Tài liệu Báo cáo khoa học: "NLP for Indexing and Retrieval of Captioned Photographs" pot

... startingpoint for indexing. We have focused on the devel-opment and implementation of automatic caption-based techniques for indexing and retrieval of pho-tographs taken at scenes of crime (SOC).Researchers ... NLP for Indexing and Retrieval of Captioned PhotographsKaterina Pastra, Horacio Saggion, Yorick WilksDepartment of Computer ScienceUniversity of SheffieldEngland - UKTel: +44-114-222-1800Fax: ... Ontology and Indexing TermsWe have made use of the British Police Infor-mation Technology Organisation Common DataModel and a collection of formal reports producedby scene of crime officers...

Tài liệu Báo cáo khoa học: Evidence for interactions between domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocase docx

... previouslyin TatA, B and C and we present new information onpotentially important TatA and TatC mutants.ResultsAnalysis of TatA and TatB mutantsThe overall structures of the TatA and TatB subunitsare ... detailed below. For studies on theexport of TorA-GFP, cells expressing pJDT1 and pEXT-ABC were grown for 2 h in the presence of 50 lm arabi-nose to induce expression of TorA-GFP, and the cells ... domains of TatA and TatB from mutagenesis of the TatABC subunits of the twin-arginine translocaseClaire M. L. Barrett and Colin RobinsonDepartment of Biological Sciences, University of Warwick,...

Tài liệu Báo cáo khoa học: "Methods for the Qualitative Evaluation of Lexical Association Measures" doc

... curves (Figures 3 and 4), we ﬁnd: (i) Examination of 50% of the datain the SLs leads to identiﬁcation of between 75%(AdjN) and 80% (PNV) of the TPs. (ii) For theﬁrst 40% of the SLs, and lead to ... log-likelihood and t-test for AdjN, and t-test and frequency for PNV – are also visible in the recall curves (Fig-ures 3 and 4). Moreover, for the PNV data thet-test leads to a recall of over 60% ... for evaluationGeneral statistics for the AdjN and PNV basesets are given in Table 1. Manual annotation wasperformed for AdjN pairs with frequency and PNV triples with only (see section5 for...

Tài liệu Báo cáo khoa học: Substrate speciﬁcity and inhibition of brassinin hydrolases, detoxifying enzymes from the plant pathogens Leptosphaeria maculans and Alternaria brassicicola ppt

... assistance of P.B. Chumala, Department of Chemistry, for develop-ment of the HPLC method B used for amine detection and K. Thoms, Department of Chemistry, for GC ⁄ HRMS method development and data ... 8. Chemical structures of compounds tested as substrates of BHLmL2 and BHAb and potential products, references for synthesis, and HPLC retention times using methods A and B described in the Experimental ... modiﬁcations of amino acid residues and identiﬁcation of headspace volatiles, a chemical mechanism for hydro-lysis of the dithiocarbamate group of brassinin catalysed by BHLmL2 and BHAb is proposed....

Tài liệu Báo cáo khoa học: Identiﬁcation, sequencing, and localization of a new carbonic anhydrase transcript from the hydrothermal vent tubeworm Riftia pachyptila docx

... reactions were performedin triplicates. Ampliﬁcation conditions were 40 cycles withthe following proﬁle: 95 °C for 30 s, 60 °C for 30 s, and 72 °C for 1 min. For each kind of tissue, standard curveswere ... overexpression approach of RpCAbr and RpCAtr, we cannot know the functionaleffect of changes of some key amino-acids.Origin and number of nonvertebrate CAsAlthough the bootstrap values of the deep branches ... Furtherfunctional and histological studies suggested the exis-tence of several carbonic anhydrase isoforms in thetrophosome tissue [16,17], indicating the possible exis-tence of various CA isoforms in...

Tài liệu Báo cáo khoa học: ATP-dependent modulation and autophosphorylation of rapeseed 2-Cys peroxiredoxin docx

... (A)Expanded view of peaks at m ⁄ z 2800.36 and 2832.35 and the fragmentation of the peak at m ⁄ z 2800.36. (B) Expanded view of peaks atm ⁄ z 2934.36 and 2950.35 and the fragmentation of the ... C53S 2-Cys Prx. Expanded view of peaks at m ⁄ z 2800.36 and 2832.35 and thefragmentation of the peak at m ⁄ z 2832.35. 2-Cys Prx was digested with trypsin and prepared for MALDI-TOF MS as described ... successiveaction of a reductant and an oxidant makes the pro-tein a recipient of the phosphoryl moiety in sulfonic and sulﬁnic acid forms of Cys175. Hence, ATP hasemerged as both a novel regulator of 2-Cys...

Tài liệu Báo cáo khoa học: Preliminary molecular characterization and crystallization of mitochondrial respiratory complex II from porcine heart ppt

... preparation of complex II. The four subunits of complex II are labeled on the left, and the positions of molecular weight standards are indicated onlane 2.X. Huo et al. Characterization of respiratory ... G250, and the four bands corresponding tosubunits of porcine complex II were cut out and N-terminalsequenced by the Edman degradation method and amino acidanalyzer in the Department of Biology, ... Zhang and And-rzej Joachimiak (Advanced Photon Source, Argonne) for help with data collection, and Xiaodong Zhao (ZRgroup) for technical assistance. This work was suppor-ted by Project ‘973’ of...

Tài liệu Báo cáo khoa học: Unusual metal specificity and structure of the group I ribozyme fromChlamydomonas reinhardtii23S rRNA pptx

... 23S.5DGbpre-RNA, and the binding of a minimum of n Mg2+ions leads to formation of theactive complex, whereas binding of a minimum of mMn2+ions forms the inactive complex. The sizes of the active and ... but most of P9.1 is neutral. The5¢ strand of P9.0 is protected despite the absence of the 3¢ strand. For the idiosyncratic P7.1 and P7.2domains, the helices are weakly protected, except for the ... Herrin21 Department of Biochemistry, Tapei Medical University, Taiwan2 Section of Molecular Cell and Developmental Biology and Institute for Cellular and Molecular Biology, University of Texas, Austin,...

Tài liệu Báo cáo khoa học: Physico-chemical characterization and synthesis of neuronally active a-conotoxins docx

... interconvertible conformers for GI and multipleconformers of CnIA [36,37]. This heterogeneity may yetprove to be an important feature of some a-conotoxins inthe understanding of structure-function ... thorough exploration of the signiﬁcance of these modiﬁcations for the function of a-conotoxins is yet tobe completed and reported.Disulﬁde bridge formation is a basic feature of thea-conotoxins ... sequence information for ImIIA and Vc1.1, ImII, GIC and PIA, each of whichwas identiﬁed by prediction from a genomic DNA clone[7–10,22]. Comparison of the peptide sequences GID, EI,ImIIA, GIC and...

Tài liệu Báo cáo khoa học: "Beefmoves: Dissemination, Diversity, and Dynamics of English Borrowings in a German" ppt

... comparison of DU, DT,log10f with ∆ log10fquency (log10f). DU=Uw˜Uwis deﬁned as the ratio of the actual number of users of word w (Uw) overthe expected number of users of w (˜Uw), ... ﬁndings that DU and DTserve better than fre-quency as predictors of word fate, for the set of an-glicisms (Table 3), all correlations were both nega-tive and stronger, and initial frequency ... hip hop fans form communities inwhich novel, creative uses of English are highly val-ued (Pennycook, 2007), indicative of group mem-bership, and relatively frequent. We therefore studywhich...

Xem thêm