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 LinguisticsFramework 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 691–696. Menlo Park, CA;Cambridge, MA; London; ... framework of verb lexical semantics, which isan extension of the lexical conceptual structure(LCS) theory, and compare it with other exist-ing frameworks which are used in VerbNet and FrameNet,...

Tài liệu Báo cáo khoa học: "Improving Chinese Semantic Role Labeling with Rich Syntactic Features" ppt

... Rewrite rules: Conjuction of rewrite rule and head word of its correspondingRHS. These features of candidate (lrw-c) and itsparent (lrw-p) are used. For example, this lrw-c feature of the NP “事 ... forward a number of new features toencode the structural information.Category of ck’s parent; head word and POS of head word of parent, left sibling and right sibling of ck.Lexicalized Rewrite ... illustrate, we denotea candidate constituent ck with a ﬁxed contextwi−1[ckwi wh wj]wj+1, where whis the headword of ck, and denote predicate in focus with a context wv−2wv−1wvwv+1wv+2,...

Tài liệu Báo cáo khoa học: "Evaluation of Semantic Clusters" docx

... 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 lexical, syntactic, and semantic ... evaluation scheme bases the comparison between two classes on the presence or absence of pairs of words in them. Their approach involves filling in a YES-NO contingency table based on whether...

Báo cáo khoa học: "Semi-Supervised Semantic Role Labeling" potx

... seman-tic role labeler trained on the seed corpus and a larger corpus expanded with annotations pro-duced by our method. Our semantic role labelerfollowed closely the implementation of Johans-son and ... precision, labeled recall and labeled F1. (Since our focus is on role labeling and not frame prediction, we let our role labeler makeuse of gold standard frame annotations, i.e., label-ing of ... Pad´o and Lap-ata (2006) transfer semantic role annotations fromEnglish onto German and Johansson and Nugues(2006) from English onto Swedish. A differentstrategy is presented in Fung and Chen...

Báo cáo khoa học: "Brutus: A Semantic Role Labeling System Incorporating CCG, CFG, and Dependency Features" pot

... ability of the system to predictthe 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 motivatesour discussion of future research for computational se-mantics with CCG (Section 12).2 Combinatory ... SRL. One is the uniformity with whichCCG can express equivalence classes of local and long-range (including unbounded) dependencies. CFG- based approaches often rely on examining potentiallylong...

Báo cáo khoa học: Characterization of the role of a trimeric protein phosphatase complex in recovery from cisplatin-induced versus noncrosslinking DNA damage potx

... less conclusive in psy4D cellsthan 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 mostabundant isoform, Pph21p, exhibit depletion of phos-phatase activity to 35% of the total attributable toPph21 and ... slow growthbecause of the activation of the checkpoint.The stable interaction of Pph3p and Psy2p with cH2AX may require the presence of Psy4p. The inter-action of Rad53p with a Pph3p complex,...

Báo cáo khoa học: "Impact of computerized physician order entry on medication prescription errors in the intensive care unit: a controlled cross-sectional trial"

... or continuous hemodialysis) and forpatients with severe liver dysfunction. All these prescriptionsTable 1Descriptions of level of severity of medication prescription errorsMajor divisions ... occur.ConclusionImplementation of CPOE with a moderate level of CDSSshowed a significant reduction in incidence and severity of MPEs, and significance was found through all levels of sever-ity. ... Medical staff,consisting of five senior intensivists and three residents,rotated continuously over these units, usually on a one-weekbasis. One month after the completion of the study, the...

Báo cáo khoa học: " Effect of the medical emergency team on long-term mortality following major surgery"

... linezolid and glycopeptides only, and Stenotropho-monas maltophilia, sensitive to ofloxacin only. Polymicrobialwound contamination also included contamination with fungi(for instance, Candida ... includingamputation, and frequent wound dressing changes. Theseprocedures are conceptually simple and common standard[18]. In the interim between surgery and secondary closure, with or without skin ... displayed signs of pneumonitis and pneumonia upon arrival. Three patientspresented with severe sinusitis. Microbiology identified a variety of common but also uncommon isolates that were often multi-resistant....

Tài liệu Báo cáo khoa học: Mechanisms of amyloid ﬁbril formation – focus on domain-swapping doc

... (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, CitronM & ... conformers than for b conformers. Interaction with solvent thus compensates for the destabilization of the a conformation as a result of peptide dipolemoments. Alternation of the screening of ... only one generic mechanism of amyloidﬁbril formation? Is there a common mechanism of pro-tein folding? Or are there extreme cases of two-statefolding on one end and noncooperative transitions...

Tài liệu Báo cáo khoa học: Phosphorylation of cyclin dependent kinase 4 on tyrosine 17 is mediated by Src family kinases pptx

... and foundthat the cellular phosphorylation of CDK4 on Y17 ismediated by Src family kinases.ResultsDetection of CDK4 Y17 phosphorylation and kinase activityThe 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 corresponds to Y17 of CDK4, and ... puriﬁcationstep, the Y17 kinase activities and the protein concen-trations of the resulting fractions were measured, and a ﬁnal puriﬁcation of approximately 939-fold wasachieved. Puriﬁcation by...

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