نتایج جستجو برای: r online
تعداد نتایج: 692397 فیلتر نتایج به سال:
For any graph F and any integer r ≥ 2, the online vertex-Ramsey density of F and r, denoted m∗(F, r), is a parameter defined via a deterministic two-player Ramsey-type game (Painter vs. Builder). This parameter was introduced in a recent paper [arXiv:1103.5849 ], where it was shown that the online vertex-Ramsey density determines the threshold of a similar probabilistic one-player game (Painter...
Background and purpose: Coronavirus 2019 (COVID-19) is an infectious disease with a death rate of 1-5%. The aim of this study was to determine the relationship between spiritual health and the effects of grief from the loss of loved one due to COVID-19. Materials and methods: This cross-sectional study was performed in 312 family members of the deceased COVID-19 patients in Mashhad, Iran, Apri...
A new dynamic multi-dimensional index structure called RSR-tree is proposed, in which splitting operations of leaf nodes and non-leaf nodes are performed separatively. RSR-tree retains the sequence ordering of index records in a leaf node of RS-tree and thus reduces the addressing time cost of disk access while reading data files. In addition, it integrates the characteristic of reducing the ov...
An innovative software technology known as Bitcoin makes it easier for software to operate with some degree of financial autonomy. In a meaningful sense, it is now possible for software to conduct business on its own account, without using the traditional financial system as an intermediary and without a financial existence tied to an existing natural or legal person. This Essay explores this p...
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