منابع مشابه
There is more to context than location
Context is a key issue in interaction between human and computer, describing the surrounding facts that add meaning. In mobile computing research published the parameter location is most often used to approximate context and to implement context-aware applications. We propose that ultra-mobile computing, characterized by devices that are operational and operated while on the move (e.g. PDAs, mo...
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There is considerable variation in the rate at which different proteins evolve. Why is this? Classically, it has been considered that the density of functionally important sites must predict rates of protein evolution. Likewise, amino acid choice is usually assumed to reflect optimal protein function. In the present article, we briefly review evidence suggesting that this protein function-centr...
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ژورنال
عنوان ژورنال: Journal of the American College of Cardiology
سال: 2008
ISSN: 0735-1097
DOI: 10.1016/j.jacc.2008.08.010