Báo cáo khoa học: "Improving Automatic Indexing through Conc

Báo cáo khoa học: "Improving Automatic Indexing through Concept Combination and Term Enrichment" ppt

... quantitative improvement in automatic indexing through concept combination. The in- crease in the volume of indexing is 10.5% for free indexing and 52.3% for controlled indexing. The resulting ... Improving Automatic Indexing through Concept Combination and Term Enrichment Christian Jacquemin* LIMSI-CNRS BP 133, F-91403 ORSAY ... an automatic indexer is...

Ngày tải lên : 31/03/2014, 04:20

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Tài liệu Báo cáo khoa học: "Improving Automatic Speech Recognition for Lectures through Transformation-based Rules Learned from Minimal Data" ppt

... Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 764–772, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Improving Automatic Speech Recognition for Lectures through Transformation-based ... the best candidate for ASR adaptation or training (Riccardi and Hakkani-Tur, 2005; Huo and Li, 2007). 1 Even with all of these, however, there remains a signiﬁcant gap betwe...

Ngày tải lên : 20/02/2014, 07:20

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Báo cáo khoa học: "Correcting Automatic Translations through Collaborations between MT and Monolingual Target-Language Users" pptx

... Computational Linguistics Correcting Automatic Translations through Collaborations between MT and Monolingual Target-Language Users Joshua S. Albrecht and Rebecca Hwa and G. Elisabeta Marai Department ... approach for mediating between an MT system and users who do not under- stand the source language and thus cannot easily detect translation mistakes on their own. Through a v...

Ngày tải lên : 31/03/2014, 20:20

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Tài liệu Báo cáo khoa học: "Improving Word Representations via Global Context and Multiple Word Prototypes" pdf

... better capture the se- mantics of words by incorporating both local and global document context, and 2) accounts for homonymy and polysemy by learning multiple embeddings per word. We introduce ... to capture homonymy and polysemy. Reisinger and Mooney (2010b) introduced a multi-prototype VSM where word sense discrimination is ﬁrst applied by clus- tering contexts, and then prot...

Ngày tải lên : 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt

... system are a combination of features described in (Xue, 2008; Ding and Chang, 2008) as well as the word for- mation and coarse frame features introduced in (Sun et al., 2009), the c-command thread ... POS, head word of PP phrases, cat- egory of c k ’s lift and right siblings, CFG rewrite rule that expands c k and c k ’s parent (from (Ding and Chang, 2008)). 3.2 New Word Features W...

Ngày tải lên : 20/02/2014, 04:20

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Tài liệu Báo cáo khoa học: "Improving Probabilistic Latent Semantic Analysis with Principal Component Analysis" ppt

... representations, synonyms and polysemous terms, that is, terms with multiple senses or meanings, are not handled well. Meth- ods for smoothing the term distributions through the use of latent ... that is constant across terms and normalize the exponential term to a probability: Relating the term in the PLSA model to the distribution of the LSA term over documents, , and relati...

Ngày tải lên : 22/02/2014, 02:20

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Báo cáo khoa học: "Efﬁcient Inference Through Cascades of Weighted Tree Transducers" ppt

... deﬁnitions and notations are needed for understanding and reimplementation of the presented algorithms, but can be safely skipped on ﬁrst reading and consulted when encountering an unfamiliar term. 1059 write ... stand-in for M(G)  , analogous to the stand-ins for WSAs and WSTs described in Section 2. Algorithm 3, PRODUCE, takes as input a WRTG G in = (N in , ∆, P in , n 0 , M, G...

Ngày tải lên : 17/03/2014, 00:20

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Báo cáo khoa học: "Improving Name Tagging by Reference Resolution and Relation Detection" docx

... (Bikel et al, 1997), but with multiple hy- potheses as output and a larger number of states (12) to handle name prefixes and suffixes, and transliterated foreign names separately. It operates on ... tried to combine the advan- tages of the prior work, and incorporate broader knowledge into a more general re-ranking model. 3 Task and Terminology Our experiments were conducted i...

Ngày tải lên : 23/03/2014, 19:20

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Báo cáo khoa học: "Improving Language Model Size Reduction using Better Pruning Criteria" pptx

... been studied previously (Seymore and Rosenfeld, 1996; Stolcke, 1998; Gao and Lee, 2000; etc). A comparative study of these techniques is presented in (Goodman and Gao, 2000). In this paper, ... simplicity and efficiency, recent researches show that its correlation with error rate is not as strong as once thought. Clarkson and Robinson (2001) analyzed the reason behind it an...

Ngày tải lên : 23/03/2014, 20:20

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Báo cáo khoa học: " Improved Automatic Detection of Zero Subjects and Impersonal Constructions in Spanish" docx

... with ex- plicit subjects and verbs with zero subjects (zero pronouns), using rule-based methods (Ferr ´ andez and Peral, 2000; Rello and Illisei, 2009b). The Ferr ´ andez and Peral algorithm (2000) ... subjects and impersonal constructions. Connexor yields 74.9% overall ac- curacy and 80.2% and 65.6% F-measure for ex- plicit and elliptic subjects, respectively. To compare with...

Ngày tải lên : 31/03/2014, 21:20

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