Parvaz Mahdabi, Linda Andersson, Mostafa Keikha, Fabio Crestani. Automatic refinement of patent queries using concept importance predictors. In William R. Hersh, Jamie Callan, Yoelle Maarek, Mark Sanderson, editors, The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012. pages 505-514, ACM, 2012. [doi]