P. Huntington, D. Nicholas, и H. Jamali. Information Processing & Management44 (1):
358 - 372(2008)Evaluation of Interactive Information Retrieval Systems.
M. Carman, M. Baillie, R. Gwadera, и F. Crestani. Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval, стр. 123--130. New York, NY, USA, ACM, (2009)