Educational exploration along the shortest paths in conceptual networks based on co-occurrence, language ability levels and frequency ranking
Lauri Lahti, Aalto University School of Science, Finland, Finland
E-Learn: World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education, in Kona, Hawaii, United States Publisher: Association for the Advancement of Computing in Education (AACE), San Diego, CA
We propose a new computational method to support learning that relies on adaptive exploration of the shortest paths in conceptual networks that have been formed based on co-occurrences of concepts in suitable text samples and selecting concepts corresponding to desired language ability levels and frequency ranking. Relying on Google Web 1T 5-gram database we have built a conceptual co-occurrence network reaching the coverage of 3018 unique concepts and 54 610 unique pairs of co-occurring concepts thus approximately matching with a vocabulary size suggested to be enough for sufficient comprehension and with the highest language ability levels of English Vocabulary Profile. Our method offers to the learner recommendations about suitable exploration paths along the shortest connecting paths between the concepts belonging to a desired learning topic vocabulary, computed with Yen's algorithm. By indicating for each concept the language ability level and the frequency ranking position in British National Corpus enables to prioritize such shortest paths of concepts that most best match the current suitabe comprehension level of the learner. Our preliminary experiment showed that the method can pedagogically intuitively support cumulative adoption of knowledge in the context of study entities belonging to a core curriculum.
Lahti, L. (2015). Educational exploration along the shortest paths in conceptual networks based on co-occurrence, language ability levels and frequency ranking. In Proceedings of E-Learn: World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 31-36). Kona, Hawaii, United States: Association for the Advancement of Computing in Education (AACE). Retrieved January 21, 2019 from https://www.learntechlib.org/primary/p/151985/.
© 2015 Association for the Advancement of Computing in Education (AACE)
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