Data Mining Information Retrieval Web Search. Logistics. Instructor: Byron Gao http://cs.txstate.edu/~jg66/ Contact, office hours etc … Course page Database prerequisite? Textbook Jiawei Han and Micheline Kamber Workload Grading: curve History Weighting Late policy, academic honesty
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Statistical Summary, Querying, and Reporting
Data Preprocessing/Integration, Data Warehouses
Paper, Files, Web documents, Scientific experiments, Database Systems
login-name < department < university < country
e.g., (association) rule length, (decision) tree size
e.g., confidence, P(A|B) = #(A and B)/ #(B), classification reliability or accuracy, certainty factor, rule strength, rule quality, discriminating weight, etc.
potential usefulness, e.g., support (association), noise threshold (description)
not previously known, surprising (used to remove redundant rules, e.g., Illinois vs. Champaign rule implication support ratio)