... vastly expand the amount of data available for alternative protein phylogenetic markers, thus presenting us with both a challenge and an opportunity We have developed AMPHORA, a fully automated ... 12 Jannaschia sp CCS1 Gammaproteobacteria Betaproteobacteria Alphaproteobacteria Epsilonproteobacteria Deltaproteobacteria Wu and Eisen R151.5 70 P 09 TI 70 C C AB TC U is 53 PG str A on ae e ... in Sargasso Sea metagenomic data The metagenomic data previously obtained from the Sargasso Sea was reanalyzed using AMPHORA and the 31 protein phylogenetic markers The microbial diversity profiles...
Ngày tải lên: 14/08/2014, 21:20
... in research on approximate string search: (1) how to build a model that can archive both high accuracy and efficiency, and (2) how to develop a data structure and algorithm that can facilitate efficient ... candidate generation and candidate final selection The former task is an example of approximate string search Note that candidate generation is only concerned with a single word For single-word candidate ... vocabulary is large, because there are a large number of potential candidates to be verified In this paper, we propose a probabilistic approach to candidate generation, which can achieve both high accuracy...
Ngày tải lên: 30/03/2014, 21:20
Fast and accurate mapping of next generation sequencing data
... library preparation is similar to that of 454 The DNA is sheared, separated into single strands and adapters are added to the resulting fragments These fragments are then captured on beads and amplified ... final result is a 26bp read 2.4.7 Ion Torrent Ion Torrent libraries are prepared by shearing the DNA and adding adapters to them The double strands of DNA are separated and similar to 454, are attached ... an algorithm called BatAlign to align NGS x reads allowing mismatches and indels In order to perform accurate and sensitive alignments, BatAlign uses two strategies called reverse-alignment and...
Ngày tải lên: 10/09/2015, 09:11
Báo cáo hóa học: " Fast and Accurate Ground Truth Generation for Skew-Tolerance Evaluation of Page Segmentation Algorithms" potx
... such as compactness, easiness and direct access to data, applicability to different image types (binary, grayscale, and color) and various document layouts (rectangular and arbitrary), and tolerance ... University of Maryland, USA His research interests are in machine vision and image analysis His current research focuses on texture analysis, face image analysis, and machine vision for sensing and ... binary graphics (G), and grayscale or colored image (I) If a block contains data of several classes, it has a composite label including the labels of all classes That is, 11 composite labels are...
Ngày tải lên: 22/06/2014, 22:20
Tài liệu Báo cáo khoa học: "Fast and Robust Part-of-Speech Tagging Using Dynamic Model Selection" pptx
... Human Language Technology, NAACL’03, pages 173–180 Ralph Weischedel, Eduard Hovy, Martha Palmer, Mitch Marcus, Robert Belvin, Sameer Pradhan, Lance Ramshaw, and Nianwen Xue 2011 OntoNotes: A Large ... Proceedings of the 4th International Conference on Language Resources and Evaluation, LREC’04 Cho-Jui Hsieh, Kai-Wei Chang, Chih-Jen Lin, S Sathiya Keerthi, and S Sundararajan 2008 A Dual Coordinate ... H Martin, Guergana Savova, and Martha Palmer 2010 An architecture for complex clinical question answering In Proceedings of the 1st ACM International Health Informatics Symposium, IHI’10, pages...
Ngày tải lên: 19/02/2014, 19:20
Báo cáo khoa học: On the mechanism of a-amylase Acarbose and cyclodextrin inhibition of barley amylase isozymes pdf
... Materials Barley a- amylases, AMY1 and AMY2, were puried from green and kilned malt, respectively, according to Svensson et al [33] and Ajandouz et al [9] Puried AMY1 and AMY2 gave single bands ... Barley AMY1 and AMY2 have a degree of multiple attack toward amylose of two (B Kramhứft and B Svensson, unpublished data) The goal of the present work is to characterize further the AMY1 and AMY2 ... Barley isozymes AMY1 and AMY2 were thousand-fold more active toward amylose than toward maltodextrin and a million-fold more active than toward maltoheptaose AMY2 was slightly more active than...
Ngày tải lên: 08/03/2014, 08:20
A meta analysis and risk assessment of heavy metal uptake in common garden vegestable
... higher than the RDA are taken over a long period, anemia and damage to the pancreas and kidney can develop Vomiting, diarrhea, abdominal cramping, and, in some cases, intestinal hemorrhage can occur ... the inorganic forms The primary forms of organic arsenic are monomethyl arsonic acid (MMA) and dimethyl arsinic acid (DMA) MMA and DMA are primarily used as agricultural pesticides Data about the ... garden vegetables are capable of accumulating high levels of metals from the soil (Garcia et al 1981, Khan and Frankland 1983, Xiong 1998, Cobb et al 2000) Certain Brassica species (cabbage) are...
Ngày tải lên: 15/03/2014, 23:10
Báo cáo khoa học: "Fast and accurate query-based multi-document summarization" docx
... Efron, T Hastie, I.M Johnstone, and R Tibshirani 2004 Least angle regression Annals of Statistics, 32(2):407–499 S Gupta, A Nenkova, and D Jurafsky 2007 Measuring Importance and Query Relevance in ... best feature for all three past DUC corpora Conclusions We proposed a fast query-based multi-document summarizer called FastSum that produces state-ofthe-art summaries using a small set of predictors, ... documents alone can produce reasonable summaries However, the human selecting the relevant documents may have already influenced the way summaries can automatically be generated Our system and systems...
Ngày tải lên: 17/03/2014, 02:20
Báo cáo khoa học: "Using Lexical Dependency and Ontological Knowledge to Improve a Detailed Syntactic and Semantic Tagger of English" pot
... Black, S Eubank, H Kashioka, and J Saia 1996b Reinventing part -of- speech tagging Journal of Natural Language Processing (Japan), 5:1 Rada Mihalcea and Dan I Moldovan 1998 Word sense disambiguation ... database, and an automatically acquired ontology made by clustering words in a large corpus of unannotated text We have chosen to use hierarchical schemes for both the automatic and manually acquired ... broad-coverage semantic -and- syntactic tagsets for natural language: The atr approach In Proceedings of ICCPOL-2001 Xiaobin Li, Stan Szpakowicz, and Stan Matwin 1995 A wordnet-based algorithm for...
Ngày tải lên: 17/03/2014, 04:20
Báo cáo Y học: A comparative biochemical and structural analysis of the intracellular chorismate mutase (Rv0948c) from Mycobacterium tuberculosis H37Rv and the secreted chorismate mutase (y2828) from Yersinia pestis pptx
... the forward primer 5¢-GG AATTCCATATGCAACCCACTCATACGCTAACAAG-3¢ (with the NdeI restriction recognition sequence underlined) and the reverse primer 5¢-CGGGATCCTTATTTTAATT TTACCTGATTGAAGGTTGAG-3¢ ... oligonucleotide pair 2: 5¢-GCTACGTTTAAAGCGATGATGAACCTGGAAATG CTCGAGTCC-3¢ (forward primer with DraI site underlined) and the same reverse primer Oligonucleotide pair for amplification of MT0975 (217 amino acid ... generated by a crystallographic two-fold The data and refinement statistics are shown in Table The Ramachandran plot has 96.9% of the residues in the most favored region and 3.1% in the additional...
Ngày tải lên: 17/03/2014, 17:20
Tuberculosis in Liver Transplant Recipients: A Systematic Review and Meta-Analysis of Individual Patient Data doc
... Zhang DY Intracranial tuberculoma in a liver transplant patient: first reported case and review of the literature Am J Transplant 2003;3:88-93 Al-Moamary MS, Al-Baz S, Alothman A, Memish Z, AlJahdali ... Niiya T, Kaneko J, Makuuchi M Resection of a pulmonary lesion after liver transplantation: report of a case Surg Today 2005;35:976-978 Alothman A, Al Abdulkareem A, Al Hemsi B, Issa S, Al Sarraj ... 899 TABLE Predictors of Mortality (Univariate Analysis) MTB Mortality‡ Overall Mortality Characteristics Patient characteristics Mean age (years) Male (%) Transplant center (%) US or Canadian European...
Ngày tải lên: 29/03/2014, 03:20
BUSINESS CYCLES: A Theoretical, Historical and Statistical Analysis of the Capitalist Process potx
... early stage Since then a large amount of statistical and a small amount of analytical work has gone forward Those who have made the principal efforts to explain Kuznets cycles, Matthews and Abramovitz, ... theory as an autonomous science, assuring us that its subject matter is a cosmos and not a chaos It is the rationale of the idea of variables that not vary, the justification of the schema of a stationary ... are what really matters It invites a mechanistic and formalistic treatment of a few isolated contour lines and attributes to aggregates a life of their own and a causal significance that they...
Ngày tải lên: 29/03/2014, 19:20
Báo cáo khoa học: Mode of action of the microbial metabolite GE23077, a novel potent and selective inhibitor of bacterial RNA polymerase docx
... antimicrobial activity of GE23077, tested on a variety of Gram-positive and Gram-negative strains, shows a narrow species range Its spectrum of activity is essentially restricted to Moraxella catarrhalis ... isolated and its physico-chemical properties characterized as described previously [19] All other chemicals were purchased from standard commercial sources as analytical grade reagents RNAP assays ... share a number of common features Both are potent and selective inhibitors of bacterial RNAPs (Table 1) and cellular RNA biosynthesis (Figs and 3), both act at the level of transcription initiation...
Ngày tải lên: 30/03/2014, 15:20
báo cáo hóa học:" A Population-Based and Longitudinal Study of Sexual Behavior and Multidrug-Resistant HIV Among Patients in Clinical Care" pdf
... psychological, and medical findings AIDS 2002, 16:135-149 Abstract Crepaz N, Hart TA, Marks G: Highly active antiretroviral therapy and sexual risk behavior: A meta-analytic review JAMA 2004, 292:22-36 ... behavioral and virologic data were available Seventyeight patients contributed matched behavioral and resistance and viral load results obtained within the same time period, 99 patients had 3, 94 had ... unprotected sexual behavior and events: unprotected vaginal, anal, and oral sexual events Methods For the purposes of this study, sexual behavior was defined as penile-vaginal and penile-anal intercourse...
Ngày tải lên: 20/06/2014, 08:20
Báo cáo hóa học: " Weak reverse Hölder inequality of weakly A-harmonic sensors and Hölder continuity of A-harmonic sensors" potx
... for each Wang and Bao Journal of Inequalities and Applications 2011, 2011:99 http://www.journalofinequalitiesandapplications.com/content/2011/1/99 Page of 10 holds, then for all a1 , a2 Î D, d (a1 , ... Wang and Bao Journal of Inequalities and Applications 2011, 2011:99 http://www.journalofinequalitiesandapplications.com/content/2011/1/99 Page of 10 which also holds for differential forms, and ... exponent a at a1 Î D if |du|ds ≤ C (a1 )dα inf γ∈ γ (2:11) Wang and Bao Journal of Inequalities and Applications 2011, 2011:99 http://www.journalofinequalitiesandapplications.com/content/2011/1/99 Page...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " A simple route to vertical array of quasi-1D ZnO nanofilms on FTO surfaces: 1D-crystal growth of nanoseeds under ammonia-assisted hydrolysis process" pptx
... Universiti Kebangsaan Malaysia and Ministry of Higher Education of Malaysia under research grant UKM-GUPNBT-08-25-086 and UKM-RRR1-07-FRGS0037-2009 and the Universiti Tenaga Nasional and Ministry of Science ... increasing of ammonia, it can be remarked that the quasi-NRs diameter should also decrease with the increasing of ammonia On the basis of available free-standing quasi-NRs, the diameter was seen ... (FESEM) machine model ZEISS SUPRA 55VP that was operated at an acceleration voltage of kV The structure and phase purity of the as prepared and the annealed samples were characterised using a Bruker...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Simple two-step fabrication method of Bi2Te3 nanowires" pdf
... utilized Figure 3a is a high-angle angular dark field (HAADF) STEM image of a Bi2Te3 nanowire with a diameter of 78 nm The EDS line scan profiles show the uniform atomic distribution of Bi and Te elements ... cross-sectional TEM image of a Bi Te3 nanowire From a HRTEM image and SAED pattern of the part where a Bi core-Bi2Te3 shell interface was originally located, it is found that the synthesized Bi Te nanowire ... elevated temperature, with evaporation of excess Bi atoms at the nanowire surface Conclusions A simple and new synthesis method of quality singlecrystalline Bi Te nanowires combining the OFF-ON method...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Research Article Fast and Accurate Video PQoS Estimation over Wireless Networks" pot
... for estimating the PQoS index in a fast and easy way The proposed analytical model has an average pearson correlation coefficient of 0.986, as proof of its robustness and reliability in many network ... (green and light green-areas) and the bad mix (red and dark-red) of system parameters in terms of perceived quality values Many interesting considerations can be made observing Figures and because ... with a handled device (iii) We design an accurate analytical model for real-time estimation of the perceived quality according to the network and video parameters Finally, we verify the quality of...
Ngày tải lên: 21/06/2014, 22:20
Báo cáo toán học: "A simple proof for the existence of exponentially balanced Gray codes" ppsx
... A note on balanced Gray codes”, submitted for publication [10] A. J van Zanten and I N Suparta, “Totally balanced and exponentially balanced Gray codes”, Discrete Analysis and Operation Research, ... property an exponentially balanced Gray code (cf [10]), as a generalization of (totally) balanced Gray codes Thus, for an exponentially balanced Gray code G(n) one has that the transition count of ... and A. J van Zanten, “Balanced Gray codes”, rept CS 03-03, Institute for Knowledge and Agent Technology, Universiteit Maastricht, Maastricht, The Netherlands 2003 [9] Suparta, I N and A. J van Zanten,...
Ngày tải lên: 07/08/2014, 08:22
Báo cáo lâm nghiệp: "Small mammals of a forest reserve and adjacent stands of the Kelečská pahorkatina Upland (Czech Republic) and their effect on forest dynamics" pps
... largediameter stand of European beech (Fagus sylvatica) with an admixture of small-leaved linden (Tilia cordata) The herb layer consists of Convallaria majalis, Lathyrus vernus and Carex pilosa P3 (49.523157 ... (1986): Small mammals in windbreaks and adjacent fields Acta Scientarium Naturalium Brno, 20: 1–38 P J (1989): Small mammals in fragments of Robinia pseudoacacia stands Folia Zoologica, 38: ... hornbeam (Carpinus betulus), smooth-leaved elm (Ulmus carpinifolia), European ash (Fraxinus excelsior), sycamore maple (Acer pseudoplatanus), smallleaved linden and larch Convallaria majalis, Lathyrus...
Ngày tải lên: 07/08/2014, 10:21