Tài liệu Báo cáo khoa học: "Dependency Hashing for n-best CCG Parsing" doc

... gold andauto POS tags for the C&C n-best parser. # denotes theinclusion of dependency hashing. Test dataTraining data no hashing hashingno hashing 86.83 86.35 hashing 87.21 87.15Table ... isa particular challenge for parsers and n-best CCG parsing. We ﬁnd that this mismatchcauses many n-best CCG parses to be semanti-cally equivalent, and describe a hashing tech-nique that eliminates ... is a transformationof the Penn Treebank (PTB) data into CCG deriva-tions, and it is the standard corpus for English CCG parsing. Other CCG corpora have been induced in asimilar way for German...

Tài liệu Báo cáo khoa học: "EM Works for Pronoun Anaphora Resolution" docx

... 2009.c2009 Association for Computational LinguisticsEM Works for Pronoun Anaphora ResolutionEugene Charniak and Micha ElsnerBrown Laboratory for Linguistic Information Processing (BLLIP)Brown ... 1998). The dataannotated for the Ge research is used here for test-ing and development data. Also, there are manyoverlaps between their formulation of the problemand ours. For one thing, their ... been made publically available for downloading.1 IntroductionWe present a new system for resolving (per-sonal) pronoun anaphora1. We believe it is ofinterest for two reasons. First, virtually...

Tài liệu Báo cáo khoa học: "Dependency Grammar Induction via Bitext Projection Constraints" doc

... performed by hand. They adjusted for this by introducing on the order of one or twodozen language-speciﬁc transformation rules tocomplete target parses for unaligned words andto account for ... supervised learn-ing for limited training data.1 Introduction For English and a handful of other languages,there are large, well-annotated corpora with a vari-ety of linguistic information ranging ... information one dependency edge at a timeis unfortunately error prone for two reasons. First,parser and word alignment errors cause much ofthe transferred information to be wrong. We dealwith this...

Tài liệu Báo cáo khoa học: "Inducing Gazetteers for Named Entity Recognition by Large-scale Clustering of Dependency Relations" ppt

... =ifilog(cp(vti|c)p(ni|c)p(c)). (2)3This formulation is based on the formulation presented inRooth et al. (1999) for English.408We iteratively update the probabilities using the EMalgorithm. For the update procedures ... baseline for thetesting set.5 Comparison with Previous StudiesSince many previous studies on Japanese NER used5-fold cross validation for the IREX dataset, wealso performed it for some our ... requires more than 44GB for the parameters and 4 GB of memory for thetraining examples. A machine with more than 48GB of memory is not widely available even today.Therefore, we parallelized...

Tài liệu Báo cáo khoa học: A strategy for discovery of cancer glyco-biomarkers in serum using newly developed technologies for glycoproteomics ppt

... malignant transformation.Lectin microarray – a powerfultechnology for selection of lectins for cancer glyco-biomarkersThe lectin microarray system is an emerging technique for analyzing glycan ... microarray system is the best tool for a ‘cell proﬁler’, and it is expected to be applicable for selection of cancer-speciﬁc lectins and for qualitycontrol of stem cells before transplantation [12–15].Recently, ... glycosylation and glycansynthesis and the development of bioinformatic tools for their study have been made publicly available asthe Japan Consortium for Glycobiology and Glyco-technology Database (JCGGDB:...

Tài liệu Báo cáo khoa học: The occurrence of hemocyanin in Hexapoda docx

... were assembled with genedoc 2.7 [41].The tools provided with the ExPASy Molecular BiologyServer of the Swiss Institute of Bioinformatics (http://www.expasy.org) were used for the analyses of DNA ... rates. Prior probabilities for alltrees were equal. Metropolis-coupled Markov chain MonteCarlo sampling was performed with one cold and threeheated chains that were run for 1 000 000 generations.Starting ... a grant of theDeutsche Forschungsgemeinschaft (Bu956 ⁄ 9). Wethank J. Korb, K. Meusemann, M. Marx, B. Misofand B. Walz for providing hexapod species andM. Machola for her help with the experiments.References1...

Tài liệu Báo cáo khoa học: Structural bases for recognition of Anp32⁄LANP proteins doc

... London) for providing the Lanp clone,which was produced from a cDNA originally providedby Dr A. Matilla (ICH, London), Filippo Prischi for help with the gromacs software, and Dr L Masino for helpful ... into the grooveformed by the concave surface of the LRR domain.Stabilizing interactions could form between His230 ofPP2A-C and Asp119 and Asn94 of Anp32a. A saltbridge could form between Glu226 ... Mountain View, CA,USA) for a total of approximately 5 million clones, wefound about 600 potential positives [i.e. hits that werepositive both for quadruple-dropout media and for 5-bromo-4-chloroindol-3-yl...

Tài liệu Báo cáo khoa học: Structural basis for cyclodextrin recognition by Thermoactinomyces vulgaris cyclo⁄maltodextrin-binding protein ppt

... cleft formed by the twodomains. A common functional conformational change has been reportedin this protein family, which involves switching from an open formto a sugar-transporter bindable form, ... [11,15]. A common drasticconformational change is found in this protein family,which participates in switching from an open form toa closed form [16]. In EcoMBP, the closed form hasbeen observed ... deﬁned in terms not of the afﬁnities for sugars but of whether the protein adopts the openform or the closed form. TvuCMBP–c-CD complex isseen as the closed form (Fig. 2A,B), and this struc-ture...

Tài liệu Báo cáo khoa học: The social life of ribosomal proteins doc

... IRES complex forma-tion, RACK1 is pushed downwards and forms a con-tact to the rear of the mRNA platform of the 40Ssubunit, to the region ascribed to the rpS0 protein. Theconformational change ... integrin band other receptors, and it may further serve as a plat-form to recruit ribosomes for local translation of speci-ﬁc mRNAs, for example in focal adhesions [36].In eukaryotes, a bypass of ... protein is the central anchoring point for the SRP [49] and the trigger factor [50]. The ringof proteins around the exit area also forms the interac-tion site for the doughnut-shaped Sec61 complexembedded...

Tài liệu Báo cáo khoa học: Experimental proof for a signal peptidase I like activity in Mycoplasma pneumoniae, but absence of a gene encoding a conserved bacterial type I SPase pdf

... product P40 of MPN142,formerly called ORF6 gene. Combining mass spectrometry with a method for sulfonating speciﬁcally the free amino terminal group of proteins, thecleavage site for a typical signal ... SPase typical for Gram-positive bacteria or for Gram-negative bacteria(such as LepB) has been identiﬁed in M. pneumoniae,although a SPase I activity has been shown to beessential for cell viability ... Biosystems).AcknowledgementsWe thank E. Pirkl and M. Ellis for skillful technicalassistance, C U. Zimmerman for critically reading themanuscript, M. T. Saleh for providing the latest resultsof a signal...

Xem thêm