Tài liệu Báo cáo khoa học: "A HARDWARE ALGORITHM FOR HIGH SPEED MORPHEME EXTRACTION AND ITS IMPLEMENTATION" pptx

... A HARDWARE ALGORITHM FOR HIGH SPEED MORPHEME EXTRACTION AND ITS IMPLEMENTATION Toshikazu Fukushima, Yutaka Ohyama and Hitoshi Miyai C&C Systems Research ... parsing speed- up (Fukushima, 1989b) -(Fukushima, 1990a). This paper describes a new hardware algorithm for high speed morpheme extraction and its implementation on a specific machine. This morpheme ... to be designed. 5 CONCLUSION This paper proposes a new hardware algorithm for high speed morpheme extraction, and also describes its implementation on a specific machine. This machine,...

Tài liệu Báo cáo khoa học: A facile method for expression and puriﬁcation of the Alzheimer’s disease-associated amyloid b-peptide pdf

... suppliedwith the enzyme, and contained Aba, Abb and Abcat40 nm each, and the start and stop primers Abstart and Abstop at 600 nm each, and 200 lm each of dATP, dCTP,dGTP and dTTP. The product ... USA), and purified using reverse-phase HPLC. For both synthetic and recombinant Ab peptides, thecorrect mass was confirmed by MALDI-TOF MS and LC-MS.PCR and cloning procedureSynthetic genes for ... acarbon-coated formvar grid, left for 1 min, fixed with glu-taraldehye, wicked dry with filter paper, and 2% uranylacetate was added and the mixture was incubated for 2 min. The grid was wicked dry and...

Tài liệu Báo cáo khoa học: a-Methylacyl-CoA racemase – an ‘obscure’ metabolic enzyme takes centre stage pptx

... acids ortheir metabolites are ligands for receptors involved incancer. Phytol, phytanic acid and other branched-chainlipids are known to be high- afﬁnity ligands for variousreceptors [99–104], ... are agonists for PPAR-d or antagonists for PPAR-c, and this is themolecular basis for cancer formation, at least in somemodel systems. These theories merit further investiga-tion and are attractive ... locatedon both the two and three carbon positions, and thishas consequences for metabolism. The oxidation ofthese fats is stereoselective [1], and this has conse-quences for the regulation of...

Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx

... the Forward-Backward algorithm to estimatethe counts of multigrams. The algorithm has a for- ward variable α and a backward variable β which arecalculated in the standard way (Deligne and Bimbot,1995). ... languages – and efﬁcient. Unlike the pre-vious unsupervised system, and unlike the super-vised and semi-supervised systems we mentioned,our model can be used for both unsupervised and semi-supervised ... classiﬁer and alignment-basedstring similarity for transliteration mining. Thesemethods model the conditional probability distribu-tion and require supervised/semi-supervised infor-mation for learning....

Tài liệu Báo cáo khoa học: "A Gibbs Sampler for Phrasal Synchronous Grammar Induction" docx

... in Section 4 and a Gibbs samplerto explore its posterior. We apply this samplerto build phrase-based and hierarchical translationmodels and evaluate their performance on small and large corpora.2 ... available for the IWSLT work-shop (Eck and Hori, 2005). The sparse counts and high reordering for this corpus means the GIZA++model produces very poor alignments.Table 2 shows the results for the ... machine, and when the inference is distributed on an eightcore machine. Figure 6 plots the mean posterior and standard error for ﬁve independent runs for each scenario. Both sets of runs performed...

Tài liệu Báo cáo khoa học: "A Modular Toolkit for Coreference Resolution" pdf

... coreference informationhas been shown to be beneﬁcial in a number of othertasks, including information extraction (McCarthy and Lehnert, 1995), question answering (Morton,2000) and summarization ... marking up nounchunks and named entities, as well as additional in-formation such as part-of-speech tags and mergingthese information into markables that are the start-ing point for the mentions ... classical combination of tagger and chun-ker, with the Stanford POS tagger (Toutanova et al.,2003), the YamCha chunker (Kudoh and Mat-sumoto, 2000) and the Stanford Named Entity Rec-ognizer...

Tài liệu Báo cáo khoa học: "A Pipeline Framework for Dependency Parsing" ppt

... of words (a, b) afree pair if and only if there is a relation betweena and b and the algorithm can perform L or R ac-tions on that pair when it is considered. Formally,Deﬁnition 2 (free pair) ... DP algorithm and jus-tiﬁes its advantages as a pipeline model. We pro-66pose an improved pipeline framework based on thementioned principles. For many languages such as English, Chinese and ... trend and the Step Back also gives the best dependency ac-curacy. Algorithm 2 depicts the parsing algorithm. 2.2 Correctness and Pipeline PropertiesWe can prove two properties of our algorithm. First...

Tài liệu Báo cáo khoa học: "A Multimodal Interface for Access to Content in the Home" pdf

... modalities and devices. The system provides users with the flexibility to interact using spoken commands, handwritten commands, unimodal pointing (GUI) commands, and multimodal com-mands combining ... components, a description and time-stamp for each system event and user event, names and timestamps for the system-recorded sound files, and timestamps for the start and end of each scenario. Figure ... pen, and remote control input modalities. The remote control can be used to move the current focus and select items. The pen can be used both for selecting items (pointing at them) and for handwritten...

Tài liệu Báo cáo khoa học: "A Unified Framework for Automatic Evaluation using N-gram Co-Occurrence Statistics" pptx

... stop-words (SW) and a function for extracting the stem of a given word (ST). Suppose we have a given NLP application for which we want to evaluate the candidate answer set Candidates for some input ... proposed candidate answers, this formula is a precision-oriented formula, penalizing verbose candidates. This precision score, however, can be made artificially higher when proposing shorter and ... statistics allow for a low representation of faithfulness, but a high representation of compactness), and N=4 corresponds to a high f/c ratio (n-gram statistics up to 4-grams allow for a high representation...

Tài liệu Báo cáo khoa học: " A Declarative Language for Implementing Dynamic Programs∗" pptx

... (Eisner, 2002).5 Speed and Code SizeOne of our future priorities is speed. Comparing infor-mally to the best hand-written C++ code we found online for inside-outside and Dijkstra’s algorithms, Dyna ... used for parsing, syntax-basedmachine translation, morphological analysis, grammarinduction, and ﬁnite-state operations.It is well known that various parsing algorithms for CFG and other formalisms ... Joshua Goodman, David McAllester, and Paul Ruhlen for useful early discussions, and pioneer users MarkusDreyer, David Smith, and Roy Tromble for their feedback and input.This work was supported...

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