Tài liệu Báo cáo khoa học: "Instance-based Sentence Boundary Determination by Optimization for Natural Language Generation" ppt

... 565–572, Ann Arbor, June 2005. c 2005 Association for Computational Linguistics Instance-based Sentence Boundary Determination by Optimization for Natural Language Generation Shimei Pan and James C. ... instance- based sentence boundary determination method for natural language generation that optimizes a set of criteria based on examples in a corpus. Compared t...

Ngày tải lên: 20/02/2014, 15:20

... slightly by having indepen- dent parameters for 1-count, 2-count, and many- count n-grams, but still assumes that ¯ d(i) is constant for i greater than two. Second, by using the same discount for ... for a given n-gram count is well-approximated by its mean. For similar cor- pora, this seems to be true, with a histogram of test counts for trigrams of count 10 that is nearly...

Ngày tải lên: 20/02/2014, 04:20

... knowledge for understand- ing language? What kinds of knowledge might lie outside the collections that the community has fo- cused on building? We have undertaken an empir- ical study of a natural language ... categories. Separately, we also compute κ once for each category C, by treating all annota- tions for categories C  = C as the same. 3 Categories of Knowledge By manual...

Ngày tải lên: 20/02/2014, 05:20

... development of processes which utillze Information provided by Object Primitives to facilitate the "comprehension" of natural language texts by computer. That Is, we were primarily ... it means For a bottle to be open. This information is stored Peneath its prototype For bottles. Presumably, there Is also script-like information about the different methods...

Ngày tải lên: 21/02/2014, 20:20

... Vogel et al., 1996; Deng and Byrne, 2005) is that the aligned sentences in such corpora should be seg- mented into sequences of tokens that are meant to be words. Therefore, for languages where word boundaries ... 2009. c 2009 Association for Computational Linguistics Bilingually Motivated Domain-Adapted Word Segmentation for Statistical Machine Translation Yanjun Ma Andy Way National...

Ngày tải lên: 22/02/2014, 02:20

... rhetorical goals by looking for opportunities to "piggyback" additional phrases (sub-plans) into pending plans for utterances. We argue that in domains where salience information is ... Proceedings of the Annual Conference of the Association for Computational Linguistics, Stanford University, June, 1981. " ;Natural Language Generation as a Computational Pr...

Ngày tải lên: 17/03/2014, 19:21

... genes coding for Sco proteins without having any genes coding for Cox2 [22]. By bringing together the available data on eukary- otic and prokaryotic Sco proteins, a complex scenario therefore emerges ... Crystallization therefore most likely selects, in apo-Sco1, the lowest-energy conformers between the multiple ones present in solution. Backbone conforma- tional changes to allow the fo...

Ngày tải lên: 14/02/2014, 18:20

... carboxylation of acetyl-CoA to form malonyl-CoA, catalyzed by ACC – the key reg- ulatory enzyme in the pathway. Malonyl-CoA serves as the basic chain-elongating substrate for the formation of long-chain ... tran- siently ATP depleting because fructose bypasses the rate-limiting regulatory step of glycolysis catalyzed by phosphofructokinase, which is used by glucose, but not fructose....

Ngày tải lên: 14/02/2014, 22:20

... could directly detect the formation of large oligomers by NMR was by a loss of signal intensity (Fig. 2A). Simi- lar observations were previously made for aggregating Fig. 2. C-peptide forms large oligomers. ... presence Fig. 1. Oligomer formation of proinsulin C-peptide is affected by metals and insulin. Prosinsulin C-peptide oligomer formation as a function of time (A). C-peptide wa...

Ngày tải lên: 18/02/2014, 04:20

... (the dioxygen reduction site mapping at the boundary of D1 and D3) and substrate-binding sites (one for the electron donor and one for O 2 )in neo-formed clefts [21,22] (see Fig. 1). Taking inspiration ... used for laccase activity and cell density determination were withdrawn and analysed regularly throughout cultivation. Purification Cells were sedimented by centrifugation at 160...

Ngày tải lên: 18/02/2014, 06:20