Báo cáo khoa học: "Parse Forest Computation of Expected Governors" pdf

... Parse Forest Computation of Expected Governors Helmut Schmid Institute for Computational Linguistics University of Stuttgart Azenbergstr. 12 70174 Stuttgart, ... hand sides of a parse forest rule, can be extended to map the set of parse forest rules to the set of underlying grammar rules . is also extended to map trees licensed by the parse forest grammar ... which read...

Ngày tải lên: 23/03/2014, 19:20

... have proposed accounts of this, the problem of ASPEC- TUAL COMPOSITION. Of course, the ultimate aims of these studies have never been to determine the aspectual class of an expression per se ... correlate of referential divisiveness, we assume that the set of individuals composed of a given kind is closed under the part -of relation; that is, whenever an individual y= i...

Ngày tải lên: 22/02/2014, 10:20

... let n be the length of the concatena- tion of articles; let m be the number of unique tokens (after lemmatization and removal of words on the stop list); let B be a list of boundaries, initialized ... been re- moved by one of the filters. Since the repetition of lexi- cal items occurs more frequently within regions of a text which are about the same topic or group of t...

Ngày tải lên: 08/03/2014, 07:20

... version of this paper. For space limitations most of the proofs are omitted; they can be found in the complete paper [2] the form xLy, where L is a finite description of a regular language of ... of the evaluation of constraints containing functional uncertainty. Appendix Proof of Lemma 4.2. The first claim is easy to prove. For the second claim let {L1, ,Ln} C P(~+)...

Ngày tải lên: 17/03/2014, 09:20

... refer to some (or all) of the variables mentioned. The language of basic constraints is clo- sed under conjunction and comes with (computable) notions of consistency (of a constraint) and entail- ... means of new variables and new equalities p(X) , X=T, XI T,, ,Xn=T,, q,(x,,). Here the Xl are vectors of variables and the T/ are vectors of terms. Now consider a standard m...

Ngày tải lên: 23/03/2014, 20:21

... to denote a value in the domain of X. A partial assignment (or simply assignment) of a set X of variables is a function w that maps a subset W of the variables of X to values in their respective ... parameters. L consisted of three labeling schemes: the set L wd of word labels, the set L pt of preterminal labels, and the set L nt of nonterminal labels. The or- der < of...

Ngày tải lên: 31/03/2014, 01:20

... but in each of the 10 folds we train on 90% of the 4000 questions in Question- Bank and on all of Sections 02-21 of the Penn-II Treebank. In both experiments we also backtest each of the ten grammars ... development of QuestionBank, a corpus of 4000 parse- annotated questions for (i) use in training parsers employed in QA, and (ii) evalua- tion of question parsing. We present...

Ngày tải lên: 08/03/2014, 02:21

... investigate the problem of the optimization of computational lexicalization. We study how to choose the computational anchors of a lexicalized grammar so that the distribution of the rules on to ... to evaluate the complexity of the algorithms as a function of the size of the grammar, we assume that I V I and I GI are of the same order of magnitude n. Step 1 of the...

Ngày tải lên: 23/03/2014, 20:21

... performance of a bronchoalveolar lavage for culture, or start of or a change in antimicrobial therapy in case of unex- pected infiltrates on the CXR; repositioning of tubes in case of malposition of orotracheal ... ultrasound of the thorax in case of pleural effusion on the CXR, start or change in medication (diuretics); insertion of a pleural drain; and repositioning of d...

Ngày tải lên: 25/10/2012, 10:39

... the processing of apicoplast protein leader sequence. Inhibition of any of these activities could contribute to MA interference in the maturation of the parasite. Polypharmacology of MA The observed ... mixing 100 l L of 100 l m ZnSO 4 .H 2 O, 200 lL of 0.3 m Na 2 CO 3 pH 10, 10 lL of com- pound (MA or EDTA as control) and 6 lL of Eriochrome Black T (5 mgÆmL )1 in ethanol, p...

Ngày tải lên: 14/02/2014, 14:20