19,349 research outputs found

    Chat assistant : an online distance collaborative decision tool

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    Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.Includes bibliographical references (leaves 59-60).by Shastri Stefan J. Sandy.M.Eng

    An Evolutionary Continuous Casting Problem of Stefan Type

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    Rodrigueso, J.. (1984). An Evolutionary Continuous Casting Problem of Stefan Type. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/2509

    The SIB Swiss Institute of Bioinformatics' resources: focus on curated databases

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    The SIB Swiss Institute of Bioinformatics (www.isb-sib.ch) provides world-class bioinformatics databases, software tools, services and training to the international life science community in academia and industry. These solutions allow life scientists to turn the exponentially growing amount of data into knowledge. Here, we provide an overview of SIB's resources and competence areas, with a strong focus on curated databases and SIB's most popular and widely used resources. In particular, SIB's Bioinformatics resource portal ExPASy features over 150 resources, including UniProtKB/Swiss-Prot, ENZYME, PROSITE, neXtProt, STRING, UniCarbKB, SugarBindDB, SwissRegulon, EPD, arrayMap, Bgee, SWISS-MODEL Repository, OMA, OrthoDB and other databases, which are briefly described in this article

    An isoperimetric estimate and W1, p-quasiconvexity in nonlinear elasticity

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    Muller, Stefan; Sivaloganathan, Jeyabal; Spector, Scott J.. (1998). An isoperimetric estimate and W1, p-quasiconvexity in nonlinear elasticity. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/3195

    Cultural Factors in Complex Decision Making

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    Complex decision-making is conceptualised as the process of problem solving in meaningful and important, but complex, dynamic and partially opaque situations. This process is open to a number of cultural influences, among them educational practices, environmental predictability, and power distance. Two empirical studies that explore into the cultural relativity of this type of decision making use interactive computer simulations of complex problems as research instruments. There are a number of behavioural differences between participants from India and Germany which can be explained within a culture-theoretical framework and give reason for the plea to include cultural factors in theories on human decision making

    Stefan Jaworski a historia. Na podstawie dopiskow na marginesach jego ksiazek

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    The Author recontructs the thoughts of Stefan Javors'kyj about history, historiography and events contemporary to him on the basis of marginal notes written on his own books. The material, unknown until now, shows the connections of the Metropolitan of Rjazan with Polish and European culture

    Correction: Mapping career patterns in research: A sequence analysis of career histories of ERC applicants (PLoS ONE) (2020) 15:7 (e0236252) DOI: 10.1371/journal.pone.0236252)

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    There is an error in the order of author affiliations. The publisher apologizes for the error. The correct order is: Claartje J. Vinkenburg2, Sara Connolly3 , Stefan Fuchs1 , Channah Herschberg4 , Brigitte Schels1,5 1 Institute for Employment Research, IAB, Nuremberg, Germany, 2 Independent expert, Amsterdam, the Netherlands, affiliated with VU Amsterdam, 3 Norwich Business School, University of East Anglia, Norwich, United Kingdom, 4 Institute for Management Research, Radboud University, Nijmegen, the Netherlands, 5 Friedrich-Alexander University of Erlangen- Nuremberg, Nuremberg, Germany Corresponding author is principal investigator, all other authors appear in alphabetical order, and made equal contributions to data collection, data analysis, and writing

    Automatic control via thermostats of a hyperbolic Stefan problem with memory

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    A hyperbolic Stefan problem based on the linearized Gurtin—Pipkin heat conduction law is considered. The temperature and free boundary are controlled by a thermostat acting on the boundary. This feedback control is based on temperature measurements performed by real thermal sensors located within the domain containing the two-phase system and/or at its boundary. Three different types of thermostats are analyzed: simple switch, relay switch, and a Preisach hysteresis operator. The resulting models lead to integrodifferential hyperbolic Stefan problems with nonlinear and nonlocal boundary conditions. Existence results are proved in all the cases. Uniqueness is also shown, except in the situation corresponding to the ideal switch

    On a Penrose-Fife model with zero interfacial energy leading to a phase-field system of relaxed Stefan type

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    In this paper we study an initial-boundary value Stefan-type problem with phase relaxation where the heat flux is proportional to the gradient of the inverse absolute temperature. This problem arises naturally as limiting case of the Penrose-Fife model for diffusive phase transitions with non-conserved order parameter if the coefficient of the interfacial energy is taken as zero. It is shown that the relaxed Stefan problem admits a weak solution which is obtained as limit of solutions to the Penrose-Fife phase-field equations. For a special boundary condition involving the heat exchange with the surrounding medium, also uniqueness of the solution is proved
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