منابع مشابه
Supra-Convergent Schemes on Irregular Grids
As Tikhonov and Samarskiï showed for k = 2, it is not essential that Ath-order compact difference schemes be centered at the arithmetic mean of the stencil's points to yield second-order convergence (although it does suffice). For stable schemes and even k, the main point is seen when the k th difference quotient is set equal to the value of the k th derivative at the middle point of the stenci...
متن کاملMobile Information Presentation Schemes for Supra-adaptive Logistics Applications
In supra-adaptive logistics systems, operative workers must be able to quickly and precisely retrieve objects from large storage areas with minimal training. We explore concepts toward providing workers with location-based wayfinding and picking information on mobile and spatial displays, varying both visualization schemes (1D: textual descriptions, 2D: map-based overviews and 3D: AR-based arro...
متن کاملA Review of Packet Marking IP Traceback Schemes
Today, Internet has become the primary source of communication in networks. The attack on its infrastructure poses a great challenge in its expansion. Distributed Denial of Service attack is a serious security threat encountered during the past decade. The goal of the attacker is to spoof the source of IP address to hide its source. Various IP traceback schemes such as Probabilistic Packet Mark...
متن کاملAdvanced and Authenticated Marking Schemes for IP Traceback
Defending against distributed denial-of-service attacks is one of the hardest security problems on the Internet today. One difficulty to thwart these attacks is to trace the source of the attacks because they often use incorrect, or spoofed IP source addresses to disguise the true origin. In this paper, we present two new schemes, the Advanced Marking Scheme and the Authenticated Marking Scheme...
متن کاملOrigin Tracking in Primitive Recursive Schemes
Algebraic speciications of programming languages can be used to generate language-speciic programming support tools. Some of these can be obtained in a straightforward way by executing language speciications as term rewriting systems. More advanced tools can be obtained if the term rewriting machinery is extended with origin tracking. Origin tracking is a technique which automatically establish...
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ژورنال
عنوان ژورنال: Place Branding and Public Diplomacy
سال: 2007
ISSN: 1751-8040,1751-8059
DOI: 10.1057/palgrave.pb.6000068