Báo cáo khoa học: "Parsing Aligned Parallel Corpus by Projecting Syntactic Relations from Annotated Source Corpus" pot
Báo cáo khoa học: "Parsing Aligned Parallel Corpus by Projecting Syntactic Relations from Annotated Source Corpus" pot
... 2006.c2006 Association for Computational LinguisticsParsing Aligned Parallel Corpus by Projecting Syntactic Relations from Annotated Source Corpus Shailly Goyal Niladri ChatterjeeDepartment of MathematicsIndian ... DirectCorrespondence Assumption (pDCA). ThroughpDCA the syntactic knowledge can be transferredeven if not all syntactic relations may be projecteddirectly from the source language to the target lan-guage ... already available for alanguage (source) and using word -aligned paral-lel corpus of the two languages under considera-tion. We propose that the syntactic relationshipsbetween the chunks of...
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Báo cáo khoa học: The crystal structure of the ring-hydroxylating dioxygenase from Sphingomonas CHY-1 pot
... of the National Synchro-tron Light Source, Brookhaven National Laboratory(Upton, NY, USA) for their continuous support. Thiswork was supported by grants from the National Insti-tute of Health, ... terminal oxygenase from CHY-1 exhibits limited sequencesimilarity with well characterized RHDs from the naphthalene dioxygenasefamily, the crystal structure determined to 1.85 A˚ by molecular replacementrevealed ... dioxygenase from Rhodococcus sp. strain RHA1 (BPDO-ORHA1) [16], thecumene dioxygenase from Pseudomonas fluorescensstrain IP01 (CDO-OIP01) [17], the 2-oxoquinoline8-monooxygenase from Pseudomonas...
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Báo cáo khoa học: Multifunctional host defense peptides: functional and mechanistic insights from NMR structures of potent antimicrobial peptides docx
... by two segments of helices, Ile2–Lys10 and Ile13–Leu24,with an intervening loop maintained by two Glyresidues (Fig. 1A). The two helices are stabilized by mutual packing interactions whereby ... surface. Interestingly, the tilt ofthe MSI-594 helix varied from 15° to 25° from thebilayer surface, whereas that of the MSI-78 helix var-ied from 5° to 10°. The difference in the tilt anglebetween ... MSI-594 possesses a parallel orientation in LPS micelles, as inferred from the nitro oxide spin-labeled measurements. Interest-ingly, the NMR structure of MSI-594 derived from DPC micelles showed...
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Báo cáo khóa học: FTIR spectroscopy shows structural similarities between photosystems II from cyanobacteria and spinach potx
... spectra of (a) PSII-enriched membranes from spinach (BBY), (b) PSII core complexes from SynechocystisPCC6803, and (c) PSII core complexes from T. elongatus from 1800 to1200 cm-1.564 A. Remy ... S1QA) from 1800 to 1675 cm)1.Fig. 2. S2QA)) S1QAdifference spectra of (a) PSII enriched mem-branes from spinach (BBY) and (b) PSII core complexes from T. elongatus from 1800 ... Fig. 1 QA–) QAdifference spectra of BBY membranes from spinach, Synechocystis PCC6803 and T. elongatuscore complexes are presented. The spectra of BBYs (a) andSynechocystis (b) are nearly...
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Báo cáo khoa học: Regulation of phospholipid biosynthesis by phosphatidylinositol transfer protein Sec14p and its homologues pot
... constructed by subcloning SFH2 from YEplac181-SFH2 [18] into YEplac112, by u sing Sal Iand SphI restriction enzymes [23]. Centromeric plasmidYCplac22- SEC14 (TRP1 marker) was constructed by subcloning ... regulatedUASINO-containing gen es of phospholipid biosynthesis. Arecent study by Loewen et al. [10] has demonstrated themechanism by which Saccharomyces cerevisiae can regulatephospholipid biosynthesis. ... doi:10.1111/j.1432-1033.2004.04377.x by the following lines of evidence (Fig. 1), namely that(a) mutations in genes encoding structural enzymes of thecytidine diphosphate choline (CDP-choline) pathway forPtdCho biosynthesis bypass...
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Báo cáo khoa học: "ALIGNING A PARALLEL ENGLISH-CHINESE CORPUS STATISTICALLY WITH LEXICAL CRITERIA" doc
... slightly improved performance might be obtained by estimating these probabilities from our corpus. The aligned results using this model were eval- uated by hand for the entire contents of a ran- ... slope of this idealized diagonal c = E(r) = E(12/ll) by averaging over the training corpus of hand -aligned L1 ~- L2 pairs, weighting by the length of L1. In fact this plot displays sub- stantially ... 1991), they may in fact rely to some extent on length correlations arising from the historical relationships of the languages being aligned. If translated sentences share cog- nates, then...
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Báo cáo khoa học: "Parsing Parallel Grammatical Representations" docx
... bizarre by all accounts. To a certain degree, this profligacy is held in check by heuristic cutoffs which exclude a combina- tion from consideration as soon as it becomes apparent that is misaligned ... feature-based grammat- ical formalism from the code listings of Gazdar and Mellish (1989), including dagunify.pl, by Bob Carpenter. The general strategy employed by the program is first to find ... however, the solution may lie in some sort of parallel approach. A develop- ment of this program designed either for parallel Prolog or for a truly parallel architecture could effect a further...
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Báo cáo khoa học: "Encoding a Parallel Corpus for Automatic Terminology" pot
... modules: a parallel text corpus, term-extraction programs, a term bank linked to the text corpus, and a user-interface for browsing the corpus and the term bank. 3 Building a Parallel Text Corpus ... Building the text corpus comprises the following tasks: corpus design, preprocessing, encoding pri- mary data, and encoding linguistic information. 3.1 Corpus Design and Preprocessing Corpus design ... terminological data from text material is a very work-intensive and error-prone task. Recent advances in auto- matic corpus analysis favored a modern form of terminology acquisition: (1) a corpus is...
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Báo cáo khoa học: "PARSING THE LOB CORPUS" pdf
... the same corpus to both learn from and disambiguate. We have run tests by first learning from half of the LOB (600,000 words) and then disambiguating 80,000 words of random text from the ... Siemens Corporation. THE LOB CORPUS The Lancaster/Oslo-Bergen Corpus is an on- line collection of more than 1,000,000 words of English text taken from a variety of sources, broken up into sentences ... problem by on occasion returning more than one category per word. The DeRose algorithm moves from left to right assigning to each category a~ an optimal path of categories leading from the...
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Tài liệu Báo cáo khoa học: "Collecting Highly Parallel Data for Paraphrase Evaluation" doc
... measures howmuch the paraphrase differs from the source sen-tence. Each category is rated from 1 to 4, with 4being the best. A paraphrase identical to the source sentence would receive a score ... se-lected 200 source sentences and generated 2 para-phrases for each, representing the two extremes: oneparaphrase produced by the model trained with sin-gle parallel sentences, and the other by the ... a!0.1%0%0.1%0.2%0.3%0.4%0.5%0.6%1%2%3%4%5%6%7%8%9%10%11%12%All%Pearson's)Correla,on)Number)of)references)for)BLEU)BLEU%with %source% vs.%SemanCc%BLEU%without %source% vs.%SemanCc%BLEU%with %source% vs.%Overall%BLEU%without %source% vs.%Overall%Figure 4: Correlation between...
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