Frequent association rules (e.g., AB C to say that when properties A and B are true in a record then, C tends to be also true) have become a popular way to summarize huge datasets...
Abstract. Rough sets have traditionally been applied to decision (classification) problems. We suggest that rough sets are even better suited for reasoning. It has already been sho...
We discuss the theory and practical issues behind creating reflection models to show the difficulty of the problem. We survey the current approaches towards reflection models for ...
Peter Shirley, Brian E. Smits, Helen H. Hu, Eric P...
The quality of ontologies (QoO) is increasingly becoming a research issue on the Semantic Web. Ontology users may have difficulties locating the proper concepts in large ontologie...
I develop technological tools to help communities of children creatively solve problems as they program computers. The Hook-ups project introduces computational tools that support...