Tài liệu Báo cáo khoa học: "Automatically Extracting Polarity-Bearing Topics for Cross-Domain Sentiment Classification" pptx

... Association for Computational Linguistics, pages 123–131, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Automatically Extracting Polarity-Bearing Topics for Cross-Domain Sentiment ... allocates 5% of probability mass for mixing. 6.2 Supervised Sentiment Classification We performed 5-fold cross validation for the per- formance evalua...

Ngày tải lên: 20/02/2014, 04:20

... sequence for a sentence x in S is a se- quence C 0,m = (c 0 , c 1 . . . , c m ) of configurations, such that 1. c 0 = c s (x), 2. c m ∈ C t , 3. for every i (1 ≤ i ≤ m)c i = t(c i−1 ) for some t ... transitions that 55 lead to the correct parse. The information given to the classifier is the current configuration. There- fore the training data for the classifier consists of a number of co...

Ngày tải lên: 20/02/2014, 04:20

... pattern discovery is more appropriate for our task because it allows for matching across patterns with permu- tations, for representation of wild cards and for use on smaller data sets. Similar ... decade (see (Hudak and McClure, 1999) for a recent sur- vey). Combinatorial pattern discovery, one tech- nique developed for this problem, promised to be a good fit for our task becaus...

Ngày tải lên: 20/02/2014, 18:20

... topics are assigned to utterances on the basis of the new information carried by the utterance. New in- formation (Clark and Haviland, 1977; Vallduvl and Engdahl, 1996) is the locus of information ... average precision for all the pruned topic types is 74.64%, varying from 95.63% for ROOM to 37.63% for MIx. If MIx is left out, the average precision is 79.27%. The poor precision...

Ngày tải lên: 20/02/2014, 18:20

... respectively v s. 30.86 for the movie reviews . We perform 10-fold cross- validation, where 8 folds are us ed for training, 1 fold for tuning p arameters, and 1 fol d for testin g. Table 3 shows ... performance gains of rational e-enh anced learning models with- out any additional human effort whatsoever (be- yond the document-level sentiment label )? We hy- pothesize that in the ar...

Ngày tải lên: 30/03/2014, 21:20

... in- formation is mentioned earlier, there is no fixed or- der for different elements of an address. For exam- ple, the ZIP code of an address may be mentioned before or after the state information ... recall for district and taluk for the large state Maharashtra. Recall is good for district. For taluk it is lower because a major part of the data belongs to urban areas where taluk i...

Ngày tải lên: 20/02/2014, 04:20

... electrode. For starch extraction, pellets for ethanol extraction were solubilized by heating them to 95 °Cin0.5m NaOH for 30 min. After acidification with 1 m CH 3 COOH, the suspension was digested for ... pattern search method for bound constrained gloabal optimiza- tion. J Glob Optim 39 , 197–219. 34 Schmidt H & Jirstrand M (2006) Systems Biology Tool- box for MATLAB: a compu...

Ngày tải lên: 14/02/2014, 22:20

Ngày tải lên: 18/02/2014, 03:20

... basis for differences in mouse strains in eliciting the HSR has been established as well as for strain differences in heat-sensitivity for the induction of neural tube defects [143]. Therefore, ... lens and olfactory placodes whose formation is influenced by HSFs form from a common territory [95,96]. HSF4 in lens development Congenital cataracts account for 10% of cases of childhood bl...

Ngày tải lên: 18/02/2014, 04:20

... platform formation for Fas-mediated apoptosis. J Exp Med 202, 249– 259. 172 Gajate C & Mollinedo F (2005) Cytoskeleton-medi- ated death receptor and ligand concentration in lipid rafts forms ... Epigenetic DNA-meth- ylation regulation of genes coding for lipid raft-associ- ated components: a role for raft proteins in cell transformation and cancer progression. Oncol Rep 17, 1279–129...

Ngày tải lên: 18/02/2014, 14:20