Karen O'Shea Zuhair Bandar Keeley A. Crockett Towards a New Generation of Conversational Agents Based on Sentence Similarity. 505-514 2008 World Congress on Engineering (Selected Papers) http://dx.doi.org/10.1007/978-90-481-2311-7_43 conf/wce/2008lnee db/conf/wce/lnee39.html#OSheaBC08