منابع مشابه
Fight fire with fire
Since our hunter–gatherer ancestors began to develop agriculture more than 10,000 years ago, farmers have been battling with Nature to protect their cultivated plants against pests and diseases. Organisms from all kingdoms of life—from mammals and insects to bacteria, fungi and viruses—are attracted by the easy pickings that large fields of plants represent, and farmers have sought to contain t...
متن کاملOrienting edges to fight fire in graphs
We investigate a new oriented variant of the Firefighter Problem. In the traditional Firefighter Problem, a fire breaks out at a given vertex of a graph, and at each time interval spreads to neighbouring vertices that have not been protected, while a constant number of vertices are protected at each time interval. In the version of the problem considered here, the firefighters are able to orien...
متن کاملOptimizing counter-terror operations: Should one fight fire with "fire" or "water"?
This paper deals dynamically with the question of how recruitment to terror organizations is influenced by counter-terror operations. This is done within a optimal control model, where the key state is the (relative) number of terrorists and the key controls are two types of counter-terror tactics, one (“water”) that does not one (“fire”) that does provoke recruitment of new terrorists. The mod...
متن کاملDoS: Fighting Fire with Fire
We consider DoS attacks on servers in which attackers’ requests are indistinguishable from legitimate requests. Most current defenses against this class of attack rely on legitimate users in aggregate having more of some resource (CPU cycles, memory cycles, human attention, etc.) than attackers. A server so defended asks prospective clients to prove their legitimacy by spending some of this res...
متن کاملEradication of poliovirus: fighting fire with fire.
Endemic wild polioviruses have been eliminated from most of the world, and the number of human paralytic cases has been reduced by .99%, from an estimated annual incidence of .500,000 cases to ,2000 cases [1–3]. Circulating wild polioviruses remain endemic in only 2 major locations, Nigeria and a zone extending from northern India west to Pakistan and Afghanistan [1–3]. Furthermore, wild-type 2...
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ژورنال
عنوان ژورنال: EMBO reports
سال: 2009
ISSN: 1469-221X,1469-3178
DOI: 10.1038/embor.2009.77