Claus-Peter Klas Sascha Kriewel Norbert Fuhr An Experimental Framework for Interactive Information Retrieval and Digital Libraries Evaluation. 147-156 2007 conf/delos/2007 DELOS Conference http://dx.doi.org/10.1007/978-3-540-77088-6_14 db/conf/delos/delos2007.html#KlasKF07