نتایج جستجو برای: language usage
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It was long considered to be impossible to learn grammar based on linguistic experience alone. In the past decade, however, advances in usage-based linguistic theory, computational linguistics, and developmental psychology changed the view on this matter. So-called usage-based and emergentist approaches to language acquisition state that language can be learned from language use itself, by mean...
This paper introduces a formal model, an architecture and a prototype implementation for usage control on GRID systems. The usage control model (UCON) is a new access control paradigm proposed by Park and Sandhu that encompasses and extends several existing models (e.g. MAC, DAC, Bell-Lapadula, RBAC, etc). Its main novelty is based on continuity of the access monitoring and mutability of attrib...
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