Science

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Automatic and Semi-Automatic Document Selection for Technology-Assisted Review

In the TREC Total Recall Track (2015-2016), participating teams could employ either fully automatic or human-assisted (“semi-automatic”) methods to select documents for relevance assessment by a simulated human reviewer. According to the TREC 2016 evaluation, the fully automatic baseline method achieved a recall-precision breakeven (“R-precision”) score of 0.71, while the two semi-automatic efforts achieved scores of 0.67 and 0.51. In this work, we investigate the extent to which the observed effectiveness of the different methods may be confounded by chance, by inconsistent adherence to the Track guidelines, by selection bias in the evaluation method, or by discordant relevance assessments.