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