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), oneway of conditioning the probabilities ... A Study on Richer Syntactic Dependencies for Structured Language ModelingPeng XuCenter for Language and Speech ProcessingJohns Hopkins UniversityBaltimore, ... the richer syntactic tags. Since thetreebank parses allow us to annotate parent informa-tion onto the constituents, as Johnson did in (John-son, 1998), this richer predictive annotation can...

Báo cáo khoa học: A study on genomic distribution and sequence features of human long inverted repeats reveals species-speciﬁc intronic inverted repeats pptx

... distribution of LIRs in both intronic andintergenic regions (see Fig. S1). We also considered theeffect of the length of these regions on the distribution.The intronic and intergenic regions were ... results conﬁrmed that LIRs tend to residein large intronic and intergenic regions. Only ﬁve LIRswere found in introns < 1 kb (the smallest intron was757 bp), and none in intergenic regions < ... them were located in long introns (largely> 10 kb) of genes. Their distribution appears to be random in introns andis not restrictive, even for regions near intron–exon boundaries. Almosthalf...

Báo cáo khoa học: "A Study on Automatically Extracted Keywords in Text Categorization" doc

... International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 537–544,Sydney, July 2006.c2006 Association for Computational LinguisticsA Study on Automatically ... representation by selectingone or the other for each category. They showthat concept-based representations can outperformtraditional word-based representations, and that acombination of the ... furtherreduce the space, for example chi-square, or infor-mation gain (see for example Forman (2003) for asurvey).Once that the features have been set, the ﬁnaldecision to make is what feature...

Báo cáo khoa học: "A Study on Convolution Kernels for Shallow Semantic Parsing" pdf

... sub-structures composed of syntactic in-formation embodied by parse-tree dependencies and semantic information under the form ofpredicate/argument annotation.(2) This solution is eﬃcient as we have ... observations followsthat the PAF representation may be used withPAK to classify arguments. On the contrary,SCF lacks important information, thus, alone itmay be used only to classify verbs in syntactic categories. ... common characteris-tic is the adoption of feature spaces that modelpredicate-argument structures in a ﬂat repre-sentation. On the contrary, convolution kernelsaim to capture structural information...

Tài liệu Báo cáo khoa học: "A Large Scale Distributed Syntactic, Semantic and Lexical Language Model for Machine Translation" doc

... 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 TechnologyConference (HLT), 48-54.S. Khudanpur and J. Wu. 2000. Maximum entropy tech-niques for exploiting syntactic, semantic and colloca-tional dependencies in language ... Dis-tributed language modeling for N-best list re-ranking.The 2006 Conference on Empirical Methods in Natu-ral Language Processing (EMNLP), 216-223.Y. Zhang, 2008. Structured language models for statisti-cal...

Báo cáo khoa học: "A FRIENDLY AND FLEXIBLE FRONT-END FOR DATA MANAGEMENT SYSTEMS" pptx

... 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 "warehouse" ... deeper description of the problem. If that is not enough, the user can ask for additional information which may include a llst of valid questions. 3. TABLES EUFID is application and data base...

Báo cáo khoa học: "A General Computational Treatment of Comparatives for Natural Language Question Answering" pptx

... 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 Information Systems 3, 2 (1985), ... Transportable Natural Language processor for Office Environments. ACM Transactions on O~ce Information Systems 2, 1 (1984), 1-23. Ballard, B. and Stumberger, D. Semantic Acquisition in TELI: A Transportable,...

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... normalization.Notation Normalizationn (none) 1c (cosine)1√w21+w22+ +w2nSigniﬁcant research has been done in IR on di-verse weighting functions and not all versions ofSMART notations are consistent ... a∆(p)c vs. a∆ (p′)n.6 ConclusionsIn this paper, we presented a study of documentrepresentations for sentiment analysis using termweighting functions adopted from information re-trieval and adapted ... Association for Computational LinguisticsA study of Information Retrieval weighting schemes for sentiment analysisGeorgios PaltoglouUniversity of WolverhamptonWolverhampton, United Kingdomg.paltoglou@wlv.ac.ukMike...

Báo cáo khoa học: Organizational constraints on Ste12 cis-elements for a pheromone response in Saccharomyces cerevisiae docx

... cooperative interaction for DNA bind-ing of Ste12 for activation of pheromone response.Most analyses of Ste12- and pheromone-responsivetranscription have been performed in the context of theFUS1 ... pheromone responsiveness for eachreporter (b-galactosidase activity (· 10)3).ABFig. 7. Organizational constraints on closely-spaced PREs for pheromone response in vivo. (A) Pheromone responsiveness ... acids is able to form multiple complexes on Fig. 1. Organization of a selection of strongly inducible pheromone-responsive promoters. Schematic representation of the organizationof consensus PREs...

Báo cáo khoa học: A study of microRNAs in silico and in vivo: diagnostic and therapeutic applications in cancer pot

... populations [4]. Transforming clinicalmanagement is predicated on translation of the newscience into application of advanced markers and tar-gets for personalized cancer prediction, prevention,diagnosis ... mechanisms deﬁning nuclear–cytoplasmicinformation exchange [12] and forms the interfaceamong transcriptional, translational and post-transla-tional regulation [13] . Signiﬁcantly, miRNAs representa ... regulates cell cycle progressionby inducing genes mediating DNA replication and cellcycle control [43]. Beyond the regulation of key targetscontributing to transformation, the miR-17 clusterdirectly...

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