Introduction to Information Visualization
Introduction to Information Visualization
Seeing the forest for the trees
Bioinformatics
Using ontologies to facilitate post-processing of association rules by domain experts
Information Sciences: an International Journal
Advanced processing for ontological queries
Proceedings of the VLDB Endowment
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A novel method for visualization of a fuzzy or crisp topic set is developed. The method maps the set's topics to higher ranks of the taxonomy tree of the field. The method involves a penalty function summing penalties for the chosen "head subjects" together with penalties for emerging "gaps" and "offshoots". The method finds a mapping minimizing the penalty function in recursive steps involving two different scenarios, that of 'gaining a head subject' and that of 'not gaining a head subject'. We illustrate the method by applying it to illustrative and real-world data.