Robert Villa, Martin Halvey. Is relevance hard work?: evaluating the effort of making relevant assessments. In Gareth J. F. Jones, Paraic Sheridan, Diane Kelly, Maarten de Rijke, Tetsuya Sakai, editors, The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013. pages 765-768, ACM, 2013.
Abstract is missing.