منابع مشابه
Alternative DRM formulations
In this paper, we present two DRM formulations. For a pseudo–Poisson equation, if the right hand side is a linear operation on the dependent variable, we can derive a new DRM formulation. In comparison with the traditional DRM formulation for the same equation, the new one is much easier and more efficient. For the axisymmetric Poisson equation, we construct a DRM formalation by using the linea...
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3 According to IFPI, in recent months the distribution channels for digital music have become diversified. While à la carte services, led by iTunes, remain the predominant option of choice, competition is coming from subscription services, ringtones and the more recent models featuring sponsored content, such as on YouTube or MySpace. Seeking an alternative to DRM Fabrizio Ferraro e-business Ce...
متن کاملComparing Alternative Formulations for the ARM
In this article we study the effectiveness of alternative integer programming formulations for area constrained harvest scheduling, known as the area restriction model (ARM). Empirical assessment of the effect of area constraints on the optimal objective value of these alternative approaches is carried out, focusing on the root Linear Programming relaxation. We also examine how this relates to ...
متن کاملValidation of alternative formulations of job strain.
OBJECTIVE To examine the construct validity of different formulations of job strain based on the demand-control(-support) model in the context of a hospital-based survey. METHODS We defined the best measure of job strain as the one that would be better predicted by professional status and job characteristics and better predict health outcomes, stress and back-pain leave. We received 1,298 res...
متن کاملSome Alternative Formulations of the Event Calculus
The Event Calculus is a narrative based formalism for reasoning about actions and change originally proposed in logic programming form by Kowalski and Sergot. In this paper we summarise how variants of the Event Calculus may be expressed as classical logic axiomatisations, and how under certain circumstances these theories may be reformulated as “action description language” domain descriptions...
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ژورنال
عنوان ژورنال: Engineering Analysis with Boundary Elements
سال: 2003
ISSN: 0955-7997
DOI: 10.1016/s0955-7997(02)00094-2