A multivariate modelling may involve a set of multivariate functions. A vector valued function structure can be used to mathematically express the given problem and each multivariate function can be considered as an e...
A multivariate modelling may involve a set of multivariate functions. A vector valued function structure can be used to mathematically express the given problem and each multivariate function can be considered as an element of this vector. This work aims to construct a new approach representing the elements of this vector structure in terms of less‐variate functions to reduce the computational complexity. For this purpose, a new method based on the plain High Dimensional Model Representation (HDMR) philosophy is developed. The basic concepts of this method and several illustrative numerical implementations are given here.
The primary goal of software repositories is to store the source code of software during its development. Developers constantly store small parts (i.e. software modifications) of code into the repository and share tho...
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The primary goal of software repositories is to store the source code of software during its development. Developers constantly store small parts (i.e. software modifications) of code into the repository and share those parts with others until the software is finished. However, software repositories store a significant amount of information about software and development processes. With the appropriate tool, source code modifications could be identified. In the article, we will introduce a tool for identifying structural source code changes from software repositories. With this tool, three open source projects were analyzed and different source code changes were identified during their development. We showed that the tool could be used to identify source code changes from software repositories.
A measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 4.5 fb−1 of proton-proton collisions data at s=7 TeV and 20.3 fb−1 at s=8 TeV colle...
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A measurement of the production processes of the recently discovered Higgs boson is performed in the two-photon final state using 4.5 fb−1 of proton-proton collisions data at s=7 TeV and 20.3 fb−1 at s=8 TeV collected by the ATLAS detector at the Large Hadron Collider. The number of observed Higgs boson decays to diphotons divided by the corresponding Standard Model prediction, called the signal strength, is found to be μ=1.17±0.27 at the value of the Higgs boson mass measured by ATLAS, mH=125.4 GeV. The analysis is optimized to measure the signal strengths for individual Higgs boson production processes at this value of mH. They are found to be μggF=1.32±0.38, μVBF=0.8±0.7, μWH=1.0±1.6, μZH=0.1−0.1+3.7, and μtt¯H=1.6−1.8+2.7, for Higgs boson production through gluon fusion, vector-boson fusion, and in association with a W or Z boson or a top-quark pair, respectively. Compared with the previously published ATLAS analysis, the results reported here also benefit from a new energy calibration procedure for photons and the subsequent reduction of the systematic uncertainty on the diphoton mass resolution. No significant deviations from the predictions of the Standard Model are found.
A search has been performed, using the full 20.3 fb−1 data sample of 8 TeV proton-proton collisions collected in 2012 with the ATLAS detector at the LHC, for photons originating from a displaced vertex due to the dec...
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A search has been performed, using the full 20.3 fb−1 data sample of 8 TeV proton-proton collisions collected in 2012 with the ATLAS detector at the LHC, for photons originating from a displaced vertex due to the decay of a neutral long-lived particle into a photon and an invisible particle. The analysis investigates the diphoton plus missing transverse momentum final state, and is therefore most sensitive to pair production of long-lived particles. The analysis technique exploits the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction, as well as the time of flight, of photons. No excess is observed over the Standard Model predictions for background. Exclusion limits are set within the context of gauge mediated supersymmetry breaking models, with the lightest neutralino being the next-to-lightest supersymmetric particle and decaying into a photon and gravitino with a lifetime in the range from 250 ps to about 100 ns.
This article proposes an approach that accelerates the realization of user identification schemes that follow the principle of zero knowledge. The proposed approach is based on using finite field arithmetic to replace...
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ISBN:
(纸本)9781467348751
This article proposes an approach that accelerates the realization of user identification schemes that follow the principle of zero knowledge. The proposed approach is based on using finite field arithmetic to replace the usual modular arithmetic approaches. The application of this efficient method that was developed using Galois Fields, renders feasible an exponential reduction of the computation time required for classical zero knowledge authentication methods, such as FFSIS, Schnorr and Guillou & Quisquater. Modifications of the relevant schemes are presented that use Galois Field multiplication operations. It is shown, both theoretically and experimentally that the proposed procedure attains a per order acceleration of the execution time required for the user authentication by 2 - 3 orders of magnitude, via a hardware implementation.
The software company FERK-Systems has been providing mobile health care information systems for various German medical services (e.g. Red Cross) for many years. Since handwriting is an issue in the medical and health ...
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ISBN:
(纸本)9789898425706
The software company FERK-Systems has been providing mobile health care information systems for various German medical services (e.g. Red Cross) for many years. Since handwriting is an issue in the medical and health care domain, a system for handwriting recognition on mobile devices has been developed within the last few years. While we have been continually improving the degree of recognition within the system, there are still changes necessary to ensure the reliability that is imperative in this critical domain. In this paper, we present the major improvements made since our presentation at the ICE-B 2010, along with a recent real-life usability evaluation. Moreover, we discuss some of the advantages and disadvantages of current systems, along with some business aspects of the vast, and growing, mobile handwriting recognition market.
A measurement of event-plane correlations involving two or three event planes of different order is presented as a function of centrality for 7 μb−1 Pb+Pb collision data at sNN=2.76 TeV, recorded by the ATLAS experim...
A measurement of event-plane correlations involving two or three event planes of different order is presented as a function of centrality for 7 μb−1 Pb+Pb collision data at sNN=2.76 TeV, recorded by the ATLAS experiment at the Large Hadron Collider. Fourteen correlators are measured using a standard event-plane method and a scalar-product method, and the latter method is found to give a systematically larger correlation signal. Several different trends in the centrality dependence of these correlators are observed. These trends are not reproduced by predictions based on the Glauber model, which includes only the correlations from the collision geometry in the initial state. Calculations that include the final-state collective dynamics are able to describe qualitatively, and in some cases also quantitatively, the centrality dependence of the measured correlators. These observations suggest that both the fluctuations in the initial geometry and the nonlinear mixing between different harmonics in the final state are important for creating these correlations in momentum space.
A search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3 fb−1 of pp collisions at s=8 TeV with the ATLAS detector at the Large Hadron Collider. Events w...
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A search is presented for production of dark-matter particles recoiling against a leptonically decaying Z boson in 20.3 fb−1 of pp collisions at s=8 TeV with the ATLAS detector at the Large Hadron Collider. Events with large missing transverse momentum and two oppositely charged electrons or muons consistent with the decay of a Z boson are analyzed. No excess above the Standard Model prediction is observed. Limits are set on the mass scale of the contact interaction as a function of the dark-matter particle mass using an effective field theory description of the interaction of dark matter with quarks or with Z bosons. Limits are also set on the coupling and mediator mass of a model in which the interaction is mediated by a scalar particle.
Due to increasing demand, container terminals face the challenges of increasing its service capacity and minimize the time of ships loading and unloading. The assignment of storage locations for reshuffled containers ...
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Due to increasing demand, container terminals face the challenges of increasing its service capacity and minimize the time of ships loading and unloading. The assignment of storage locations for reshuffled containers is a problem to the efficiency of container terminals operations, as a wrong assignment may result in several future reshuffles. This paper proposes a meta-heuristic based on the Clonal Selection Algorithm to minimize reshuffle when retrieving containers from a stack. The model competitiveness in accuracy and time are established by extensive numerical experiments comparing with an existing Integer program model. The preliminary results obtained here suggest the proposed model is a promising optimization tool for the container stacking problem.
Communication network expansion technology using autonomous robot introduces three research fields which is network expansion, network routing, and localization. On this research, we tried to develop an efficient robo...
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Communication network expansion technology using autonomous robot introduces three research fields which is network expansion, network routing, and localization. On this research, we tried to develop an efficient robot formation and network expansion that is implemented using Open Dynamics Engine (ODE) library and network routing algorithm. This paper also shows some modifications that have been done to improve the performance of robot formation and network routing process. In robot formation and network expansion process, step that has been done is multiple source implementations to keep communication linkage between communication towers. Besides that, we developed new routing protocol based on cluster based routing concept. The result of simulation shows that our proposed communication network expansion technology is visible to be implemented.
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