... percentage of sentences with correct answers), as well as F1: the harmonic mean of precision (the proportion of correct answers out of sentences with a parse) and recall (the proportion of correct ... i th child of the parent produced by rule m. Aside from ensuring the grammaticality of the generated MR, rules of this type also model the probability of the MR, con- ditio...
Ngày tải lên: 19/02/2014, 19:20
Ngày tải lên: 20/02/2014, 18:20
Báo cáo khoa học: "Incremental Parsing with Monotonic Adjoining Operation" potx
... the same nonterminal symbol as η, i.e., combines the upper tree of σ with the root of β and the lower tree of σ with the foot of β. We write a η,β ( σ ) for the partial parse tree obtained by ... the ancestor labels of R. L is a set of the left-sibling labels of R. H is the head label in L. w H and t H are the head word and head tag of H, respectively. D is a set of dist...
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Semantic parsing with Structured SVM Ensemble Classification Models" docx
... The application of the proposed framework on the domain of semantic parsing shows ad- vantages in comparison with the original large margin methods. 1 Introduction Natural language semantic parsing is ... from the set of trees as follows. Let t 1 , t 2 , , t K be a set of candidate parse trees produced by an ensemble of K parsers. From the set of tree t 1 , t 2 , , t K we ge...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo khoa học: "Shallow parsing on the basis of words only: A case study" pptx
... NP for three months without being charged . I-PP PP three months without being charged . I-VP NOFUNC months without being charged . I-VP VP/S-NOM without being charged . O NOFUNC Table 1: Encoding ... three I-VP NOFUNC Once he was held for three months I-VP VP/S he was held for three months without I-PP PP-TMP was held for three months without being I-NP NOFUNC held for three months without b...
Ngày tải lên: 08/03/2014, 07:20
Báo cáo khoa học: "Dialogue Segmentation with Large Numbers of Volunteer Internet Annotators" pptx
... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 897–904, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP Dialogue Segmentation with Large Numbers of ... Midgley Discipline of Linguistics, School of Computer Science and Software Engineering University of Western Australia Perth, Australia Daniel.Midgley@uwa.edu.au Abstract This...
Ngày tải lên: 17/03/2014, 01:20
Tài liệu Báo cáo khoa học: "Word Vectors and Two Kinds of Similarity" pptx
... associated with semantic process- ing. Other methods use a variety of other informa- tion: cooccurrence of two words (Burgess, 1998; Sch¨utze, 1998), occurrence of a word in the sense definitions of a ... Similarity Akira Utsumi and Daisuke Suzuki Department of Systems Engineering The University of Electro-Communications 1-5-1 Chofugaoka, Chofushi, Tokyo 182-8585, Japan utsumi@se...
Ngày tải lên: 20/02/2014, 12:20
Tài liệu Báo cáo khoa học: Amprenavir complexes with HIV-1 protease and its drug-resistant mutants altering hydrophobic clusters docx
... These lines of evidence, taken together, strengthen the suggestion that loss of the C-HÆÆÆO interaction of residue 50 with the hydroxyl of Thr80, as well as loss of hydrophobic con- tacts with inhibitor, ... 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 I84...
Ngày tải lên: 18/02/2014, 04:20
Tài liệu Báo cáo khoa học: A tyrosinase with an abnormally high tyrosine hydroxylase/dopa oxidase ratio Role of the seventh histidine and accessibility to the active site docx
... on l-dopa as cofactor to eliminate the characteristic lag period of tyrosinases [8,20,21]. Figure 3 shows the rate of TH activity as a function of the concentration of l-dopa cofactor added to ... location of melanization seems to be essential for the prevalence of one of these two opposing processes. In any case, many of the bac- teria that express PPO activities are strains...
Ngày tải lên: 19/02/2014, 07:20
Tài liệu Báo cáo khoa học: Complex transcriptional and translational regulation of iPLA2c resulting in multiple gene products containing dual competing sites for mitochondrial or peroxisomal localization docx
... protein chemical techniques including radiolabeling with [ 3 H]BEL [7–12]. Study of human heart PLA 2 underscored the complexity of multiple distinct isoforms of iPLA 2 in the cytosolic, microsomal and ... generation of computer algorithms that can accurately assess the potential for mitochondrial localization of a peptide with great accuracy and predictive probabilities. Anal...
Ngày tải lên: 19/02/2014, 16:20