Retrieval Strategies for Tutorial Stories

From: AAAI Technical Report WS 93 01. Compilation copyright © 1993, AAAI (www.aaai.org). All rights reserved. Retrieval strategies for tutorial stories*Robin BurkeInstitute for the Learning Sciences1890 Maple Ave., Evanston IL 60626, USAburke@ils.nwu.edusuggestions, to name just a few possibilities. This paperAbstractdescribes in detail three of the retrieval strategies that areRetrieving stories to present to students is a used to produce SPIEL s storytelling behavior. Eachchallenging application of case retrieval. This paper involves a comparison between a story and the situation indescribes SPIEL, a system that retrieves tutorial which it might be told, a comparison that differs accordingstories, stored on video, for educational purposes. to the needs of the educational context. SPIEL s retrievalAlthough CBR methods are employed in SPIEL, its strategies select different subsets of features from a story stask requires a different emphasis than typically found index and use a variety of measurements of fitnessin problem solving CBR systems. One of the most including similarity, dissimilarity and other kinds ofsignificant of these is the centrality of multi purpose relations.retrieval in educational storytelling. SPIEL has a setof storytelling strategies, corresponding to differentWhat SPIEL doeseducational roles that stories can play, such asproviding counter examples or projecting possible SPIEL is designed to assist students who are learningresults ...