Tài liệu Báo cáo khoa học: "An ERP-based Brain-Computer Interface for text entry using Rapid Serial Visual Presentation and Language Modeling" ppt

... 21 June 2011.c2011 Association for Computational LinguisticsAn ERP-based Brain-Computer Interface for text entry using Rapid Serial Visual Presentation and Language ModelingK.E. Hild◦,U. ... atten-tion and visual speller design in an ERP-based brain-computer interface. Behavioral and Brain Functions,6(1):28.J.R. Wolpaw, N. Birbaumer, D.J. McFarland,G. Pfurtscheller, and T.M. Vaughan. ... symbols is removed and, like before, theuser can take a break and then the system continueswith the next epoch.3 Language Modeling Language modeling is important for many text pro-cessing...

Tài liệu Báo cáo khoa học: "Learning with Unlabeled Data for Text Categorization Using Bootstrapping and Feature Projection Techniques" doc

... contexts, we can compute the similarity by using contextual information. Words and contexts play complementary roles. Contexts are similar to the extent that they contain similar words, and ... words and the keywords. We finally construct context-cluster of each category as the combination of centroid-contexts and contexts selected by the similarity measure. Using the context-clusters ... contexts (Karov and Edelman, 1998). This definition is circular. Thus it is applied iteratively using two matrices, WSM and CSM. Each category has a word similarity matrix WSMn and a context...

Tài liệu Báo cáo khoa học: An immunomodulator used to protect young in the pouch of the Tammar wallaby, Macropus eugenii pptx

... providesequencing information. These have been describedpreviously [30]. Two of these (a and b cleavages) arefragmentations of amide moieties, and give infor-mation analogous to that provided by B and Y+2cleavages ... on HPLC fractions and synthetic euge-nin was carried out by the Microbiology Department of theInstitute of Medical and Veterinary Science (Adelaide,Australia) using a standard procedure [56]. ... Department of Clinical and Experimental Pharmacology, The University of Adelaide, South Australia4 Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, AustraliaMarsupials...

Tài liệu Báo cáo khoa học: "An Open Source Toolkit for Phrase-based and Syntax-based Machine Translation" docx

... standard phrase-based decoding, decoding as parsing, decoding as tree-parsing, and forest-based decoding. z It is easy-to-use and fast. A new system can be built using only a few commands. ... ARPA-format LMs, MIRA for weight tuning and a beam-stack decoder which removes the ITG constraint for phrase decoding. In addition, a Hadoop-based MapReduce-parallelized version is underway and ... parsing/tree-parsing and forest-based decoding. Moreover, several useful utilities were distributed with the toolkit, including a discriminative reordering model, a simple and fast language model, and an...

Tài liệu Báo cáo khoa học: "An Entity-Mention Model for Coreference Resolution with Inductive Logic Programming" pdf

... sub-sections, with the sample text in Table 1 used for demonstration. In the table, a mention m is high-lighted as [ m ]eidmid, where mid and eid are the IDs for the mention and the entity to which ... “Mr. Powell”, and therefore refers to a maleperson and cannot co-refer with “she”.The entity-mention model based on Eq. (2) per-forms coreference resolution at an entity-level. For simplicity, ... disambiguation using ilp. Technical report, Oxford University ComputingLaboratory.P. Denis and J. Baldridge. 2007. Joint determination ofanaphoricity and coreference resolution using integerprogramming....

Tài liệu Báo cáo khoa học: "An alternative LR algorithm for TAGs" docx

... CS(N), for each N; • (N, L) • CS(N), for each N such that N <~* l, and each L • Af*; • N • CS(N), for each N such that -~(N<~*l); and • for each N, children(N) = MI""Mm and ... stack. This can be used for computation of derived trees or derivation trees, and for computation of features. Since this technique is almost identical to that for the context-free case, it suffices ... will (exactly) one of the Xj be of the form (M, L), some M. and set X = N if L [] and X = (N,L) otherwise) The shift step is identical to that for context- free LR parsing. There are two...

Tài liệu Báo cáo khoa học: "An Efficient Parallel Substrate for Typed Feature Structures on Shared Memory Parallel Machines" docx

... Applied Natural Language Processing, pages 71-76. Association for Computational Linguistics. T. Kasami. 1965. An efficient recognition and syntax algorithm for context-free languages. Technical ... Cambridge, England. K. Clark and S. Gregory. 1986. Parlog: Parallel programming in logic. Journal of the A CM Transaction on Programming Languages and Syste ms, 8 ( 1):1-49. Ralph Grishman and Mehesh ... on PSTFS for a speech recognition system, a Natural Language Interface or Speech Machine Translation applications. References Adriaens and Hahn, editors. 1994. Parallel Natural Language...

Tài liệu Báo cáo khoa học: "AN INTEGRATED HEURISTIC SCHEME FOR PARTIAL PARSE EVALUATION" docx

... The results indicate that using the GLR* parser results in a significant improvement in performance. When using the full heuristics, the percentage of sentences, for which the parser returned ... Computational Linguistics, 19(1):25-59, 1993. [Lavie and Tomita, 1993] A. Lavie and M. Tomita. GLR* - An Efficient Noise-skipping Parsing Algo- rithm for Context-free Grammars. In Proceedings of Third ... that are used for disambiguation and parse evaluation. After some experimentation, the evaluation feature weights were set in the following way. As previously described, the penalty for a skipped...

Tài liệu Báo cáo khoa học: "An Efficient Generation Algorithm for Lexicalist MT" ppt

... Peter Gibbins, Inn Johnson, Andrew Kay and Antonio Sanfilippo at SLE, and our anonymous reviewers for useful feedback and discussions on the re- search reported here and on earlier drafts of ... it is well-formed or ill-formed. • maximal iff it is well-formed and its parent (if it has one) is ill-formed. In other words, a maximal TNCB is a largest well-formed component of a TNCB. ... refined and empirically tested for efficiency. Since complete specification of transfer operations is not required for correct generation of grammatical target text, the version of Shake -and- Bake...

Tài liệu Báo cáo khoa học: Modulation of a-synuclein aggregation by dopamine in the presence of MPTP and its metabolite pptx

... 240 h. Samples containingMPTP (A and C) and MPP+(B and D) were analysed by SDS ⁄ PAGE(A and B) on 5–15% crosslinked polyacrylamide gel and westernblotting (C and D). (A, B) Lane M, prestained ... incubation, the intensity of the band for themonomeric protein decreased, whereas the bands for the higher molecular mass aggregates intensified. Thisconfirmed the formation of SDS-insoluble aggregatesof ... [38] using bovine serum albumin as a standardprotein. The pooled eluate fractions were dialysed againstwater and then lyophilized.Gel electrophoresis and immunoblottingThe expression and purification...

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