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This article describes two mechanisms that can be introduced to planning-based IS in order to solve two problems that are inherent in this approach. The first is a technique to control the pace at which a story evolves, so that the story that is generated follows a specific tension arc. The second is a method that makes it possible to avoid dead-ends in a story by intervening to justify previous events. These mechanisms help to produce a more enjoyable user experience, since their use tends to result in stories with higher narrative consistency. Results from experiments with users suggest that the proposed mechanisms improve both of the aspects addressed by this article.<\/jats:p>","DOI":"10.1145\/1394021.1394036","type":"journal-article","created":{"date-parts":[[2008,11,11]],"date-time":"2008-11-11T12:59:40Z","timestamp":1226408380000},"page":"1-17","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":14,"title":["Towards consistency in interactive storytelling"],"prefix":"10.1145","volume":"6","author":[{"given":"Leandro Motta","family":"Barros","sequence":"first","affiliation":[{"name":"Universidade do Vale do Rio dos Sinos (UNISINOS) S\u00e3o Leopoldo, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Soraia Raupp","family":"Musse","sequence":"additional","affiliation":[{"name":"Pontif\u00edcia Universidade Cat\u00f3lica Do Rio Grande Do Sul Programa De P\u00f3s-Gradua\u00e7\u00e3o Em Ci\u00eancia Da Computa\u00e7\u00e3o Porto Alegre, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2008,11,6]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Narratology: Introduction to the Theory of Narrative","author":"Bal M.","year":"1997","edition":"2"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/1178477.1178482"},{"volume-title":"Proceedings of the Third Artificial Intelligence and Interactive Digital Entertainment Conference (AIIDE 07)","author":"Barros L. 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Hamlet on the Holodeck: The Future of Narrative in Cyberspace. Free Press New York.   Murray J. H. 1997. Hamlet on the Holodeck: The Future of Narrative in Cyberspace. Free Press New York."},{"key":"e_1_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/860575.860694"},{"key":"e_1_2_1_13_1","volume-title":"Artificial Intelligence: A Modern Approach","author":"Russell S.","year":"2002","edition":"2"},{"key":"e_1_2_1_14_1","unstructured":"Tobias R. B. 1993. 20 Master Plots: And How to Build Them. Writer's Digest Books Cincinnati OH.  Tobias R. B. 1993. 20 Master Plots: And How to Build Them. 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