Báo cáo khoa học: "Semi-Supervised SimHash for Efficient Document Similarity Search" pptx

... Association for Computational Linguistics, pages 93–101, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Semi-Supervised SimHash for Efficient Document Similarity ... that are similar to a query document is an important component in modern information retrieval. Some ex- isting hashing methods can be used for effi- cient document simila...

Ngày tải lên: 30/03/2014, 21:20

... Association for Computational Linguistics:shortpapers, pages 676–681, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Unary Constraints for Efficient Context-Free ... therefore critical that the number of active states 676 (a) Original tree (b) Transformed tree (c) Dynamic programming chart Figure 1: Example parse structure in (a) the original Penn...

Ngày tải lên: 17/03/2014, 00:20

... protein complex formation is crucial for siRNA channelling into RISC and mediating the transition between the initiation and execution phases of RNAi. Ago proteins are key components of RISC responsible for ... effect. Silencing of viral RNA was observed to be most efficient in cases of long dsRNA (89%), long dsDNA (84%), and siRNA (89%), and less efficient for siDNA (70%), whereas lo...

Ngày tải lên: 16/03/2014, 02:20

... algorithm is given no information whatsoever about the phonemic transcription .used, and even though cognate identification is carried out on the basis of a context-free one -for- one matching ... mata/nas. We base no information about the phonetic values of their constituent characters, we do not know whether the same system of transcription was used in both wordllsts: for all...

Ngày tải lên: 21/02/2014, 20:20

... members of opposing subgroups. For example, consider the following snippet taken from a debate about school uniform 1 www.politicalforum.com, www.createdebate.com, www.forandagainst.com, etc (1) ... the Association for Computational Linguistics, pages 133–138, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics Subgroup Detector: A System for Det...

Ngày tải lên: 16/03/2014, 20:20

... present was built to serve as a platform for research in computational linguistics and tutoring, and can be used for task- based evaluation of algorithms developed for other domains. We are currently ... get the same remediation for the same error regardless of their past perfor- mance or dialogue context, as it is infeasible to author a different remediation dialogue for every poss...

Ngày tải lên: 17/03/2014, 00:20

... automata and transducers for the repre- sentation of the components of the system and de- signed a new and more efficient composition algo- rithm making use of string potentials for their com- bination. ... automata and transducers for the representation of the compo- nents of the system and designed a new and efficient composition algorithm making use of string poten- tials for the...

Ngày tải lên: 23/03/2014, 19:20

... provides much useful information for subsequent process- ing. However, this is generally at the cost of re- duced coverage, due both to the difficulty of pro- viding analyses for all phenomena, and ... practice this is not always true. For example, to improve performance, semantically empty lexemes are not inserted into a generation unless a “trigger-rule” defines a context for them. Th...

Ngày tải lên: 31/03/2014, 00:20

... in. put form of (almos0 any format and returns a set of scoped formulas: scopings(form) = [ build-main(form) }, if form is quantifier free [ build-quant(q,r,s) I q ~ get-quants(form), r ... quantified formulas are 4- part objects. I will occasionally use a simple lan- guage of generalized quantifiers, where the formula format is DET(x,~(x ),¥(x )) for determiners DET and formula...

Ngày tải lên: 01/04/2014, 00:20

... Nunes, C. Ribeiro, and G. David. 2011. Term weighting based on document revision history. Journal of the American Society for Information Science and Technology, 62(12):2471–2478. M. Potthast ... the Association for Computational Linguistics, pages 356–366, Avignon, France, April 23 - 27 2012. c 2012 Association for Computational Linguistics User Edits Classification Using Document...

Ngày tải lên: 22/02/2014, 03:20