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Data structures for massive datasets → Read more...
The algorithms that we use every day to manipulate data assume that we have access to all the data we need. What if there’s more data that can fit in a single computer or if accessing the data itself to do searches is expensive? If so, we can use specialized data structures that can help us “estimate” the actual value without actually computing it, in some cases an estimate might be good enough. These data structures are: count-min sketch, bloom filters, and reservoir-sampling.