Plan Recognition for ELEs Using Interleaved Temporal Search

Oriel Uzan, Reuth Dekel, Yakov Gal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Exploratory Learning Environments (ELE) provide a rich educational environment for students, but challenge teachers to keep track of students’ progress and to assess their performance. This paper proposes an algorithm that decomposes students complete interaction histories to create hierarchies of interdependent tasks that describe their activities in ELEs. It matches students’ actions to a predefined grammar in a way that reflects students’ typical use of ELEs, namely that students solve problems in a modular fashion but may still interleave between their activities. The algorithm was empirically evaluated on peoples interaction with two separate ELEs for simulating a chemistry laboratory and for statistics education. It was separately compared to the state-of-the-art recognition algorithm for each of the ELEs. The results show that the algorithm was able to correctly infer students’ activities significantly more often than the state-of-the-art, and was able to generalize to both of the ELEs with no intervention. These results demonstrate the benefit of using AI techniques towards augmenting existing ELEs with tools for analyzing and assessing students’ performance.
Original languageEnglish
Title of host publicationInternational Conference on Artificial Intelligence in Education 2013
PublisherSpringer Berlin Heidelberg
Pages603-606
Number of pages4
ISBN (Electronic)978-3-642-39112-5
ISBN (Print)978-3-642-39111-8
DOIs
Publication statusPublished - 2013
EventInternational Conference on Artificial Intelligence in Education - Memphis, United States
Duration: 9 Jul 201313 Jul 2013
https://sites.google.com/a/iis.memphis.edu/aied-2013-conference/

Conference

ConferenceInternational Conference on Artificial Intelligence in Education
Abbreviated titleAIED 2013
CountryUnited States
CityMemphis
Period9/07/1313/07/13
Internet address

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