BBN Xu, Jinxi; Weischedel, Ralph In: DTIC (2000) BASE Show details 11 A Robust Loose Coupling for Speech Recognition and Natural Understanding. Ringger, Eric K. In: DTIC AND NTIS (1995) BASE Show details 12 Robust Continuous Speech Recognition. Makhoul, J.; Schwartz, R. In: DTIC AND NTIS (1994) BASE Show details 13 High-Performance Speech Recognition Using Consistency Modeling. Digalakis, Vassilios; Murveit, Hy; Monaco, Peter... In: DTIC AND NTIS (1994) BASE Show details 14 BBN's PLUM Probabilistic Language Understanding System Weischedel, Ralph; Ayuso, Damaris; Boisen, Sean... In: DTIC (1993) BASE Show details 15 Integration of Speech and Natural Language Ayuso, D; Chow, Y; Haas, A... In: DTIC AND NTIS (1988) BASE Show details

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