Báo cáo khoa học: "A Novel Discourse Parser Based on Support Vector Machine Classification" docx

... Singapore, 2-7 August 2009. c 2009 ACL and AFNLP A Novel Discourse Parser Based on Support Vector Machine Classification David A. duVerle National Institute of Informatics Tokyo, Japan Pierre & ... Section 5 concludes the paper. 2 Building a Discourse Parser 2.1 Assumptions and Restrictions In our work, we focused exclusively on the second step of the discourse par...

Ngày tải lên: 30/03/2014, 23:20

... 93) conditioned probabilities on non-terminal labels and part of speech tags alone. The SPATTER parser (Magerman 95; 3elinek et ah 94) does use lexical information, and recovers labeled constituents ... backed-off estimation strategy is used for mak- ing prepositional phrase attachment decisions. The idea is to back-off to estimates based on less context. In this case, less con...

Ngày tải lên: 08/03/2014, 07:20

... SSMFLK Consistency Method Homonic−CMN Green Function SVM Naive Bays Figure 8: Accuracy results with increasing number of labeled documents on Amazon dataset 7 Conclusion The primary contribution of ... assump- tion closely related to Singular Value Decomposi- tion (see also (Dhillon, 2001; Zha et al., 2001) for more on this perspective) while our model is based on Non-negative Matrix...

Ngày tải lên: 30/03/2014, 23:20

... provide additional information to BOW when used for question repre- sentation. This can be explained by considering that answer classification (restricted to description ques- tions) does not ... three phases: question pro- cessing, document retrieval and answer extraction (Kwok et al., 2001). Question processing is often centered on question classification, which selects one of k expected .....

Ngày tải lên: 20/02/2014, 12:20

... new text, one may encounter similar expressions with new words like Texas or Autumn. We propose a concrete classification problem as our main evaluation setting for the acquired selec- tional preferences: ... (verb, syntactic function, noun) triples, and the correlation with human plausibil- ity judgement is used for evaluation. Resnik’s selectional preference scored best among class- based...

Ngày tải lên: 23/03/2014, 17:20

... (0.1–1.6%) on b-carotene hydroxylation activity. The b-carotene hydrox- ylation reactions were carried out under the conditions described above, and the products were extracted with ice-cold acetonitrile ... at high temperature. Results Isolation and identification of the components of the CYP175A1 electron transport system To find the electron donor of the electron transport system for CYP17...

Ngày tải lên: 18/02/2014, 08:20

... h. Construction of expression vectors and transfection cDNA fragments representing the complete ORFs of occlu- din (GenBank accession no. NM002538) and occludin exon 9 deletion variant were cloned ... 2008 The Authors Journal compilation ª 2008 FEBS To confirm the effects of occludin on the cytoplas- mic calcium concentration, we analyzed calcium concentrations by using X-rhod-1, a calcium i...

Ngày tải lên: 18/02/2014, 18:20

... FEBS 100 80 60 40 20 0 [%] 10 -11 10 -10 10 -9 10 -8 10 -7 10 -6 100 80 60 40 20 0 [%] 10 -11 10 -10 10 -9 10 -8 10 -7 10 -6 100 80 60 40 20 0 [%] 10 -11 10 -10 10 -9 10 -8 10 -7 10 -6 100 80 60 40 20 0 [%] 10 -11 10 -10 10 -9 10 -8 10 -7 10 -6 100 80 60 40 20 0 [%] 10 -10 10 -9 10 -8 10 -7 10 -6 10 -5 100 80 60 40 20 0 [%] 10 -11 10 -10 10 -9 10 -8 10 -7 10 -6 100 80 60 40 20 0 [%] 10 -11 10...

Ngày tải lên: 19/02/2014, 00:20

... decreased with increasing 6-Cy- SeCD concentration. When the 6-CySeCD concentra- tion was 20 lm and mitochondria were damaged for 50 min, the TBARS content was only 24% of that in the damage group ... compilation ª 2007 FEBS on mitochondrial swelling and lipid peroxidaton in the absence of damage. Exposing mitochondria in vitro to redox active xeno- biotics may simulate oxidative damage of...

Ngày tải lên: 19/02/2014, 02:20

... as strong, medium and weak using cross-peaks from intraring proton-proton contacts for calibration. Heteronuclear single quantum coherence (HSQC) and heteronuclear multiple bond correlation (HMBC) ... Donato, A. (2002) Expression and purification of the recombinant subunits of toluene/o-xylene monooxygenase and reconstitution of the active complex. Eur. J. Biochem. 69, 5689– 5699. 6. Bertoni,...

Ngày tải lên: 19/02/2014, 13:20