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Re:Pilosa: An open source, distributed index by kazinator on Friday May 31, 2019 @09:03PM (#20066434)
It's quite clear to hopefully everyone that a matrix of bits can represent a DAG. That's called an adjacency matrix.

What's not obvious is what we're associating with what in the NYC taxi ride data set.

A bitmap can also represent a set: the bit positions denote enumerated element symbols, and the value indicates whether that element is present.

So we rearrange the NYC taxi ride data into a data structure based on graphs and sets, and make large bitmaps?

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