Multimodal dialogue system with multitouch inputhttp://www.library.tuc.gr/artemis/DT2009-0231/DT2009-0231.pdfhttp://purl.tuc.gr/dl/dias/B36D25BA-0C91-42DF-A9B6-8762EFB4715BMultimodal dialogue system with multitouch inputfree2014-03-24application/pdf