Báo cáo khoa học: "Phrase Linguistic Classification and Generalization for Improving Statistical Machine Translation" docx

... sir for how many people please" Figure 3: Structure for (1) 3.2 Splitting input into well-formed parts and ill-formed parts Item (C) splits input into well-formed parts and ill-formed ... combine a sentence for X and a noun phrase for Y. By item (C), utterances (2) and (3) can be parsed in these situations as shown in Figure 4. Figure 4: Structures for (2) an...

Ngày tải lên: 08/03/2014, 05:21

... the Association for Computational Linguistics:shortpapers, pages 598–602, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Hierarchical Text Classification with ... “Sport- s” and “Education” in news classification, “Junk E- mail” and “Ordinary Email” in email classification. In the literature, many algorithms (Sebastiani, 2002; Yang and Liu, 1...

Ngày tải lên: 20/02/2014, 05:20

... Support Vector Machines (SVM), Random Forests (RF) and Logistic Regression (Logit). 7 SVMs (Cortes and Vapnik, 1995) and Logistic Regression (or Maximum Entropy classifiers) are two widely used machine ... 2001. Random forests. Machine learn- ing, 45(1):5–32. J. Chae and A. Nenkova. 2009. Predicting the fluency of text with shallow structural features: case stud- ies of machine tr...

Ngày tải lên: 22/02/2014, 03:20

... ice for 1 h, and at 42 °C for 2 min, followed by 2 min incuba- tion on ice. After transformation, 800 lL Luria–Bertani medium was added, and the mixture incubated at 37 °C for 1 h. Transformed ... loop 2 and loop 3. These inter- actions seem to form a ‘lower neck’ in the protein as compared with the ‘upper neck’ which is formed by E75 with H121 and K915. The forces responsible...

Ngày tải lên: 20/02/2014, 01:20

... G75 with H121 and K9, and of G129 with K110 and K133. Other charged amino acids such as D73, D83 and E101 reinforce the interactions of E75 and E129. H M. Chen et al. Local stability and key acidic ... incubated on ice for 1 h and at 42 °C for 2 min, followed by a further 2 min incubation on ice. After transformation, 800 lLofLB medium were added and incubated was at 37 °C...

Ngày tải lên: 07/03/2014, 21:20

... profile of k syn for wild-type CcStP. Fits of the data to Eqn (3) yielded pK a values of 6.9 ± 0.3 and 7.9 ± 0.3 for wild- type enzyme and PL-CcStP, respectively. Discussion Formation and characterization ... Except for R226A and R242A mutants (Table 1), all enzymes were stable for 2 h in the presence of 5 m M potassium phosphate and potassium sulphate. Reconstitutions with P...

Ngày tải lên: 19/02/2014, 16:20

... our laboratories [26,50] and contain mainly procyanidins. OWG and OWP are composed of species that are soluble in both ethyl acetate and water, and the rest of the frac- tions (G for grape, P for pine) were ... lL of Realpure kit lysis buffer and 10 lL of proteinase K, and incubated for 1 h at 55 °C. RNA digestion was per- formed with 1.5 lL of RNase for 1 h at 37 °C, and...

Ngày tải lên: 07/03/2014, 05:20

... metric for evaluation of ma- chine translations. Second, we showed corrected and uncorrected machine translations to Czech speakers and collected subjective judgments of fluency and accuracy. For ... as cross-language information retrieval and ma- chine translation help humans access information they could not otherwise find or understand, they are often inadequate for hi...

Ngày tải lên: 08/03/2014, 02:21

... review SCL and in- troduce our new pivot selection method. Section 3 describes datasets and experimental method. Sec- tion 4 gives results for SCL and the mutual informa- tion method for selecting ... researchers and engineers who build sentiment classification systems need to collect and curate data for each new domain they encounter. Even in the case of market analysis, if...

Ngày tải lên: 08/03/2014, 02:21

... 33% and 52%, and FLSA reduces error rates between 60% and 78%. LSA is an attractive method for this task because it is straightforward to train and use. More impor- tantly, although it is a statistical ... respectively for CallHome and for MapTask. Finally, for both LSA and FLSA, Table 4 includes, in parenthesis, the dimension k of the re- duced semantic space. For eac...

Ngày tải lên: 08/03/2014, 04:22