Preserving the present
نویسندگان
چکیده
منابع مشابه
Preserving the Past, Enjoying the Present and Facing the Future: Interaction Design and Family Archives
Digital archives of personal memories are becoming increasingly technically feasible, but there remain significant interaction design challenges. These challenges must be addressed before these archives will present interactive experiences that are attractive and emotionally engaging. In this paper, we present a research and design study of the Living Memory Box, a device and service to assist ...
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Over the past few decades, remarkable advancements in the understanding of the origin of low-back pain and lumbar spinal disorders have been achieved. Spinal fusion is generally considered the "gold standard" in the treatment of low-back pain; however, fusion is also associated with accelerated degeneration of adjacent levels. Spinal arthroplasty and dynamic stabilization technologies, as well ...
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For $A,Bin M_{nm},$ we say that $A$ is left matrix majorized (resp. left matrix submajorized) by $B$ and write $Aprec_{ell}B$ (resp. $Aprec_{ell s}B$), if $A=RB$ for some $ntimes n$ row stochastic (resp. row substochastic) matrix $R.$ Moreover, we define the relation $sim_{ell s} $ on $M_{nm}$ as follows: $Asim_{ell s} B$ if $Aprec_{ell s} Bprec_{ell s} A.$ This paper characterizes all linear p...
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ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/345465a0