Báo cáo khoa học: "Enhancing Performance of Lexicalised Grammars" pdf

Báo cáo khoa học: "Enhancing Performance of Lexicalised Grammars" pdf

Báo cáo khoa học: "Enhancing Performance of Lexicalised Grammars" pdf

... the efficiency of a parser with a possible trade-off of los- ing correct parses. For example, the noun phrase reading of The dog barks is a correct parse, although unlikely. By blocking the use of barks ... available, it was possible to evaluate the accuracy of the parser. Eval- uation of deep parsing results is often reported only in terms of coverage (number of sentences whic...

Ngày tải lên: 17/03/2014, 02:20

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Báo cáo khoa học: Enhancing thermostability of maltogenic amylase from Bacillus thermoalkalophilus ET2 by DNA shuffling pdf

Báo cáo khoa học: Enhancing thermostability of maltogenic amylase from Bacillus thermoalkalophilus ET2 by DNA shuffling pdf

... half-life of III-2 was 568 min while that of wild-type was less than 1 min at 80 °C. When the thermostability of the shuffling mutants of BTMA was compared with that of the ThMA mutant, the half-life of ... those of other shuffling mutants and wild-type BTMA. The half-life of III-1 was 20 times greater than that of the wild-type at 78 °C. The thermostability of III-2 was mu...

Ngày tải lên: 16/03/2014, 13:20

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Báo cáo khoa học: "Unsupervised Discovery of Rhyme Schemes" pdf

Báo cáo khoa học: "Unsupervised Discovery of Rhyme Schemes" pdf

... + I i,r  j<i:r i =r j θ x i ,x j /  w θ w,x i (2) 3 While the number of rhyme schemes of length n is tech- nically the number of partitions of an n- element set (the Bell number), only a subset of these are typically used. 78 P ... extremely useful for large-scale statistical analyses of poetic texts. • Historical Linguistics/Study of Dialects Rhymes of a word in poetry...

Ngày tải lên: 07/03/2014, 22:20

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Báo cáo khoa học: "SELECTIVE PLANNING OF INTERFACE EVALUATION" pdf

Báo cáo khoa học: "SELECTIVE PLANNING OF INTERFACE EVALUATION" pdf

... precepting. However, neatly all of them are like obsorvem of the recent space shuttle: They can understand liftoff, landing and some of the discus=dons of the heat of re(retry, but the critical ... trials are an instrumented variant of normal uSage. The character of the users, their tasks, the data, and so forth are reDreeentative of the intended use of the system. In...

Ngày tải lên: 08/03/2014, 18:20

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Báo cáo khoa học: "A MODEL OF SENTENCE PRODUCTION" pdf

Báo cáo khoa học: "A MODEL OF SENTENCE PRODUCTION" pdf

... entry, the further construction of the sentences meaning is entrusted to the entries in the vocabulary. Examples of how GEMS constructs the meaning of a number of English sentence types are ... model of how to say something, not of what to say. When it arrives at a decision point on what to say, GEMS makes a random choice. Hence, GEMS is not a complete model of the acti...

Ngày tải lên: 18/03/2014, 02:20

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Báo cáo khoa học: "Stochastic Methods of Mechanical Translation" pdf

Báo cáo khoa học: "Stochastic Methods of Mechanical Translation" pdf

... may now examine some of the procedures that can be mechanized to allow the machine to guess at a sequence of words which constitute its best estimate of the meaning of the sentence in the ... found, telling which part of speech the word is, and in which field of knowledge it occurs. Needless to say many words have several meanings, may be several parts of speech, and may...

Ngày tải lên: 23/03/2014, 13:20

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Báo cáo khoa học: "AUTOMATED INVERSION OF LOGIC GRAMMARS FOR GENERATION" pdf

Báo cáo khoa học: "AUTOMATED INVERSION OF LOGIC GRAMMARS FOR GENERATION" pdf

... subset of MSEA is essential. A collection of minimal sets of essential argu- ments (MSEA's) of a predicate depends upon the way this predicate is defined. If we alter the ordering of ... in the definition of a predicate, we may also change its set of MSEA's. We call the set of MSEA's existing for a current definition of a predi- cate the set of...

Ngày tải lên: 24/03/2014, 02:20

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Báo cáo khoa học: "Computational Aspects of M-grammars" potx

Báo cáo khoa học: "Computational Aspects of M-grammars" potx

... set of possi- ble S-trees and F~ is a collection of relations of type T m × T, m > 0. F~ contains all relations defined by the M-rules of subgrammar i. s The set of production rules of ... part of the translation system an S-tree of the source language is mapped onto a set of semantic derivation trees. Next, each semantic derivation tree is mapped onto a set of...

Ngày tải lên: 24/03/2014, 05:21

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Báo cáo khóa học: Structural characterization of the human Nogo-A functional domains Solution structure of Nogo-40, a Nogo-66 receptor antagonist enhancing injured spinal cord regeneration ppt

Báo cáo khóa học: Structural characterization of the human Nogo-A functional domains Solution structure of Nogo-40, a Nogo-66 receptor antagonist enhancing injured spinal cord regeneration ppt

... OLMOL graphic softwares [22]. Fig. 4. NMR characterization of Nogo-24 NH-NH region of a NOESY spectrum of Nogo-24 (mixing time of 250 ms) acquired in an aqueous buffer (50 m M phosphate buffer at pH of 6.5). ... region of a NOESY spectrum (mixing time of 250 ms) of Nogo-40 acquired in a 50 m M phosphate buffer (pH 6.5) at 15 °C. (D) NH-aliphatic region of a NO ESY spectrum of...

Ngày tải lên: 16/03/2014, 16:20

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Báo cáo khoa học: "Enhancing Unlexicalized Parsing Performance using a Wide Coverage Lexicon, Fuzzy Tag-set Mapping, and EM-HMM-based Lexical Probabilities" ppt

Báo cáo khoa học: "Enhancing Unlexicalized Parsing Performance using a Wide Coverage Lexicon, Fuzzy Tag-set Mapping, and EM-HMM-based Lexical Probabilities" ppt

... the performance of an unlexicalized Hebrew PCFG parser, re- sulting in state -of- the-art Hebrew parsing results both when a segmentation oracle is assumed, and in a real-word parsing sce- nario of ... stream of ambiguous unsegmented to- kens, making results in this setting not indicative of real-world parsing performance. 4.1 The Models The main question we address is the incorpo...

Ngày tải lên: 17/03/2014, 22:20

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