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. c 2012 Association for Computational Linguistics A 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...

Ngày tải lên: 23/03/2014, 14:20

... language model- like features results in a model which significantly outperforms models using only some of the information sources. We also evaluate the contribution of our model to the performance ... is useful for addressing the search and modeling problems for MT ordering. 4 A Global Order Model for Target Dependency Trees In the rest of the paper we present our new word or- de...

Ngày tải lên: 20/02/2014, 12:20

... 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...

Ngày tải lên: 08/03/2014, 18:20

... 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 )...

Ngày tải lên: 17/03/2014, 04:20

... 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 ... Successive inflected morphemes form a word and the combined form of the first and the last morpheme’s tag repre- sents its tag. For example, the morpheme-unit POS tagged form of the Eojeo...

Ngày tải lên: 17/03/2014, 06:20

... 1 1 SUFFIX-NN: 1 1 context BASIC--VBD: 1 0 BASIC-VBD-: 0 1 L-CONTEXT-: 1 0 L-CONTEXT-VBD: 0 1 R-CONTEXT-VBD: 1 0 R-CONTEXT-: 0 1 Table 1: Span and context features for constituent spans (0, ... CONTEXT model, for each context y = [β 1 , β 2 ] and constituent/distituent decision x, we use the following feature templates: BASIC: I [y = · ∧ x = ·] L-CONTEXT: I [β 1 = · ∧ x = ·] R-CONTEX...

Ngày tải lên: 23/03/2014, 14:20

... predecessor block: thus in their model, the global reordering is not explicitly modeled. In this paper, we present a global reordering model that explicitly models long distance re- ordering 1 . ... for a Japanese-English bilin- gual sentence. For the estimation of the global phrase reordering model, preliminary tests have shown that the appropriate N-best number is 20. In counting th...

Ngày tải lên: 31/03/2014, 01:20

... that the proposed Subtree model outperforms the previous models. Section 2 describes the Subtree model for extrac- tion pattern representation. Section 3 shows the method for automatic acquisition. ... compar- ing the performance of the earlier extraction pattern models to the proposed Subtree Model (SUBT). The compared models are the direct predicate-argument model (PA) 9 , and...

Ngày tải lên: 23/03/2014, 19:20

... There- fore, these results clearly indicate that the electron transport 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 CYP175A1 did not utilize OFOR, although the T. thermophilus HB27 genome contains the genes encoding OFOR...

Ngày tải lên: 18/02/2014, 08:20

... (Promega) after 48 h of transfection. Cells were 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)...

Ngày tải lên: 18/02/2014, 18:20