منابع مشابه
Reconstruction of paradigm shifts
There are many extensions of the basic attribute grammar formalism intended to improve its pragmatics, e.g. certain modularity concepts, remote access, object-orientation, templates, rule models and higher-order features. In the paper, a generic and formal approach to an effective and orthogonal reconstruction of the concepts underlying some extensions is described. The reconstruction is effect...
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Coordination – commonly defined as the achievement of concerted action has been a phenomenon of central concern to organizational theorizing since the 1920s. Until the 1980s, information processing and contingency theorists have shaped coordination theory around the relationship between coordination mechanisms and drivers like task dependence, uncertainty, and equivocality. Recently, conceptual...
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Bayesian inference has the advantage of dynamic consistency, but the drawback of rigidity. When a decision-maker’s initial model fails a hypothesis test, he may wish to form a new model, violating Bayes’ rule. We show that if such “paradigm shifts” are rare, he will be “approximately” dynamically consistent. More specifically, we show that in our setting dynamic consistency is equivalent to the...
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We study the implications of learning in an environment where the true model of the world is a multivariate one, but where agents update only over the class of simple univariate models. If a particular simple model does a poor job of forecasting over a period of time, it is eventually discarded in favor of an alternative—yet equally simple—model that would have done better over the same period....
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SUMMARY. — The molecularization of developmental biology was originally seen as a challenge to the integrity of that discipline. However, important new insights from the analysis of gene expression soon transformed the field from one of experimental anatomy to one of developmental genetics. One of the main areas to be transformed from an anatomical to a molecular study was « primary embryonic i...
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ژورنال
عنوان ژورنال: Microbe Magazine
سال: 2013
ISSN: 1558-7452,1558-7460
DOI: 10.1128/microbe.5.93.1