Alonso, Omar, Rose, Daniel E. and Stewart, Benjamin. "Crowdsourcing for relevance evaluation." SIGIR Forum 42 , no. 2 (2008): 9--15.

Järvelin, Kalervo and Kekäläinen, Jaana. "Cumulated gain-based evaluation of IR techniques." ACM Transactions on Information Systems 20 , no. 4 (2002): 422--446.

Järvelin, Kalervo and Kekäläinen, Jaana. "IR evaluation methods for retrieving highly relevant documents." Paper presented at the meeting of the SIGIR '00: Proceedings of the 23rd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, New York, NY, USA, 2000.

Salton, G. and Buckley, C.. "On the use of spreading activation methods in automatic information." Paper presented at the meeting of the SIGIR '88: Proceedings of the 11th annual international ACM SIGIR conference on Research and development in information retrieval, New York, NY, USA, 1988.