Báo cáo khoa học: "A Study on Richer Syntactic Dependencies for Structured Language Modeling" ppt

... (Charniak, 2001). For these reasons, we prefer enriching the syntactic dependencies by information from the left context. However, as mentioned in (Roark, 2001), one way of conditioning the probabilities ... A Study on Richer Syntactic Dependencies for Structured Language Modeling Peng Xu Center for Language and Speech Processing Johns Hopkins University Baltimore, ....

Ngày tải lên: 23/03/2014, 20:20

... distribution of LIRs in both intronic and intergenic regions (see Fig. S1). We also considered the effect of the length of these regions on the distribution. The intronic and intergenic regions were ... results confirmed that LIRs tend to reside in large intronic and intergenic regions. Only five LIRs were found in introns < 1 kb (the smallest intron was 757 bp), and none in intergenic reg...

Ngày tải lên: 07/03/2014, 00:20

... International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 537–544, Sydney, July 2006. c 2006 Association for Computational Linguistics A Study on Automatically ... representation by selecting one or the other for each category. They show that concept-based representations can outperform traditional word-based representations, and that a combina...

Ngày tải lên: 08/03/2014, 02:21

... sub-structures composed of syntactic in- formation embodied by parse-tree dependencies and semantic information under the form of predicate/argument annotation. (2) This solution is efficient as we have ... observations follows that the PAF representation may be used with PAK to classify arguments. On the contrary, SCF lacks important information, thus, alone it may be used only to classi...

Ngày tải lên: 08/03/2014, 04:22

... Syntax- based language models for statistical machine transla- tion. MT Summit IX., Intl. Assoc. for Machine Trans- lation. C. Chelba and F. Jelinek. 1998. Exploiting syntactic structure for language ... translation. The Human Language Technology Conference (HLT), 48-54. S. Khudanpur and J. Wu. 2000. Maximum entropy tech- niques for exploiting syntactic, semantic and colloca-...

Ngày tải lên: 20/02/2014, 04:20

... FRIENDLY AND FLEXIBLE FRONT-END FOR DATA MANAGEMENT SYSTEMS Marjorie Templeton System Development Corporation, Santa Monica, CA. EUFID is a natural language frontend for data management systems. ... user may define personal synonyms if tile vocabulary in the dictionary is not rich enough for him. For example, for efficiency a user might prefer to use "wh" for &...

Ngày tải lên: 08/03/2014, 18:20

... Natural Language Information Processing: A Computer Grammar of English and Its Applications. Addison- Wesley, 1981. Sells, P. Lectures on Contemporary Syntactic Theories. Canter for the Study ... for the Study of Language and Information, Stanford University, 1985. Thompson, B. and Thompson, F. ASK Is Transportable in Half a Dozen Ways. ACM Trans. on O~ce Informati...

Ngày tải lên: 31/03/2014, 18:20

... normalization. Notation Normalization n (none) 1 c (cosine) 1 √ w 2 1 +w 2 2 + +w 2 n Significant research has been done in IR on di- verse weighting functions and not all versions of SMART notations are consistent ... a∆(p)c vs. a∆ (p ′ )n. 6 Conclusions In this paper, we presented a study of document representations for sentiment analysis using term weighting functions adopted from inf...

Ngày tải lên: 20/02/2014, 04:20

... cooperative interaction for DNA bind- ing of Ste12 for activation of pheromone response. Most analyses of Ste12- and pheromone-responsive transcription have been performed in the context of the FUS1 ... pheromone responsiveness for each reporter (b-galactosidase activity (· 10 )3 ). A B Fig. 7. Organizational constraints on closely-spaced PREs for pheromone response in vivo. (A) Phe...

Ngày tải lên: 06/03/2014, 22:21

... populations [4]. Transforming clinical management is predicated on translation of the new science into application of advanced markers and tar- gets for personalized cancer prediction, prevention, diagnosis ... mechanisms defining nuclear–cytoplasmic information exchange [12] and forms the interface among transcriptional, translational and post-transla- tional regulation [13] . Significantl...

Ngày tải lên: 16/03/2014, 01:20