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Friday, July 26, 2013

David Kempe, Jon M. Kleinberg, Eva Tardos: Maximiz

David Kempe, Jon M. Kleinberg, Eva Tardos: Maximizing the spread of act done a favorable ne twork 1. Summary of 3-5 briny points of the paper This article deals with the processes by which ideas and influence propagate through a social network * introduce two ways of exploring influence analog verge pretence: separately customer has a Threshold that represents the weighted fraction of its neighbors that mustiness run short active voice in order for it to flex active. Cascade Model : When client first becomes active, it is pull student lodging a one and scarce one chance to start out each currently unruffled neighbor with some opportunity * Approximation guarantees of them By demonstrating the submodularity, authors fail an approximation of those techniques, beyond other(a) results * develop a frequent model of diffusion processes stimulus generalisation of both presented models. The Triggering Model is a generalization of them * Application to more than realistic scenarios Application to non-progressive record and marketing issue 2.
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Analysis of the strengths and weaknesses of the methodological analysis Strengths: * Their models tries to be as concrete as thinkable instead of being entirely theoretical * turnabout to the high-degree and centrality heuristics models, linear room access model incorporates the fact that many of the about central (or highest-degree) nodes whitethorn be clustered, so that targeting only of them is unnecessary. * incessantly show an approximation of the model presented Weaknesses: * The models presented often recognize with NP-hard problems which tummyt be solved easely * Consider that for either single(a) how many timesteps one held the want opinion until the target time. Furthermore, their portal required maintaining a graph whose size is proportional to the original graph size times the target time. 3. Possible improvements (if the methodological analysis is poor, how can you make it pause?) This method is based on the fact that people be influenced as...If you want to get a full essay, order it on our website: Orderessay

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