Intelligent assistant systems : concepts, techniques and technologies / editor, Roland H. Kaschek - Hershey, PA : Idea Group, 2007 - xxiv, 326 p. : ill. ; 26 cm. ISBN: 9781591408789 1591408784 9781591408796 (pbk.) 1591408792 (pbk.) Subjects--Topical Terms: Expert systems (Computer science) LC Class. No.: QA76.76.E95 / .I574 2007