Báo cáo khoa học: "A Novel Burst-based Text Representation Model for Scalable Event Detection" pptx
Báo cáo khoa học: "A Novel Burst-based Text Representation Model for Scalable Event Detection" pptx
... Association for Computational Linguistics, pages 43–47,Jeju, Republic of Korea, 8-14 July 2012.c2012 Association for Computational LinguisticsA Novel Burst-based Text Representation Model for Scalable ... we compare the performance of differ-ent text representation models for event detection,namely BurstVSM and boostVSM (He et al., 2007b;He et al., 2007a).7 For different representation mod-els, ... this paper, we pro-pose a burst based text representation method for scalable event detection. The major novelty is to nat-urally incorporate temporal information into dimen-sions themselves...
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Tài liệu Báo cáo khoa học: "A Discriminative Syntactic Word Order Model for Machine Translation" pdf
... language model- like features results in a model which significantly outperforms models usingonly some of the information sources.We also evaluate the contribution of our model to the performance ... is useful for addressing the search and modelingproblems for MT ordering.4 A Global Order Model for TargetDependency TreesIn the rest of the paper we present our new word or-der model and ... local tree order model outperformed either model by a large margin. This indicates that combin-ing syntactic (from the LTOM model) and surface-based (from the language model) information is veryeffective...
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Báo cáo khoa học: "A FRIENDLY AND FLEXIBLE FRONT-END FOR DATA MANAGEMENT SYSTEMS" pptx
... the dictionary is not rich enough for him. For example, for efficiency a user might prefer to use "wh" for "warehouse" and "co" for "company". Another ... the data base are entities, events, and funcclons. Entities and events are defined using a case structure representation which combines synCacclc and sm clc information. Lexlcal items which ... contains an encz 7 for each group with its links co ocher groups. For nscwork dace bases, cha link is the chain name for the primary chain chac connects master and derail records. For relational...
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Báo cáo khoa học: "A Modified Joint Source-Channel Model for Transliteration" ppt
... model with no context, bigram model with previous (with respect to the current TU to be transliterated) source TU as the context, bigram model with next source TU as the context, bigram model ... context. ● Model A In this model, no context is considered in either the source or the target side. This is essentially the monogram model. K P(B,E) = Π P(<b,e>k) k=1 ● Model ... target TUs as the context (this is the joint source channel model) , trigram model with previous and next source TUs as the context and the modified joint source-channel model with previous...
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Báo cáo khoa học: "A Syllable Based Word Recognition Model for Korean Noun Extraction" potx
... suitable for the word recognition model. The corpus can be modified through the fol-lowing steps:Step 1 For a given Eojeol, segment word bound-aries and assign word tags to each word.Step 2 For ... Successiveinflected morphemes form a word and the combinedform of the first and the last morpheme’s tag repre-sents its tag. For example, the morpheme-unit POStagged form of the Eojeol “(gass-eoss-da)”is ... for precision but worse for recall, and better for F-measure. The representa-tion schemes using single syllable information (e.g.“BIS”, “IES”) are better than other representation schemes (e.g....
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Báo cáo khoa học: "A Feature-Rich Constituent Context Model for Grammar Induction" doc
... 1 1SUFFIX-NN: 1 1contextBASIC--VBD: 1 0BASIC-VBD-: 0 1L-CONTEXT-: 1 0L-CONTEXT-VBD: 0 1R-CONTEXT-VBD: 1 0R-CONTEXT-: 0 1Table 1: Span and context features for constituent spans (0, ... CONTEXT model, for each context y =[β1, β2] and constituent/distituent decision x, we usethe following feature templates:BASIC: I [y = · ∧ x = ·]L-CONTEXT: I [β1= · ∧ x = ·]R-CONTEXT: ... areactive for at most one span, the remaining featuresfire for both spans, effectively sharing informationbetween the local probabilities of these events.The coarser CONTEXT features factor the contextpair...
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Báo cáo khoa học: "A Clustered Global Phrase Reordering Model for Statistical Machine Translation" docx
... predecessorblock: thus in their model, the global reordering isnot explicitly modeled.In this paper, we present a global reordering model that explicitly models long distance re-ordering1. ... for a Japanese-English bilin-gual sentence. For the estimation of the globalphrase reordering model, preliminary tests haveshown that the appropriate N-best number is 20.In counting the events ... reorder-ing model, while “class4” and “lex4”represent thefour-valued global reordering model. “Class” and“lex” represent clustered and lexical models, re-spectively. We used “grow-diag-final” for phraseextraction...
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Báo cáo khoa học: "An Improved Extraction Pattern Representation Model for Automatic IE Pattern Acquisition" ppt
... that theproposed Subtree model outperforms the previousmodels.Section 2 describes the Subtree model for extrac-tion pattern representation. Section 3 shows themethod for automatic acquisition. ... compar-ing the performance of the earlier extraction patternmodels to the proposed Subtree Model (SUBT). Thecompared models are the direct predicate-argument model (PA)9, and the Chain model (CH) ... future research.2 Subtree model Our research on improved representation models for extraction patterns is motivated by the limitations ofthe prior extraction pattern representations. In thissection,...
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Tài liệu Báo cáo khoa học: A novel electron transport system for thermostable CYP175A1 from Thermus thermophilus HB27 doc
... There-fore, these results clearly indicate that the electrontransport system for CYP175A1 is composed of Fdx,FNR, and NADPH (Fig. 4B).All quantitative analyses were performed at 65 °C for 2 ... via OFOR and Fdx to CYP119 [13,14]. Inter-estingly, the electron transport system for CYP175A1did not utilize OFOR, although the T. thermophilusHB27 genome contains the genes encoding OFOR(TTC1591 ... 5¢-GGAATTCCATATGAAGCGCCTTTCCCTG-3¢ (forward primer) and 5¢-CCAAGCTTTCACGCCCGCACCTCCTCCCTAG-3¢ (reverse primer). PCR was carriedout at 94 °C for 5 min, and this was followed by 30 cyclesof 94 °C for 30 s, 55 °C for 30...
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Tài liệu Báo cáo khoa học: A novel splice variant of occludin deleted in exon 9 and its role in cell apoptosis and invasion docx
... (Promega) after 48 h of transfection. Cellswere fixed in 4% formaldehyde for 25 min at 4 °C and per-meabilized with 0.2% Triton X-100 for 5 min at room tem-perature. After being washed with NaCl ... each exon of occludin. (C) 3¢-RACE was performed on the cDNA of Chang cells, and the PCR product was sequenced.(D) PCRs for exon 1 and exon 1a were performed in Huh7 and Chang cells. (E) The boundary ... TSA(300 nM) were used to treat Chang cells. MSP analysis for theoccludin promoter and PCR with primers for exon 1 and exon 1awere performed using demethylating agent-treated cells. (C) OccWTexpression...
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