1. C. W. Cleverdon, The Cranfield Tests on Index Languages Devices, in: K. Spärck Jones, P. Willett (Eds.), Readings in Information Retrieval, Morgan Kaufmann Publisher, Inc., San Francisco, CA, USA, 1997, pp. 47-60.
2. B. R. Rowe, D.W. Wood, A.L. Link, D.A. Simoni, Economic Impact Assessment of NIST's Text REtrieval Conference (TREC) Program, RTI Project Number 0211875, RTI International, USA. http://trec.nist.gov/pubs/2010.economic.impact.pdf, 2010.
3. C. V. Thornley, A.C. Johnson, A.F. Smeaton, H. Lee, The Scholarly Impact of TRECVid (2003-2009), Journal of the American Society for Information Science and Technology (JASIST) 62 (4) (2011) 613-627.
4. T. Tsikrika, B. Larsen, H. Müller, S. Endrullis, E. Rahm, The Scholarly Impact of CLEF (2000-2009), in: Proc. of Information Access Evaluation. Multilinguality, Multimodality, and Visualization - 4th International Conference of the CLEF Initiative, CLEF 2013, Vol. 8138 of LNCS, Springer, 2013, pp. 1-12.
5. M. Agosti, E. Di Buccio, N. Ferro, I. Masiero, S. Peruzzo, G. Silvello, DIRECTions: Design and Specication of an IR Evaluation Infrastructure, in: Information Access Evaluation. Multilinguality, Multimodality, and Visual Analytics. Proceedings of the Third International Conference of the CLEF Initiative (CLEF 2012), LNCS 7488, Springer, Germany, 2012, pp. 88-99.