Báo cáo khoa học: "Answer Sentence Retrieval by Matching Dependency Paths Acquired from Question/Answer Sentence Pairs" pdf

... 2012.c2012 Association for Computational LinguisticsAnswer Sentence Retrieval by Matching Dependency Paths Acquired from Question/Answer Sentence PairsMichael KaisserAGT Group (R&D) GmbHJ¨agerstr. ... answer sentences.In this paper we describe an algorithm thatlearns possible syntactic answer sentence formu-lations for syntactic question classes from a set ofexample question/answer sentence ... ourapproach against a baseline that compares can-didate sentences not against patterns that weregained from question/answer sentence pairs, but from questions alone. In order to create these pat-terns,...

Báo cáo khoa học: Visfatin is induced by peroxisome proliferator-activated receptor gamma in human macrophages pdf

... rate-limitingenzyme in the synthesis of NAD+ from nicotin-amide. Visfatin ⁄ PBEF ⁄ NAMPT is synthesized andsecreted in adipose tissue by adipocytes, and mostly by macrophages, and circulates in the ... protein lysate was separated by 10% SDS ⁄ PAGE and transferred to nitrocellulose mem-branes (Amersham, Saclay, France). Equal loading of pro-teins was veriﬁed by Ponceau red staining. Membranes ... intensity of signals wassubsequently analyzed by densitometry and quantiﬁed usingQuantity One software.Measure of visfatin protein secretion by ELISAHuman RM were treated with the PPARc ligand...

Báo cáo khoa học: "CS NIPER Annotation-by-query for non-canonical constructions in large corpora" pdf

... deviatein characteristic ways from the unmarked lexico-grammatical patterning and informational orderingin the sentence. This is exempliﬁed by the con-structions of sentences (2) - (5) above. ... positives) from suchexamples that are wrongly identiﬁed by the query(false positives). Each expert linguist thus acts as arater rather than an annotator. The tool records as-sessments made by each ... quality by mea-suring inter-rater agreement. This annotation- by- query approach efﬁciently harnesses expertknowledge to identify instances of linguisticphenomena that are hard to identify by meansof...

Tài liệu Báo cáo khoa học: Degradation of tropoelastin by matrix metalloproteinases – cleavage site speciﬁcities and release of matrikines pptx

... acquired inpositive ionization mode and reﬂectron mode by accumulat-ing data from 1800 laser shots per spot. Data acquisition wasperformed by flex control 3.0.101.1, which was controlled by ... explained by thefact that the GYGPG motif is preceded by eightamino acids that could facilitate the adoption of anactive conformation and its stabilization. This hasalso been suggested by Moroy ... acid moieties from Gluand Gln were considered as variable modiﬁcations.Moreover, automated de novo sequencing of the nano-ESI–qTOF and MALDI-TOF ⁄ TOF MS data followed by database matching (peaks...

Tài liệu Báo cáo khoa học: Perturbation of membranes by the amyloid b-peptide – a molecular dynamics study pptx

... derived from the amyloid precursorprotein by sequential proteolytic cleavage by twomembrane-bound proteases, b- and c-secretase [2].The length of the peptide is variable, ranging from 39KeywordsAlzheimer’s; ... cleaved by a-secretase to generate thenon-amyloidogenic sAPPa and p3 fragments from amyloid precursor protein, precluding the productionof Ab [43,44]. The p3 peptide and Ab differ by onlythe ... strongattraction between the peptide backbone and chargedresidues draws the headgroups of nearby lipids away from other surrounding lipids, pulling the entire lipidmore parallel to the surface of...

Tài liệu Báo cáo khoa học: Amino acid discrimination by arginyl-tRNA synthetases as revealed by an examination of natural speciﬁcity variants doc

... pH.Transcripts derived from the sequences of thetRNAArgACGgenes from jack bean and soybean werearginylated to only 6–10% of the theoretical acceptance by the arginyl-tRNA synthetases from both jack ... nucleotidyl transferase from yeastoriginated from the stocks of H. Sternbach (formerly Max-Planck-Institute, Go¨ttingen), while that from E. coli inrecombinant form was provided by A. Weiner (University ... Anextract from E. coli, active for aminoacylation, was obtained by depleting an S30 bacterial supernatant of endogenousnucleic acids by fractionation on a DEAE-cellulose column.Bulk tRNAs from wheat...

Tài liệu Báo cáo khoa học: Upregulation of DR5 by proteasome inhibitors potently sensitizes glioma cells to TRAIL-induced apoptosis doc

... aminimum of 104events per sample were acquired. Flowcytometric analyses were performed on a FACScan (BDBiosciences; Heidelberg, Germany) followed by analysisusing cellquest and winmdi software.Gene ... siRNA siCONTROL from Dharmacon was used as a negative, nonsilencing control.Cells were transfected with 100 nm siRNAs using siM-PORTER (Biomol, Hamburg, Germany) as described by the manufacturer.StatisticsData ... for excellenttechnical assistance. This study was supported by the Wilhelm Sander Stiftung (grant 2005.067.1) toD. Ko¨gel and by Science Foundation Ireland toJ. H. M. Prehn.References1...

Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf

... generativemodel.1Their parameters can be estimated from either labelled data, using maximum like-lihood estimates, or from unlabelled data by expectation maximization2which makes themeither ... can see in Table 1a thatthe precision increases slightly from 0.7127 to0.7557 whereas the recall decreases from 0.3500to 0.3045 going from dataset size 500 to 2500.This suggests that to some ... original result by 0.1185 on the testset. Compared to its components PROMODES andPROMODES-H the f-measure increased by 0.0228and 0.0353 on the test set.In short, we have shown that by combiningPROMODES...

Tài liệu Báo cáo khoa học: "Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering" pdf

... techniques from summarization and information retrieval. We tackle a frequently-occurring class ofquestions that takes the form “What isthe best drug treatment for X?” Starting from an initial ... most widely used by physi-cians today.1 IntroductionComplex information needs can rarely be ad-dressed by single documents, but rather require theintegration of knowledge from multiple sources.This ... different techniques for organizing searchresults have been explored by information retrieval researchers, as exempliﬁed by techniques based onclustering (Hearst and Pedersen, 1996; Dumais etal.,...

Tài liệu Báo cáo khoa học: "Statistical Machine Translation by Parsing" pptx

... deletion. Figure 2shows two representations of a tree that might begenerated by an MTG in GCNF for the imperative sentence pair Wash the dishes / Pasudu moy . Thetree exhibits both deletion ... which is accomplished by the role templatesin the term. Translator CT scans onlythe input components. Terminal productions withactive output components are simply loaded from the grammar, and ... Logic CT differs from Logic C asfollows:Items store no position information (d-spans)for the output components.For the output components, the Scan infer-ences are replaced by Load inferences,...

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