... We classify the errors into three main categories: rule application errors, inference rule errors, and other errors (Table 7). In the first category, the tree skeleton fails to match the corresponding ... Sec- tion 4 discusses the application of the rules for the RTE data, describing the structure representation we use to identify the appropriate context for the r...
Ngày tải lên: 08/03/2014, 21:20
... medicine in bitter stomachic, skin diseases, and reported to have antitumor, insecticide and cytotoxic activities [3]. The antimicrobial activities of coumarin constituents [4] and the neuropharmacological ... as well. To the best of the authors’ knowledge, there are no reports about the chemical content and biological effect of the essential oils of L. resedifolia. T...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo toán học: "Antioxidant, antimicrobial, and theoretical studies of the thiosemicarbazone derivative Schiff base 2-(2-imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide (IMHC)" potx
... for the synthesis of some bioactive compounds such as ß-lactams [16–18], and employed as ligands for the complexation of metal ions [19]. SBs and their complexes are largely studied because they ... interested and important properties such as their ability to bind reversibly oxygen [20] redox systems in biological systems and oxidation of DNA [21]. Antioxidants are...
Ngày tải lên: 20/06/2014, 20:20
Báo cáo khoa học: "Using lexical and relational similarity to classify semantic relations" pptx
... a large corpus, using query expansion to increase the recall of the search and feature selection and dimensionality reduction to reduce the complexity of the feature space. LRA performs well on ... due to the successful application of Support Vector Machines (Cortes and Vapnik, 1995) to many problems. The SVM algorithm learns a decision boundary be- tween two data...
Ngày tải lên: 08/03/2014, 21:20
Báo cáo khoa học: "Revision Learning and its Application to Part-of-Speech Tagging" pptx
... ranking of the candidate classes for a given example is as- signed by the stochastic model as in the training. Then the binary classifier classifies the example according to the ranking. If the classifier ... to all the nodes con- nected to the current state node, and the best of these nodes is identified based on the SVMs classifiers. The selected node then becomes...
Ngày tải lên: 17/03/2014, 08:20
Báo cáo khoa học: Protein transport in chloroplasts ) targeting to the intermembrane space pptx
... regulated by GTP binding and hydrolysis [4–7]. Toc34 GDP interacts with the second G-protein in the Toc complex, Toc159, and simultaneously transfers the preprotein to Toc159. Toc159 action facilitates ... samples, we conclude that Toc75-V plays no role in the translocation of pTic22 and pMGD1. The cross-linking of pTic22 and pMGD1 to Toc34 and Toc75 might be nonspecifi...
Ngày tải lên: 23/03/2014, 07:20
Báo cáo hóa học: " Chaotic signal reconstruction with application to noise radar system" pptx
... Chebyshev map, and the SNR is 40, 20, 10 dB, respec tively . The signal bandwidth is 200 MHz , the sampling frequency is 1 GMHz and the puls e length is 1 μs. In order to show the criterion, the co rre- lation ... signal -to- noise ratios; SDM: symbolic dynamics-based method. Acknowledgements The authors would like to thank the suggestions of the anonymous reviewers...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo toán học: " Order-distributions and the Laplace-domain logarithmic operator" docx
... are preserved through the mapping, the stable region always lies to the left of the contour. In the v- plane, this is the region above the top horizontal line, and below the lower h orizontal 0 ... the fundamental theory of the Laplace-domain logarithmic operator, and related operators. It is motivated by the appearance of logarithmic operators in a variety of fr...
Ngày tải lên: 20/06/2014, 21:20
Báo cáo hóa học: "Research Article Novel Heuristics for Cell Radius Determination in WCDMA Systems and Their Application to Strategic Planning Studies" potx
... to the capitals of the 50 Spanish provinces. We are considering the main cities and the surrounding towns under their administrative influence. The cities, their extension and the number of inhabitants ... factor indicates the load of the cell. If η = 0 there is no user in the system. On the opposite if η DL 1, the amount of interference in the system grows...
Ngày tải lên: 21/06/2014, 23:20
Tài liệu Báo cáo Y học: Novel bradykinins and their precursor cDNAs from European yellow-bellied toad (Bombina variegata) skin potx
... question which has led to the discovery of two novel, bradykinin-related peptides in the defensive skin secretion of the yellow-bellied toad (B. variegata)andthe subsequent cloning of their precursor ... residue. The propeptide convertases in this species, appear to disregard the -Arg-Lys- doublet two positions proximal to this substitution and rather cleave at the C-ter...
Ngày tải lên: 21/02/2014, 15:20