An Analytic and Empirical Evaluation of Return-on-Investment-Based Active Learning Robbie Haertel author Eric Ringger author Kevin Seppi author Paul Felt author 2015-06 text Proceedings of the 9th Linguistic Annotation Workshop Adam Meyers editor Ines Rehbein editor Heike Zinsmeister editor Association for Computational Linguistics Denver, Colorado, USA conference publication haertel-etal-2015-analytic 10.3115/v1/W15-1602 https://aclanthology.org/W15-1602/ 2015-06 11 20