sequential contrast and uniformity sequence
Hacking from a network: SYN flood and TCP Sequence number prediction attacks
Ngày tải lên :
26/10/2013, 23:15
... engineering decision to have a fixed resource allocation and to use more of the resource than the designers expected, and/ or to take advantage of consequences from using more of the resource During this ... way and as you know would respond with a SYN/ACK if it was an open port and it was willing to talk on that port Once the server sends the SYN/ACK, the server is committed to the connection, and ... wide area In 1973 and 1974, a standard networking protocol, a communications protocol for exchanging data between computers on a network, emerged from the various research and educational efforts...
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Báo cáo khoa học: Human telomeric G-quadruplex: structures of DNA and RNA sequences ppt
Ngày tải lên :
06/03/2014, 09:22
... of one strand and only the 3¢-end G-tract of the other strand [30] (Fig 3D) The core of this structure, called the (3 + 1) core, has three strands oriented in one direction and one strand oriented ... consecutive G-tracts are 5¢-syn-anti-anti-3¢ and 5¢-syn-syn-anti-3¢ for one strand and 5¢-syn-syn-anti-3¢ and 5¢-syn-anti-anti-3¢ for the other strand of the dimer; glycosidic conformations of ... parallel-stranded structure in Na+ and K+ solution [65,66] The conservation of the G-quadruplex folding topology for human telomeric RNA sequences in Na+ and K+ solution [65,66] contrasts to...
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Báo cáo khoa học: Fluorescence studies of the replication initiator protein RepA in complex with operator and iteron sequences and free in solution pdf
Ngày tải lên :
07/03/2014, 04:20
... spectra between free and DNA-bound RepA are shown as dashed lines RepA was 1.25 lM and 0, 0.2, 0.4, 0.6 and lM 1IR (A), 0, 0.4, 1.2, 2.4 and lM 1DR (B), and 0, 0.8, 1.8, 3.2 and lM 1DR-short (C) ... (MA7), and the oligonucleotides were subsequently annealed with their complementary strands, and puried as above UV Vis and CD spectroscopy CD spectra and melting curves of wild-type RepA and AEDANS-labeled, ... and bound to 1IR (B), 1DR (C) and 1DR-short (D) Table S1 Fluorescence lifetimes and decay amplitudes for W94 and AEDANSC160, respectively, in free RepA and RepA bound to various cognate DNA sequences...
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Báo cáo khoa học: Nucleosome positioning in relation to nucleosome spacing and DNA sequence-specific binding of a protein doc
Ngày tải lên :
16/03/2014, 10:20
... deposits nucleosomes in a random fashion, and has been useful for checking the ability of various DNA sequences to position nucleosomes in vitro A Drosophila embryonic extract, in contrast [23], can ... boxes and L1, L2 and L3 denote the first, second and third lac operator sites The distance in bp between each site is given (B) Schematic map of plasmid d35 with the shortest distance between L1 and ... salt Lanes and show naked DNA digestion patterns, and lanes 3–8 represent chromatin R3 is absent in lanes 1, 3, and 6, whereas chromatin was assembled at 50 mM salt for lanes 1–4, and at 70 mM...
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Báo cáo khoa học: "Semi-Supervised Sequential Labeling and Segmentation using Giga-word Scale Unlabeled Data" pdf
Ngày tải lên :
23/03/2014, 17:20
... Conventional Supervised CRFs Let x ∈ X and y ∈ Y be an input and output, where X and Y represent the set of possible inputs and outputs, respectively C stands for the set of cliques in an undirected ... evaluated by Fβ=1 score As shown in Tables and 9, the previous best performance for syntactic chunking and NER was reported by (Ando and Zhang, 2005), and is referred to as ‘ASO-semi’ ASO-semi ... in terms of model structure and parameter estimation procedure, JESS-CM provides F -scores of 94.45 and 88.03 for CoNLL’00 and ’03 data, respectively, which are 0.15 and 0.83 points higher than...
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Expressing and Optimizing Sequence Queries in Database Systems pdf
Ngày tải lên :
30/03/2014, 22:20
... X.price < Y.price AND Y.price < Z.price AND Z.price < T.price ) OR ( X.price > 55 AND X.price < 57 AND Y.price > 55 AND Y.price < 57 AND Z.price > 55 AND Z.price < 57 AND T.price > 55 AND T.price < ... CLUSTER BY name SEQUENCE BY date AS (X, Y, Z, T, U) WHERE X.name=’IBM’ AND Y.price < X.price AND Z.price < Y.price AND 40 < Z.price < 50 AND Z.price < T.price AND T.price < 52 AND T.price < U.price ... CLUSTER BY name, SEQUENCE BY date AS (*X, Y, *Z, *T, U, *V, S) WHERE X.name=’IBM’ AND X.price > X.previous.price AND 30 < Y.price AND Y.price < 40 AND Z.price < Z.previous.price AND T.price > T.previous.price...
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Báo cáo khoa học: "Exact Decoding for Jointly Labeling and Chunking Sequences" pot
Ngày tải lên :
31/03/2014, 01:20
... standard training set of 8936 sentences and a test set of 2012 sentences For the training, we used the first 447 sentences from the standard training set, and our evaluation was done on the standard ... McCallum, and F Pereira 2001 Conditional Random Fields: Probabilistic Models for Segmenting and Labeling Sequence Data In Proc of the 18th International Conference on Machine Learning (ICML) F Peng and ... POS and NP labels, before and after collapsing the labels We present two experiments: one comparing our label-chunk model with a cascaded linear-chain model and a simple linear-chain model, and...
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independent and stationary sequences of random variables
Ngày tải lên :
08/04/2014, 12:28
... of X, and is denoted by the symbol E(X) I f X is a random vector with values in R" and distribution F, and is a Borel measurable function from R" to R, then (X) is a random variable, and E O ... contents and methods of attack of this book, and we seek therefore to so in this preface The problems studied here concern sums of stationary sequences of random variables, including sequences ... I A IBRAGIMOV AND Yu V LINNIK University of ' Leningrad, Leningrad INDEPENDENT AND STATIONARY SEQUENCES OF RANDOM VARIABLES Edited by PROFESSOR J F C KINGMAN...
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conditional random fields- probabilistic models for segmenting and labeling sequence data
Ngày tải lên :
24/04/2014, 13:20
... convergence Conditional Random Fields In what follows, X is a random variable over data sequences to be labeled, and Y is a random variable over corresponding label sequences All components Yi ... where x is a data sequence, y a label sequence, and y|S is the set of components of y associated with the vertices in subgraph S We assume that the features fk and gk are given and fixed For example, ... (Yi−1 , Yi ) and vi is the vertex with label Yi In contrast to generative models, conditional models like CRFs not need to enumerate over all possible observation sequences x, and therefore...
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Báo cáo hóa học: " Analysis of Free Energy Signals Arising from Nucleotide Hybridization between rRNA and mRNA Sequences during Translation in Eubacteria" docx
Ngày tải lên :
22/06/2014, 22:20
... also exist Shine and Dalgarno [4] observed sequence complementarity between the 3¼ -terminal single-stranded nucleotide sequence of the 16S rRNA (rRNA tail) and a window of mRNA sequence upstream ... coli, sequences encoding the 16S and 23S rRNAs were also used, designated as “noncoding” sequences to indicate that they not encode amino acid sequence information The 3¼ -terminal nucleotide sequences ... GenBank annotation, the coding sequences were sorted into two categories: (1) verified sequences, that is, genes with a clearly annotated function and (2) hypothetical sequences, that is, genes listed...
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Báo cáo hóa học: " Use of Genetic Algorithms for Contrast and Entropy Optimization in ISAR Autofocusing" doc
Ngày tải lên :
22/06/2014, 23:20
... and robustness, and hence it is preferred to deterministic approaches ACKNOWLEDGMENTS The authors acknowledge the Defense Science and Technology Organisation (DSTO) for the use of real data and ... postdoctoral contract, and the Department of Information Technology and Electrical Engineering (ITEE) of the University of Queensland as a Visiting Researcher between 2001 and 2006 His research ... are able to solve linear and nonlinear problems by exploring all regions of the search domain and by exponentially exploiting promising areas through mutation, crossover, and selection operations...
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Báo cáo hóa học: " Research Article A New Method to Represent Speech Signals Via Predefined Signature and Envelope Sequences" pptx
Ngày tải lên :
22/06/2014, 23:20
... speakers and languages to deter- mine signature and envelope sequences This step may result in hundreds of thousand of signature and envelope sequences for different languages However, these sequences ... follows In this research, several tens of thousands of speech pieces were investigated frame by frame and several thousands of “signature and envelope sequences” were generated It was observed that ... thousands of different experiments In Figures and 6, some selected one of a kind signature and envelope sequences are plotted point by point against their entry indices resulting in the signature and...
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Independent And Stationary Sequences Of Random Variables ppt
Ngày tải lên :
27/06/2014, 03:20
... of X, and is denoted by the symbol E(X) I f X is a random vector with values in R" and distribution F, and is a Borel measurable function from R" to R, then (X) is a random variable, and E O ... R, and let X be a random variable with E I X I < oo The conditional expectation of X relative to a1 is the random variable, denoted by E (X I 1), which is measurable with respect to tall and ... expectations which will be needed later (cf [31], Chapter I) If Y and Z are random variables with E I YI < oc and E IZI < oo, and if Z is measurable with respect to a,, then with probability one,...
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Independent And Stationary Sequences Of Random Variables - Chapter 1 pptx
Ngày tải lên :
02/07/2014, 20:20
... of X, and is denoted by the symbol E(X) I f X is a random vector with values in R" and distribution F, and is a Borel measurable function from R" to R, then (X) is a random variable, and E O ... R, and let X be a random variable with E I X I < oo The conditional expectation of X relative to a1 is the random variable, denoted by E (X I 1), which is measurable with respect to tall and ... expectations which will be needed later (cf [31], Chapter I) If Y and Z are random variables with E I YI < oc and E IZI < oo, and if Z is measurable with respect to a,, then with probability one,...
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Independent And Stationary Sequences Of Random Variables - Chapter 2 ppt
Ngày tải lên :
02/07/2014, 20:20
... non-increasing, and so therefore is the function defined on the positive rationals Consequently, has right and left limits (s - 0) and (s + 0) at all s > From (2.2 10) these are equal, and A (s) ... with a and /3 = ± are all unimodal In fact, we have proved more (and will need the stronger result later) : (1) if a < the function pX (x ; a, 1) is zero in (- oo, 0] and has just one zero, and ... 1-n -1 n- a , ,c ), and use Theorem 5.1 § Domains of attraction Let X1 , X2 , be a sequence of independent random variables, with the same distribution function F (x), and set Zn= Xl+X2+ ...
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Independent And Stationary Sequences Of Random Variables - Chapter 4 ppt
Ngày tải lên :
02/07/2014, 20:20
... therefore that (1) and (2) are satisfied, and choose appropriate constants A n , B n Because of (2) the density p N (x), and thus also its Fourier transform, is square integrable, and co f IpN(x)1 ... (4.4.5) m Proof Let ~ , b2, be independent and identically distributed random variables taking only the values and 1, with respective probabilities b and a Bernstein's inequality (cf § 7.5) shows ... necessary and sufficient that the interval h be maximal and that x dF(x) = O(z - b) ~xI~z Theorem If the independent variables Xj have the same lattice distribution with step h, and have E(Xj) = and...
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Independent And Stationary Sequences Of Random Variables - Chapter 5 pot
Ngày tải lên :
02/07/2014, 20:20
... finite third moment, and write E(XX)=0, E(Xj2)=62, E(X,3)=a3, EIX;I3=J33 As before, the distribution function and characteristic function of X;, and the distribution function and characteristic ... ), write i = 27r/h and define S (x) and d,,(t) as in § 3.3 Theorem 5.3 If X1 , X2 , are independent random variables with the same distribution F belonging to L h and having finite third ... point x and a sequence {nj} such that either F„ j(xo) - G (x o) > b > or F„i (xo) - G (xo ) < - < 142 LOCAL LIMIT THEOREMS Chap for all j Suppose for instance that the former is true, and choose...
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Independent And Stationary Sequences Of Random Variables - Chapter 6 pptx
Ngày tải lên :
02/07/2014, 20:20
... X; up to order (s+3) Thus if we have two sequences A } and {Xj'}, both satisfying Cramer's condition, whose moments agree up to order (s + 3), and Z„ and Z ;, are the corresponding normalised ... likelihood of H0 , and L(H ) is similarly defined Now (6 15) can be thrown into the form m log p + m log p + + m log pr > log ~ - n log r, (6 16) and the expectation of the left-hand side, under ... success, and Y = otherwise If b (m, n, p) = P Y; = m , (j= i then of course n! pm q n - m (m, n, p) = m b (n-m) , (6.1 5) where q= 1- p If X; = Y; - p, then E (Xj ) = , V (XX) = pq, and Z„ takes...
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Independent And Stationary Sequences Of Random Variables - Chapter 7 potx
Ngày tải lên :
02/07/2014, 20:20
... integrand in (7.2.4) has the form M (z)" exp (- cn zx) (7.2.5) We shall suppose that c is chosen so small that c < a and that (M(z)I > in IzI < c (this being possible since M is continuous and ... IM(z)l < exp(-sc E1) (7.2.14) on L2 and L4 Moreover, lexp (- cn2 z) = exp (- cn2 Re z) < , (7.2.15) I and therefore = O(exp(-nr7 (E ))) + (7.2.16) JL on L2 and L4 Moreover, lexp (- un- z) I ... (7.2.3) Here B is bounded and r1 (c) > The right-hand side of (7.2.3) can be written as B exp (- nri (c)), where ri l (c) > Substituting into (7 2.2) and using the fact that, on the imaginary axis,...
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