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Using Weka in Go

Posted on 01 May 2015

A couple of years ago I wrote a blog post [1] about wrapping some of Weka [2]'s classification functionality to allow it to be used programmatically in Python programs. A small project I'm currently working on at home is around taking some of the later research from my PhD work to see if it can be expressed and used as a simple web-app.

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I began development in Go [3] as I hadn't yet spent much time working with the language. The research work involves using a Bayesian network classifier to help infer a tweet's interestingness [4], and while Go machine-learning toolkits do exist [5], I wanted to use my existing models that were serialized in Java by Weka.

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I started working on WekaGo [6], which is able to programmatically support simple classification tasks within a Go program. It essentially just manages the model, abstracts the generation of ARFF [7] files, and executes the necessary Java to make it quick and easy to train and classify data:

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Results from the classification can then be examined, as described [8].

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