Intra-assessor consistency in question answering.

Ian Ruthven Leif Azzopardi Mark Baillie Ralf Bierig Emma Nicol Simon O. Sweeney Murat Yakici Intra-assessor consistency in question answering. 727-728 2007 conf/sigir/2007 SIGIR http://doi.acm.org/10.1145/1277741.1277879 db/conf/sigir/sigir2007.html#RuthvenABBNSY07