Báo cáo khoa học: "Ordering Phrases with Function Words" ppt

... 712–719, Prague, Czech Republic, June 2007. c 2007 Association for Computational Linguistics Ordering Phrases with Function Words Hendra Setiawan and Min-Yen Kan School of Computing National University of ... often encode grammatical relation- ship among phrases within a sentence, we propose a probabilistic synchronous gram- mar to model the ordering of function words and their lef...

Ngày tải lên: 31/03/2014, 01:20

... expected, the good results obtained by the undirected parsers with label-based reconstruc- tion contrast with those obtained by the variants with root-based reconstruction, which performed worse in ... where the nota- tion Σ | i is used for a stack with top i and tail Σ, and we invert the notation for the buffer for clarity (i.e., i | B as a buffer with top i and tail B). The system...

Ngày tải lên: 17/03/2014, 22:20

... BLEU score (Papineni et al., 2002) by including bilingual syntactic phrases in their forest-based sys- tem. Compared with flat phrases, syntactic rules are good at capturing global reordering, which ... interpretations of both aligned and unaligned target function words. In order to con- strain the exhaustive attachments of function words, we further limit the function words to bind...

Ngày tải lên: 30/03/2014, 21:20

... node 2., of nodes 9 and 11 and go down from there. a. Figure 6 With respect to node 2, node 11 is in the same position as 7 is with respect 1. Thus the retative address of cell 11 counted from ... of 9 (binary 1001) and 11 (binary 1011). The relative index of 11, with respect to, 7 (binary 111), is the rest of its index with 1 prefixed to the front. In terms of number of link...

Ngày tải lên: 31/03/2014, 17:20

... clusters (model size) Icl, we want to maximize l(S) with respect to the distri- butions P(nlc ) and p(vlc). The variation of l(S) with respect to these distributions is N /v(v, Ic)@(n ... clusters with cluster memberships determined by p(nlc) and centroid distributions determined by p(vlc ). The asymmetric model simplifies the estima- tion significantly by dealing wi...

Ngày tải lên: 17/03/2014, 08:20

... for about half the total number of noun phrases in a text ill]. The other occurrences are noun phrases with relative clauses, and coordinated noun phrases. In construc- tions of the type ... ambiguity is resolved. Paraphrases of A no B in Case 1 - Case 4 are rather easy, as added verbs/adjectives do not depend so much on context as compared with Case 5. Noun phrases with...

Ngày tải lên: 17/03/2014, 20:20

... (NANC). Since there were very few NPs with more than 5 modifiers, we kept those with 2-5 modifiers and with tags NN or NNS for the head noun. We also kept NPs with only 1 modifier to be used for generating ... Color ∗ Modifier in position i is a color, where we use a list of common colors Starts With a Number ∗ Modifier in position i starts with a number Is a Number ∗ Modifier in positi...

Ngày tải lên: 30/03/2014, 21:20

... 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

... would agree reasonably with DpK a ¼ 1.2 predicted on the basis of pK a values of phosphate and the cofactor 5¢-phosphate in a model compound. These data are consistent with a pH-depend- ent mechanism ... to elicit activity in a potentially active holo-monomer. With very few exceptions [11,12], the results just sum- marized were obtained with a single enzyme, GP f rom rabbit muscle (Rm...

Ngày tải lên: 19/02/2014, 16:20