R. Cummings, и M. Barton. Digital Culture Books, an imprint of the University of Michigan Press and the University of Michigan Library, Ann Arbor, (2008)
A. Sinha, Z. Shen, Y. Song, H. Ma, D. Eide, B. Hsu, и K. Wang. Proceedings of the 24th International Conference on World Wide Web, стр. 243--246. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2015)
C. Xiong, R. Power, и J. Callan. Proceedings of the 26th International Conference on World Wide Web, стр. 1271--1279. Republic and Canton of Geneva, Switzerland, International World Wide Web Conferences Steering Committee, (2017)