starlink-tjoin-java

Join subclasses for Starjava table class

Description

Classes for performing table joins by matching rows to each other. The matching is done in an entirely configurable and pluggable way by defining a MatchEngine which defines what counts as a match between two tuples (rows) and can be used to work out what counts as a near miss too. Matching is (except in pathological cases) an O(N ln N) process, where N is the total number of rows in all the tables participating in a match.

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Homepage

https://github.com/Starlink/starjava/tree/master/tjoin


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