Document Type

Conference Paper

Rights

Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

Computer Sciences

Publication Details

Presented at the 24th Irish conference on Artificial Intelligence and Cognitive Science 2016, Dublin, Ireland.

Abstract

Acquiring labels for large datasets can be a costly and time-consuming process. This has motivated the development of the semi-supervised learning problem domain, which makes use of unlabelled data — in conjunction with a small amount of labelled data — to infer the correct labels of a partially labelled dataset. Active Learning is one of the most successful approaches to semi-supervised learning, and has been shown to reduce the cost and time taken to produce a fully labelled dataset. In this paper we present Activist; a free, online, state-of-the-art platform which leverages active learning techniques to improve the efficiency of dataset labelling. Using a simulated crowd-sourced label gathering scenario on a number of datasets, we show that the Activist software can speed up, and ultimately reduce the cost of label acquisition.

DOI

https://doi.org/10.21427/D7QK8M

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