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All is well and good if we content ourselves with computations that can be distributed efficiently such as summing hourly revenue to produce daily revenue, or calculating click-through rates. In the language of Gray et al., the former calculation is distributive: we can sum the raw event prices to produce hourly revenue over each combination of dimensions and in turn sum this intermediary for furt
Streaming Data Mining Tutorial slides (and more)
Jelani Nelson.and Edo Liberty just released an important tutorial they gave at KDD 12 on the state of the art and practical algorithms used in mining streaming data, it is entitled: Streaming Data Mining I personally marvel at the development of these deep algorithms which, because of the large data streams constraints, get to redefine what it means to do seemingly simple functions such as count
Sam Trenholme's webpage
This article is part of my AES series AES' Galois field Rijndael (a.k.a AES) uses what is known as a galois field to perform a good deal of its mathematics. This is a special mathematical construct where addition, subtraction, multiplication, and division are redefined, and where there are a limited number of integers in the field. In more detail, Rijndael's galois field only allows an 8 bit numbe
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