Tài liệu Báo cáo khoa học: "Parsing Algorithms and Metrics" doc

... between 1 and n the triple (s,s, ws) E T. • The tree is binary branching and consistent. Formally, for every (s,t, X) in T, s ¢ t, there is exactly one r, Y, and Z such that s < r < t and ... called the Zero Cross- ing Brackets Rate), and Precision and Recall. De- spite the variety of evaluation metrics, nearly all re- searchers use algorithms that maximize performa...

Ngày tải lên: 20/02/2014, 22:20

... nucleus and cytoplasm, and c-Abl activated by a death signal induces phosphorylation and activation of pro-apoptotic JNK and SAPK. Interestingly, c-Abl is also located on the ER surface, and translocates ... induces the expression of BiP and CHOP, activates JNK2 and caspase-12, and causes the apoptosis of neurons [219]. These findings suggest a strong correlation between ER str...

Ngày tải lên: 19/02/2014, 02:20

... describe several tabular algorithms for Tree Adjoining Grammar parsing, creating a continuum from simple pure bottom-up algorithms to complex pre- dictive algorithms and showing what transformations ... -+ R a for each initial tree and the two additional pro- ductions T * R ~ and F ~ ~ 2_ for each auxiliary tree B, where R ~ and F ~ correspond to the root node and the...

Ngày tải lên: 22/02/2014, 03:20

... Hij and geeft in the first sentence, bloem and geeft in the second sen- tence and politieman and geeft in the third sentence. Even with the indices, either the dependency be- tween politieman and ... determined if the head constituent is fully expanded. For instance, if expands to a non-head and to a head , it is necessary to know how the expands to determine which argument is fille...

Ngày tải lên: 20/02/2014, 16:20

... subtypes from a morphological and syntactico- semantic perspective and examples of their lexical specifications are shown. The main characteristics of the utterance parser and an approach to explaining ... (e.g. "ossyar-" from "iw-" [speakvstem]) |N.B.] HP and CS stand for 'Honoric Prefix' and 'Conjugation Suffix' respectively. Words is...

Ngày tải lên: 21/02/2014, 20:20

... tag set, 3 use the learner to tag new documents, and con- vert the best tag sequence into a span sequence. When trained on 41 documents (with 1573 IGT instances) and tested on 10 documents (with 447 instances), ... iden- tification algorithms significantly. The detail of the al- gorithm and experimental results is described in (Xia et al., 2009). Running the new IGT detection on the ori...

Ngày tải lên: 22/02/2014, 02:20

... vein of Kay's (1977,1979,1980) and Kaplan's (1973) functional and general syntactic parsers. At present we are working at the context-free gram- mar and the semantic information to be ... both from tcp-down and bottom- up procedures in an efficient way (plus the obvious back-up and parallel processing operations usually required). Besides, both semantic and grammat...

Ngày tải lên: 22/02/2014, 09:20

... between lexical categories and constituent structure on the one hand, and for the relation between lexical items and DODs on the other. The relation between lexical heads and major syntactic constituents ... perceived as and talked about as an individual may serve as a discourse object. Thus, objects and facts represented in a database as well as the user's inputs, the...

Ngày tải lên: 22/02/2014, 10:20

... time courses and effects of unlabeled ligands and low pH on the dissociation rates of [ 125 I]TC-PCSK9 (A) and [ 125 I]TC-PCSK9-D374Y (B) from HepG2 cells. Binding to equilibrium and removal of ... °Cto prevent endocytosis of bound ligand. The cells were also kept at 4 °C during the washing steps. The standard bind- ing medium for all experiments was DMEM containing 20 mm Hepes and...

Ngày tải lên: 14/02/2014, 14:20

... PcrH and IpgC are shown in yellow, green and magenta, respec- tively. The peptides located within the concave regions of PcrH and IpgC, corresponding to sections of the N-termini of PopD and IpaB, ... levels (i.e. 38% for Pseudomonas PopD and Yersinia YopD; 29% for Shi- gella IpaC and Salmonella SipC). Indeed, sections of IpaC and SipC (as well as YopD and PopD) are inter- cha...

Ngày tải lên: 14/02/2014, 22:20