Báo cáo khoa học: "Coarse-to-fine n-best parsing and MaxEnt discriminative reranking" docx

Báo cáo khoa học: "Coarse-to-fine n-best parsing and MaxEnt discriminative reranking" docx

Báo cáo khoa học: "Coarse-to-fine n-best parsing and MaxEnt discriminative reranking" docx

... data. 2 Recovering the n-best parses using coarse-to-fine parsing The major difficulty in n-best parsing, compared to 1-best parsing, is dynamic programming. For exam- ple, n-best parsing is straight-forward ... 2005. c 2005 Association for Computational Linguistics Coarse-to-fine n-best parsing and MaxEnt discriminative reranking Eugene Charniak and Mark Johnson Brown L...
Ngày tải lên : 08/03/2014, 04:22
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Báo cáo khoa học: "Cross Language Dependency Parsing using a Bilingual Lexicon∗" docx

Báo cáo khoa học: "Cross Language Dependency Parsing using a Bilingual Lexicon∗" docx

... Reichart and Rappoport, 2007; Sagae and Tsujii, 2007; Chen et al., 2008), the second is on combining super- vised and unsupervised methods, and only unla- beled data are considered (Smith and Eisner, ... conversion and the same data split is adopted as (Wang et al., 2007): files 1-270 and 400-931 as training, 271-300 as testing and files 301-325 as development. We use the gold s...
Ngày tải lên : 17/03/2014, 01:20
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Báo cáo khoa học: "Higher-Order Constituent Parsing and Parser Combination" potx

Báo cáo khoa học: "Higher-Order Constituent Parsing and Parser Combination" potx

... crucial to discriminative parsing. Previous discriminative parsing models usually fac- tor a parse tree into a set of parts. Each part is scored separately to ensure tractability. In dependency parsing ... general framework of constituent parsing to utilize more lexical and structural context and incorporate more strength of various parsing techniques. However, higher-order...
Ngày tải lên : 23/03/2014, 14:20
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Báo cáo khoa học: "A Tabulation-Based Parsing Method that Reduces Copying" docx

Báo cáo khoa học: "A Tabulation-Based Parsing Method that Reduces Copying" docx

... generalized context-free parsing beginning with definite clause grammars (Pereira and Shieber, 1987), as an in- stance of a logic programming control strategy. The connection between logic programming and parsing is ... feature-structure-based grammars and other highly lexicalized grammars with large categories, however, which have become consider- ably more popular since the advent...
Ngày tải lên : 23/03/2014, 19:20
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Báo cáo khoa học: "SOME ISSUES IN PARSING AND NATURAL LINGUAGE UNDERSTANDING" pot

Báo cáo khoa học: "SOME ISSUES IN PARSING AND NATURAL LINGUAGE UNDERSTANDING" pot

... human parsing processes can we cover all and only the language phenomena that we are called upon to process. A particular (extraordinary) aspect of hu~an cognitive (and hence, parsing) ... the other hand, on the b,m- parsing side, we definitely feel that natural language is strongly tuned to both people's means of production and their means of recognition, and th...
Ngày tải lên : 24/03/2014, 01:21
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Báo cáo khoa học: "Dynamic programming for parsing and estimation of stochastic unification-based grammars∗" pot

Báo cáo khoa học: "Dynamic programming for parsing and estimation of stochastic unification-based grammars∗" pot

... rep- resents the set of parses of the string y. The SUBG parsing and estimation algorithms described in this paper use Maxwell and Kaplan’s parsing algorithm as a subroutine. 3 Stochastic Unification-Based ... Unification-Based Grammars (SUBGs) use log-linear models (also known as exponential or MaxEnt models and Markov Random Fields) to de- fine probability distributions over the pa...
Ngày tải lên : 31/03/2014, 06:20
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Báo cáo khoa học: "Bayesian Inference for Zodiac and Other Homophonic Ciphers" docx

Báo cáo khoa học: "Bayesian Inference for Zodiac and Other Homophonic Ciphers" docx

... pages 239–247, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Bayesian Inference for Zodiac and Other Homophonic Ciphers Sujith Ravi and Kevin Knight University ... patterns within the ci- phertext (Peleg and Rosenfeld, 1979; Ganesan and Sherman, 1993; Jakobsen, 1995; Olson, 2007). Most of these methods are heuristic in nature and search for th...
Ngày tải lên : 07/03/2014, 22:20
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Báo cáo khoa học: "Some Properties of Preposition and Subordinate Conjunction Attachments*" docx

Báo cáo khoa học: "Some Properties of Preposition and Subordinate Conjunction Attachments*" docx

... full sentential parsing. This approach differs from the parsing models currently be- ing explored by both theorists and practitioners, which include semi -parsing strategies and finite- state ... Hirschman and David Palmer. The exper- iments made use of Morgan Pecelli's noun/verb group annotations and some of David Day's programs. et al., 1994; Brill and Resnik...
Ngày tải lên : 23/03/2014, 19:20
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Tài liệu Báo cáo khoa học: "Accurate Context-Free Parsing with Combinatory Categorial Grammar" pptx

Tài liệu Báo cáo khoa học: "Accurate Context-Free Parsing with Combinatory Categorial Grammar" pptx

... including the CCG of CCG- bank and of the parser of Clark and Cur- ran (2007). In light of these new results, we train the PCFG parser of Petrov and Klein (2007) on CCGbank and achieve state of the ... Hockenmaier and M. Steedman. 2007. CCGbank: a corpus of CCG derivations and dependency struc- tures extracted from the penn treebank. Computa- tional Linguistics, 33(3):355–396. F....
Ngày tải lên : 20/02/2014, 04:20
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Tài liệu Báo cáo khoa học: "Shift-Reduce CCG Parsing" docx

Tài liệu Báo cáo khoa học: "Shift-Reduce CCG Parsing" docx

... shift-reduce and CKY (Ades and Steedman, 1982; Steedman, 2000). However, the parsing work by Clark and Curran (2007), and also Hockenmaier (2003) and Fowler and Penn (2010), has only considered chart -parsing. ... and Steedman, 2007), syntactic parsing (Hockenmaier, 2003; Clark and Curran, 2007), logical form con- struction (Bos et al., 2004) and surface realization (Whi...
Ngày tải lên : 20/02/2014, 04:20
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