ClassMate A System for Automated Event Extraction from Course Websites Ashutosh Kulkarni & Harry Robertson.

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Presentation transcript:

ClassMate A System for Automated Event Extraction from Course Websites Ashutosh Kulkarni & Harry Robertson

ClassMate Pipeline Web crawler

ClassMate Pipeline Web crawler NER to tag text: ANNIE system Specialized tags

ClassMate Pipeline Web crawler NER to tag text: ANNIE system Specialized tags Event extraction: Centered on date tags Variable size window

ClassMate Pipeline Web crawler NER to tag text: ANNIE system Specialized tags Event extraction: Centered on date tags Variable size window Features: Words, tags, etc. Key uni/bigrams Heuristics

ClassMate Pipeline Web crawler NER to tag text: ANNIE system Specialized tags Event extraction: Centered on date tags Variable size window Features: Words, tags, etc. Key uni/bigrams Heuristics Classification: Kmeans clustering Derandomized start

ClassMate Pipeline Web crawler NER to tag text: ANNIE system Specialized tags Event extraction: Centered on date tags Variable size window Features: Words, tags, etc. Key uni/bigrams Heuristics Classification: Kmeans clustering Derandomized start Category labelling

Results EventPrecisionRecallF1 score Office Hours70%93.33%0.79 Exam dates80%93.02%0.86 Due dates88%92.63%0.90 Overall79.33%92.99%0.85

Feature study

The Future of Time Management