Recognizing textual entailment : models and applications / Ido Dagan (Bar-Ilan University, Israel), Dan Roth (University of Illinois, Urbana, IL), Mark Sammons (University of Illinois, Urbana, IL), Fabio Massimo Zanzotto (University of Rome "Tor Vergata", Italy). [San Rafael, Calif.] : Morgan & Claypool Publishers, 2013