@inproceedings{'BosCurranGuzzetti2007TREC',
   title     = {'The Pronto QA system at TREC-2007: harvesting hyponyms, using nominalisation patterns, and computing answer cardinality'},
   author    = {Bos, Johan and Curran, James R. and 'Guzzetti', 'Edoardo'},
   booktitle = {'The Sixteenth Text RETrieval Conference, TREC 2007'},
   editor    = {Voorhees, E. M. and 'Buckland', 'L. P.'},
   address   = {'Gaitersburg, MD'},
   pages     = {726--732},
   year      = {2007}
}