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Core Methods in Educational Data Mining. HUDK4050 Fall 2015. Assignment C4. What are some interesting rules that people found?. Assignment C4. How did people find their rules?. Last thoughts or comments on sequential pattern mining. Text Mining. Thoughts about video lecture?.
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Core Methods in Educational Data Mining HUDK4050Fall 2015
Assignment C4 • What are some interesting rules that people found?
Assignment C4 • How did people find their rules?
What are the advantages and disadvantages • Of looking for counts of words • Also called “bag of words”/LSA • Of looking for bigrams • Of looking for trigrams • Of looking for grammatical structures
Semantic Tagging • What is it?
WMatrix categories • http://ucrel.lancs.ac.uk/people/paul/publications/phd2003.pdf • At the end
What are the advantages and disadvantages • Of semantic tagging versus looking for specific words
What measures (of student responses) did Graesser et al. paper use?
What measures (of student responses) did Graesser et al. paper use? • Learner Verbosity • LSA-based comparison to “good” and “bad” answers • Change in degree of goodness of answer
Questions/Comments • About Graesser et al. paper?
What was goal/approach of • Adamson et al. paper
Questions/comments • About Adamson paper?
What was goal/approach of • Crossley et al. paper
Questions/comments • About Crossley paper?
Assignment C5 • Visualization • Questions? • Email me your visualizations
Assignment C6 • Final project • Please read assignment, I keep getting questions that indicate people have not read assignment • Questions?
Next Class • Monday, December 10: Visualization • Readings • Baker, R.S. (2014) Big Data and Education. Ch. 6, V1, V2, V3, V4, V5. • Kay, J., Maisonneuve, N., Yacef, K., Reimann, P. (2006) The big five and visualisations of team work activity. Intelligent Tutoring Systems: Proceedings 8th International Conference, ITS 2006, 197-206. • Ritter, S., Harris, T., Nixon, T., Dickinson, D., Murray, R.C., Towle, B. (2009) Reducing the Knowledge Tracing Space. Proceedings of the 2nd International Conference on Educational Data Mining, 151-160. • Martinez, R., Kay, J., Yacef, K. (2011) Visualisations for longitudinal participation, contribution and progress of a collaborative task at the tabletop. International Conference on Computer Supported Collaborative Learning, CSCL 2011, 25-32.
Some final project presentations next class • Check where you are on the sign-up sheet on the forum!