Báo cáo khoa học: "Representing Constraints with Automata" doc

... some of the problems of the naive approach, concluding with a discussion of its strengths and weaknesses. 2 Defining Automata with Constraints Tree automata. For completeness, we sketch ... Representing Constraints with Automata Frank Morawietz and Tom Cornell Seminar fiir Sprachwissenschaft Universit£t ... the denotation of Xi, we indicate this by labeling n with a bit st...

Ngày tải lên: 31/03/2014, 21:20

... of product properties with associated sentiment from review text (Hu and Liu, 2004; Liu et al., 2005a; Popescu et al., 2005). These methods identify rele- vant information in a document using a wide ... which were not addressed in prior research that focused on per- document analysis. A second related line of research is multi- document review summarization. Some of these methods directly a...

Ngày tải lên: 17/03/2014, 00:20

... and z and ~/are variables. A feature clause is a finite set of constraints of the above forms. As usual we interpret constraints with respect to a variable assignment, in order to make sure ... not contain a string zpa together with zpb (where a ~ b) or together with zpf. It is clear that the property of a reg- ular language L of being dash-free with respect to L and A can b...

Ngày tải lên: 08/03/2014, 07:20

... parsing with a POS tagger or with gold standard POS tags. Figure 4 shows the accuracy of HPSG predicate-argument relations obtained with depen- dency constraints determined by dependency pars- ing with ... sentences were automatically tagged with parts- of-speech with about 97% accuracy, using a max- imum entropy POS tagger. We also report results on parsing text with gold sta...

Ngày tải lên: 23/03/2014, 18:20

... pressed with graded constraints: • Hard constraints with a score of zero (e. g. con- straint SubjUnique) exclude totally unaccept- able structures from consideration. This kind of constraints ... word order are specified by means of weaker constraints with score larger than, but near to zero, e. g. constraint SubjNumber. • Weak constraints with score near to one can...

Ngày tải lên: 23/03/2014, 19:20

... global constraints and can generate syntactically correct sentences. Our concern is how a model with SR constraints is superior to a model without them. MLN with SRL outperforms MLN without SRL with ... re-implemented McDonald’s model with an ILP solver and experimented it on the WNC Corpus. 9 MLN with SRL and MLN w/o SRL are our Markov Logic models with and with- out SR Co...

Ngày tải lên: 30/03/2014, 17:20

... PR with the V32I mutation; PR I50V , PR with the I50V mutation; PR I54M , PR with the I54M mutation; PR I54V , PR with the I54V mutation; PR I84V , PR with the I84V mutation; PR L90M , PR with ... compared with PR WT –SQV. (B) PR I50V –APV compared with PR I50V –SQV. (C) PR I54M –APV compared with PR I54M –SQV. (D) PR I54V –APV compared with PR I54V –SQV. (E) PR I84V –APV...

Ngày tải lên: 18/02/2014, 04:20

... R3. The PCR product with a size of  1.6 kb was digested with BamHI to obtain a fragment between the two copper-binding site coding regions and ligated to pBlueScript pKSII(+) with T4 DNA ligase ... R3-1501 – than R3- 0337 – . This pattern agrees with the presence of two different enzymes with overlapping activities. Purification of two enzymes with different affinities for monophen...

Ngày tải lên: 19/02/2014, 07:20

... a pattern with which to expand it and then filling out that pattern with words drawn from a unigram distribution. This kind of coupled generative process can be naturally formalized with tree ... gen- erate MR and NL associated with MR rules m -v (top). Transducer rule 2 selects MR rule r from the MR gram- mar. Rule 3 simultaneously writes the MR associated with rule m and chooses an...

Ngày tải lên: 19/02/2014, 19:20

... the SRH. We show the performance of GIZA++ and HM- BiTAM with the SRH in the lines entitled with SRH” in Table 1. The GIZA++ and HM-BiTAM with the SRH slightly outperformed the standard GIZA++ ... alignment model. We formulate a syn- onym pair generative model with a topic variable and use this model as a regularization term with a bilingual word alignment model. The topic vari- able...

Ngày tải lên: 20/02/2014, 04:20