Báo cáo khoa học: "Planning Reference Choices for Argumentative Texts" ppt

... of the Association for Computational Linguistics, pages 142–150, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Learning Word Vectors for Sentiment Analysis Andrew ... Pham, Dan Huang, Andrew Y. Ng, and Christopher Potts Stanford University Stanford, CA 94305 [amaas, rdaly, ptpham, yuze, ang, cgpotts]@stanford.edu Abstract Unsupervised vector-based...

Ngày tải lên: 20/02/2014, 04:20

... allows that use of future information in ad- dition to past information. The pipeline model nat- urally allows access to all the past information. Algorithm 3 Pseudo code for the look ahead algo- rithm. ... rightmost S action taken before a non-S action happens. Note that it is possible that there is a relation between a and b, but we can- not perform R or L now. Therefore, we should consid...

Ngày tải lên: 20/02/2014, 12:20

... a score, used to rank parse candidates. For parsing of strings, the score for a chart edge is the product of the scores of any child edges and the score for the creation of the new edge, as given ... quality for ASR. WER is the count of incorrect words in hypothesis ˆ W per word in the true string W. For measurement, we must as- sume prior knowledge of W and the best alignment of th...

Ngày tải lên: 20/02/2014, 15:21

... longer afford to waste human time and effort building manually these ever changing and in- complete databases or design language specific applications to solve this problem. The need for an automatic ... brackets). For average size texts (e.g. the Written Ques- tions), these words account for about 5% of the total (about 3k words / text). This number varies according to language similar...

Ngày tải lên: 20/02/2014, 18:20

... disturbing elements. As for morphol- ogy, verbs are expanded with all their tense forms (i.e. present, present continuous, past tense and past participle). Synonyms and morphological forms are added ... before, AltaVista was used as search engine. A baseline for the answer validation experiment was defined by considering how often an answer oc- curs in the top 10 documents among those (100...

Ngày tải lên: 08/03/2014, 07:20

... attentional information to produce coherent text (McKeown, 1985, McCoy, 1985, Paris, 1988b), omitting intentional informa- tion, or conflating intentional and rhetorical information (Hovy, ... ers. This is necessary for linguis- tic reasons (e.g., to generate the appropriate clausal connectives in multi-sentential responses) and for responding to requests for elabora- tion...

Ngày tải lên: 21/02/2014, 20:20

... Association for Computational Linguistics: Proceedings of the Conference, Association for Computational Linguistics, Morristown, NJ, pp. 17-24. 271 A COMPUTATIONAL MECHANISM FOR PRONOMINAL REFERENCE ... mechanism for handling bound anaphora, disjoint reference, and pronominal reference. The algorithm maps over every node in a parse tree in a left-to-right, depth first man...

Ngày tải lên: 21/02/2014, 20:20

... incu- bated for 4 days with each of the peptides (10 lm), and cells were fixed and used for immunocytochemical analyses. Immunocytochemistry Neurons were fixed in 4% paraformaldehyde for 20 min at ... to transformed Ca 2+ -competent E. coli cells (ER2566) by heat shock. The transformed cells were spread on LB agar plates containing ampicillin (50 mgÆL )1 ), single colonies were picked fo...

Ngày tải lên: 18/02/2014, 13:20

... resulted in the formation of 20,23-di- hydroxyvitamin D3 (RT = 30 min) and trihydroxyvi- tamin D3 (RT = 22 min) (Fig. 4A). A small lag (0– 3 min) was seen in the time course for formation of trihydroxyvitamin ... correlations for 3-CH and 23-CH; (B) expan- sion of proton–proton TOCSY correlations for 3-CH and 23-CH; (C) expansion of proton–carbon HSQC showing groups having correla- tion...

Ngày tải lên: 18/02/2014, 17:20

... context in- formation at the sentence level, we adopt the topical context information in our method for the following reasons: (1) the topic informa- tion captures the context information beyond the ... a novel approach for translation model adapta- tion by utilizing in-domain monolingual top- ic information instead of the in-domain bilin- gual corpora, which incorporates the topic in- fo...

Ngày tải lên: 19/02/2014, 19:20