Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 27 for “"Multi-Way"”.
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Multi-Way Block Models
This dissertation investigates the Multi-Way Block Models proposed for mining inner structure of interaction between two sets of subjects. The Multi-Way Block Models generalize the Mixed Membership Stochastic Block Models (Airoldi et al., 2008) in multi-ways, as extensions in model settings …
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MULTI-WAY COMMUNICATION SYSTEM
… sites because of lack of security. So, with the “Multi-Way Communication System” (MWCS) we resolve some security issues. The MWCS is a highly secure way for file transfer, text and video conferencing.</p>
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Multivariate time series clustering using kernel variant multi-way principal component analysis
Clustering multivariate time series data has been a challenging task for researchers since data has multiple dimensions to consider such as auto-correlations and cross-correlations whereas multivariate time series data has been prevailing in diverse areas for decades. However, for a short-period …
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Lossless multi-way power combining and outphasing for radio frequency power amplifiers
… levels, it is often preferable to construct multiple low power PAs and combine their output powers to form a high-power PA. Moreover, such PAs must often be able to provide dynamic control of their output power over a wide range, and maintain high efficiency across their operating range. This …
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Combinatorial optimization by stochastic evolution with applications to the physical design of VLSI circuits
… Linear Ordering, Standard Cell Placement, and Multi-way Circuit Partitioning problems. It is empirically shown that SE out-performs the more established general optimization algorithm, namely, Simulated Annealing.
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Disease population genetic simulation framework: towards application in modelling disease risk prediction and heritability rate
… of two genetically isolated populations (2-way admixed populations). The two proposed joint methods for admixed populations with more than two ancestral populations (multi-way admixed populations) are not optimized for such populations. This excludes a larger portion of multi-way admixed …
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Mapping genes underlying ethnic differences in tuberculosis risk by linkage disequilibrium in the South African coloured population of the Western Cape
… Furthermore, admixture association studies for multi-way admixed populations pose constant challenges, including the choice of an accurate ancestral panel to infer ancestry and for imputing missing genotypes to identify possible genetic variants causing susceptibility to disease. This thesis …
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Genetic dating and pattern of admixture in modern human evolution
… a mosaic of chromosomal segments inherited from multiple ancestral populations. The distribution of ancestral chromosomal segments and the recombination breakpoints in an admixed genome provide information about the time of admixture. Studying populations with particular ancestries has become a …
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A Test Score Comparison between Block and Traditional Scheduling
… used including means and standard deviations. A multi-way ANOVA with 6 factors (schedule, sex, race, SES, classification, and school year) was used to determine if a significant difference existed between the students instructed on a 4 x 4 block schedule and students instructed on a seven-period …
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Solving Some Behrens-Fisher Problems Using Modified Bartlett Correction
… These BF problems include heterogenous one-way ANOVA, multi-way ANOVA, one-way MANOVA, two-way MANOVA, and regression coefficient comparison under heteroscedasticity. For each BF problem, we show that the asymptotic distribution of the test statistic is Chi-square with some known degrees of …
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Optimization of Rib-To-Deck Welds for Steel Orthotropic Bridge Decks
… effect of weld dimensions and test scenarios. Multiple linear regression (MLR) was performed to investigate the effects of different weld dimensions; and multi-way analysis of covariance (Multi-way ANCOVA) for the effects of specimen series, failure mode, R-ratio and weld root gap. It was found …
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Determining land use change and desertification in China using remote sensing data
… change. Statistical tests, such as unbalanced multi-way ANOVA, determine if climatic or anthropogenic factors can predict if an area is undergoing rapid land cover change. The climate and population data is resampled to an uniform 0.5' scale and converted into qualitative, data before …
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Optimal Blocking for Three Treatments and BIBD Robustness - Two Problems in Design Optimality
… optimal designs for three treatments in the one-way and multi-way heterogeneity settings, first proving optimality through a series of bounding arguments, then applying combinatorial techniques for their construction. Among the results established are optimality with respect to the well known E …
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Joint relay beamforming and transceiver processing in multiuser relay network
… relay beamforming and transceiver processing in multiuser relay network. First of all, we consider the scenario in which multiple source-to-destination (S-D) pairs intend to communicate with the help of multiple distributed amplify-and-forward (AF) relays. A rank-two beamforming Alamouti scheme …
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The Application Of Informetrics To Information Retrieval Systems Design: A Simulation Study
… different file structures were compared using multi-way Analysis of Variance.;It was found that different structures were better suited for different retrieval environments. The chained hashing structure, in most cases, provided the best retrieval performance and most economical space …
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Torsional Testing of Race, K3 and Profile Nickel Titanium Endodontic Files
… and the rotations to fracture were recorded. A multi-way ANOVA of rotations revealed that RaCe 25-0.02 exhibited significantly less rotations to fracture than Profile and K3 of the same size (p<0.0001). RaCe 25 tip exhibited lower maximum torque in all tapers than corresponding K3 and Profile …
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The automated translation of integrated formal specifications into concurrent programs
… in Java. The JCSProB package implements multi-way synchronization with choice for the combined B and CSP event, as well as a new multi-threading mechanism at process level. Also, a GUI sub-package isdesigned for constructing GUI programs for JCSProB to allow user interaction and runtime …
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Linear and log-linear models based on generalized inverse sampling scheme
… count data. Also negative binomial and negative multinomial (NMn) models are applicable when there is only one rare category in the population. Here, a new model, based on generalized inverse sampling scheme, is introduced to study several rare events simultaneouly. The generalized inverse …
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Efficient parallel computation on multiprocessors with optical interconnection networks
… on both one dimensional LARPBS's as well as multi-dimensional LARPBS's: parallel comparison problems, including sorting, merging, and selection; Boolean matrix multiplication, transitive closure and their applications to connected component problems. We implement an optimal sorting algorithm …
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Equity and efficiency in health and health care for HIV-positive adults in South Africa
… is assessed through probabilistic and multi-way sensitivity analyses. Results of these analyses are key inputs into mathematical programming algorithms that allow an assessment of the implications of choosing one social choice rule over another in terms of gains in the good and the …
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