Media type: E-Article Title: Ripple Down Rules for question answering Contributor: Nguyen, Dat Quoc; Nguyen, Dai Quoc; Pham, Son Bao Published: IOS Press, 2017 Published in: Semantic Web, 8 (2017) 4, Seite 511-532 Language: Not determined DOI: 10.3233/sw-150204 ISSN: 1570-0844; 2210-4968 Origination: Footnote: Access State: Open Access