Answering Why-Questions in Closed Domains from a Discourse Model Rodolfo Delmonte author Emanuele Pianta author 2008 text Semantics in Text Processing. STEP 2008 Conference Proceedings Johan Bos editor Rodolfo Delmonte editor College Publications conference publication delmonte-pianta-2008-answering https://aclanthology.org/W08-2209/ 2008 103 114