P. Huntington, D. Nicholas, and H. Jamali. Information Processing & Management, 44 (1):
358 - 372(2008)Evaluation of Interactive Information Retrieval Systems.
L. Salucci, D. Bonetta, S. Marr, and W. Binder. Proceedings of the 21st ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, page 40:1--40:2. ACM, (March 2016)