Graph rewriting systems have come of age. In autumn 1994, the 25th anniversary of the first publication in this area was celebrated at the 5th Workshop on Graph Grammars and their Applications to Computer Science. In the interim, the subject has evolved. The current situation can be described by a three-stage model. At the very low...

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Telecommunications policy profoundly affects the economy and our everyday lives. Yet accounts of important telecommunications issues tend to be either superficial (and inaccurate) or mired in jargon and technical esoterica. In Digital Crossroads, Jonathan Nuechterlein and Philip Weiser offer a clear, balanced, and accessible analysis of...

"Weber understands that the world is going digital and that competitive advantage will accrue to those who understand the transformation. CEOs should heed this transformation and learn from Weber's insights how to navigate this new landscape to fully maximize their business opportunities."
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This supplementary introductory tutorial treats the following subjects: the basic characteristics of industrial robot mechanisms; the pose and movement of an object, which are described by homogenous transformation matrices; a geometric model of robot mechanism; a short introduction into kinematics and dynamics of robots; robot sensors and the...

Early hip hop film musicals have either been expunged from cinema history or excoriated in brief passages by critics and other writers. Hip Hop on Film reclaims and reexamines productions such as Breakin' (1984), Beat Street (1984), and Krush Groove (1985) in order to illuminate Hollywood's fascinating...