Báo cáo khoa học: "Framework of Semantic Role Assignment based on Extended Lexical Conceptual Structure: Comparison with VerbNet and FrameNet" ppt

... 686–695, Avignon, France, April 23 - 27 2012. c 2012 Association for Computational Linguistics Framework of Semantic Role Assignment based on Extended Lexical Conceptual Structure: Comparison with VerbNet ... and Martha Palmer. 2000. Class -based construction of a verb lexicon. In Proceedings of the National Conference on Arti- ficial Intelligence, pages 691...

Ngày tải lên: 24/03/2014, 03:20

... Rewrite rules: Conjuction of rewrite rule and head word of its corresponding RHS. These features of candidate (lrw-c) and its parent (lrw-p) are used. For example, this lrw- c feature of the NP “事 ... forward a number of new features to encode the structural information. Category of c k ’s parent; head word and POS of head word of parent, left sibling and right siblin...

Ngày tải lên: 20/02/2014, 04:20

... clustering, and an overall comparison of the clusterings is based on the comparison of the mutually mapping classes. Before we delve deeper into the evaluation pro- cess, we must decide on some ... system from one domain to another. One of the reasons for the lack of portability is the need for domain-specific semantic features that such systems often use for lexic...

Ngày tải lên: 20/02/2014, 22:20

... seman- tic role labeler trained on the seed corpus and a larger corpus expanded with annotations pro- duced by our method. Our semantic role labeler followed closely the implementation of Johans- son and ... precision, labeled recall and labeled F 1 . (Since our focus is on role labeling and not frame prediction, we let our role labeler make use of gold standard fr...

Ngày tải lên: 08/03/2014, 21:20

... ability of the system to predict the correct headwords of semantic roles. This is a nec- essary condition for correctness of the full constituent, but not a sufficient one. In parser evaluation, Carroll, Minnen, ... performance gains (Section 7). We conclude with an error analysis (Section 11), which motivates our discussion of future research for computational se- mantics with C...

Ngày tải lên: 17/03/2014, 01:20

... less conclusive in psy4D cells than in pph3D and psy2D cells, examination of growth on YPD plates demonstrates that deletion of any com- ponent of Pph3p–Psy4p–Psy2p decreases cell prolifera- tion ... a role in the dephos- phorylation of cH2AX. Cells with deletion of the most abundant isoform, Pph21p, exhibit depletion of phos- phatase activity to 35% of the total attribu...

Ngày tải lên: 30/03/2014, 04:20

... or continuous hemodialysis) and for patients with severe liver dysfunction. All these prescriptions Table 1 Descriptions of level of severity of medication prescription errors Major divisions ... occur. Conclusion Implementation of CPOE with a moderate level of CDSS showed a significant reduction in incidence and severity of MPEs, and significance was found through all l...

Ngày tải lên: 25/10/2012, 10:39

... linezolid and glycopeptides only, and Stenotropho- monas maltophilia, sensitive to ofloxacin only. Polymicrobial wound contamination also included contamination with fungi (for instance, Candida ... including amputation, and frequent wound dressing changes. These procedures are conceptually simple and common standard [18]. In the interim between surgery and secondary closure, wit...

Ngày tải lên: 25/10/2012, 10:41

... (2000) Nucleated conformational conversion and the replica- tion of conformational information by a prion determi- nant. Science 289, 1317–1321. 99 Wood SJ, Wypych J, Steavenson S, Louis JC, Citron M & ... conformers than for b conformers. Interaction with solvent thus compensates for the destabilization of the a conformation as a result of peptide dipole moments. Alternation o...

Ngày tải lên: 14/02/2014, 18:20

... and found that the cellular phosphorylation of CDK4 on Y17 is mediated by Src family kinases. Results Detection of CDK4 Y17 phosphorylation and kinase activity The N-termini of CDKs 1, 2, 4 and ... Detection of CDK4 Y17 phosphorylation. (A) Alignment of the N-terminal amino acids of CDKs 1, 2, 4 and 6 showing the con- served tyrosine residue (vertical box) that correspon...

Ngày tải lên: 18/02/2014, 18:20