Báo cáo khoa học: "Reordering Constraint Based on Document-Level Context" potx

... In the k-dimensional principal eigenspace, each dimension of the space describes a semantic concept of the query. When one eigen- value is bigger, the corresponding dimension con- tains more query ... algorithm often converges to a local maximum that depends on the initial conditions. There are also many relevant research on Chinese word segmentation (Teahan et al., 2000; Peng and Schuurm...

Ngày tải lên: 08/03/2014, 01:20

... other classes. Besides distributional data, our method integrates this semantic information: the classification decision is a function of both (1) the distributional similarity of the new word ... h) T is directly proportional to the length between the least common hypernym and the root, which captures the intuition that a given length between two concrete concepts signifies greater similari...

Ngày tải lên: 08/03/2014, 21:20

Ngày tải lên: 09/03/2014, 01:20

... ranking -based word reordering model, then followed by detailed steps of modeling train- ing and integration into a phrase -based SMT system. Experimental results are shown in Section 5. Section 6 consists ... translation element and deal with local re- ordering, while a distance based distortion model is used to coarsely depict the exponentially decayed word movement probabilities in lan...

Ngày tải lên: 19/02/2014, 19:20

... not content depen- dent either. Flat model assigns constant probabili- ties for monotone order and non-monotone order. The two probabilities can be set to prefer mono- tone or non-monotone orientations ... International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 521–528, Sydney, July 2006. c 2006 Association for Computational Linguistics Maximum Entro...

Ngày tải lên: 08/03/2014, 02:21

... substitutions, not based on the words). The distance is calculated based on the number of editing operations (deletions and insertion) needed to transfer the input sentence substitutions to the ... more than one substitution into a single substitution based on the knowledge index before replacement is carried out or treat it as optional substitution which will be added as ad...

Ngày tải lên: 08/03/2014, 05:21

... dòng xe trong ngày làm việc cao hơn ngày nghỉ khoảng 10-11%, tỷ lệ xe máy trong ngày làm việc cũng lớn hơn ngày nghỉ (tính trung bình trong ngày làm việc xe máy chiếm tỷ lệ 88,4%, trong ngày ... tiếng ồn đường phố của Hà Nội trong thời gian qua. 2. Mức ồn ở một số đường phố Hà Nội từ 1996- 2005 Kết quả đo tiếng ồn tại các điểm quan trắc trong chương trình monitoring môi trường Hà Nội từ...

Ngày tải lên: 18/02/2014, 13:20

... RNA conformation cannot be captured by the intermolecular potential function used here. Given these observations, it is reasonable to con- clude that the omission of protein intramolecular con- tacts ... binding constants for two sets of related mutations have been reported [49]: one set for mutations on the Fox-1 protein and a second set for mutations to its target RNA molecule. A moderate...

Ngày tải lên: 18/02/2014, 16:20

... identi- cal protein concentrations (5 lm) were prepared: one in buffer only (native protein) and one in buffer containing a high concentration of urea (unfolded protein). Stock urea solutions were made ... dependent on urea concentration, following the relationship DG obs = DG(H 2 O) ) m[urea] where m is a constant reflecting the gradient of a plot of DG as a function of denaturant concentra...

Ngày tải lên: 18/02/2014, 17:20

... ion toler- ance of ± 3 m ⁄ z, a peptide ion tolerance of ± 3 m ⁄ z, one missed cleavage, fixed carbamidomethylation of cysteines and variable oxidation of methionines were specified. Purification ... relies on a multitude of guidance cues to stimulate axonal exten- sion and stable synaptic contacts with targets such as muscles. Interpretation of these environmental signals by growth cones invo...

Ngày tải lên: 19/02/2014, 05:20