2,010,994 research outputs found

    Services brands' values: internal and external corporate communication

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    As services brands are a cluster of values, we explore the way in which values are communicated to both customers and staff. This work is based upon a literature review and themes highlighted from depth interviews with leading edge services branding consultants. Values tend to be communicated to consumers via their experience of the brand as a whole, including their interactions with employees, external brand communications and the tangible elements of the service offering. For employees, values are communicated via HR practices and polices, internal and external brand communications and the example set by senior managers

    Stability of Intercelular Exchange of Biochemical Substances Affected by Variability of Environmental Parameters

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    Communication between cells is realized by exchange of biochemical substances. Due to internal organization of living systems and variability of external parameters, the exchange is heavily influenced by perturbations of various parameters at almost all stages of the process. Since communication is one of essential processes for functioning of living systems it is of interest to investigate conditions for its stability. Using previously developed simplified model of bacterial communication in a form of coupled difference logistic equations we investigate stability of exchange of signaling molecules under variability of internal and external parameters.Comment: 11 pages, 3 figure

    New communication media challenges for supervisors and external doctoral students

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    This study investigated perceptions of doctoral students and supervisors in an Australian university about communication challenges in doctoral distance education, frequency of communication between candidate and supervisors, satisfaction with meetings or communication, use of communication media and use of new types of personal media of communication. Forty-one doctoral students and nine supervisors confirmed their reliance on email communication via responses on a communications survey. Subtle differences emerged between the perceptions of doctoral students and their supervisors with reference to the adaptation of distance learning materials, the mix of synchronous and asynchronous interaction, and the use of new media of communication in the university. There was a less than positive perception of the use of discussion boards or online communities as learning tools

    Minimum-Information LQG Control - Part I: Memoryless Controllers

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    With the increased demand for power efficiency in feedback-control systems, communication is becoming a limiting factor, raising the need to trade off the external cost that they incur with the capacity of the controller's communication channels. With a proper design of the channels, this translates into a sequential rate-distortion problem, where we minimize the rate of information required for the controller's operation under a constraint on its external cost. Memoryless controllers are of particular interest both for the simplicity and frugality of their implementation and as a basis for studying more complex controllers. In this paper we present the optimality principle for memoryless linear controllers that utilize minimal information rates to achieve a guaranteed external-cost level. We also study the interesting and useful phenomenology of the optimal controller, such as the principled reduction of its order

    Multi-Level Trust Game with “Insider” Communication

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    This experiment studies the internal and external effects of communication in a multilevel trust game. In this trust game, the first player can send any part of his endowment to the second player. The amount sent gets tripled. The second player decides how much to send to the third player. The amount is again tripled, and the third player then decides the allocation among the three players. The baseline treatment with no communication shows that the first and second players send significant amounts and the third player reciprocates. When we allow communication only between the second and third players, the amounts sent and returned between these two increase. The new interesting finding is that there are external effects of communication: the first player who is outside communication sends 60% more and receives 140% more than in the no communication treatment. As a result, social welfare and efficiency increase from 48% to 73%.multi-level trust games, experiments, reciprocity, communication

    Information complexity of the AND function in the two-Party, and multiparty settings

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    In a recent breakthrough paper [M. Braverman, A. Garg, D. Pankratov, and O. Weinstein, From information to exact communication, STOC'13] Braverman et al. developed a local characterization for the zero-error information complexity in the two party model, and used it to compute the exact internal and external information complexity of the 2-bit AND function, which was then applied to determine the exact asymptotic of randomized communication complexity of the set disjointness problem. In this article, we extend their results on AND function to the multi-party number-in-hand model by proving that the generalization of their protocol has optimal internal and external information cost for certain distributions. Our proof has new components, and in particular it fixes some minor gaps in the proof of Braverman et al

    A Formulation of the Potential for Communication Condition using C2KA

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    An integral part of safeguarding systems of communicating agents from covert channel communication is having the ability to identify when a covert channel may exist in a given system and which agents are more prone to covert channels than others. In this paper, we propose a formulation of one of the necessary conditions for the existence of covert channels: the potential for communication condition. Then, we discuss when the potential for communication is preserved after the modification of system agents in a potential communication path. Our approach is based on the mathematical framework of Communicating Concurrent Kleene Algebra (C2KA). While existing approaches only consider the potential for communication via shared environments, the approach proposed in this paper also considers the potential for communication via external stimuli.Comment: In Proceedings GandALF 2014, arXiv:1408.556
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