منابع مشابه
Multiscale Trend Analysis
This paper introduces a multiscale analysis based on optimal piecewise linear approximations of time series. An optimality criterion is formulated and on its base a computationally effective algorithm is constructed for decomposition of a time series into a hierarchy of trends (local linear approximations) at different scales. The top of the hierarchy is the global linear approximation over the...
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All the living creatures are continuously moving, and the regulated movement is an essential nature for animals. This also holds true for the small entities inside our body, such as cells and tissues, which are moving spontaneously or mobilized passively in the living animals. Nevertheless, conventional histological analyses could only obtain “static” information, like “snapshot”, of dynamic bi...
متن کاملA Trend Analysis of Vulnerabilities
Software vulnerabilities exist and will continue to do so. Every week, a new vulnerability gains popular attention, is discussed at length in mailing lists, and hopefully gets patched by the vendor before exploits and attack tools start appearing. But there is little evidence that we are learning from our mistakes. Sharing of vulnerability information through public databases has been possible ...
متن کاملA Trend Analysis of Exploitations
We have conducted an empirical study of a number of computer security exploits and determined that the rates at which incidents involving the exploit are reported to the CERT can be modeled using a common mathematical framework. Data associated with three significant exploits involving vulnerabilities in phf, imap, and bind can all be modeled using the formula C = I + S pM where C is the cumula...
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Topic modeling of fashion trends were analyzed using the MALLET toolkit. Harper’s Bazaar magazines from 1860-1899 were used (freely available online). This resulted in 20 topics with 4 characterizing words each. Trends over time were analyzed in several different ways using 100-topics and 20-topics.
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ژورنال
عنوان ژورنال: Stochastic Environmental Research and Risk Assessment
سال: 2020
ISSN: 1436-3240,1436-3259
DOI: 10.1007/s00477-020-01797-x