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STRYKA, L. CHMELAŘ, P.
Original Title
Simplified Progressive Data Mining
Type
conference paper
Language
English
Original Abstract
There are huge amounts of data stored in databases, but it is very difficult to make decisions based on this data. We propose the OLAM SE system (Self Explaining On-Line Analytical Mining) that is similar to the Han's OLAM [5] in the idea of interactive data mining. The contribution is to simplify on-line analytical data mining to professionals, who understand their data but want more significant, interesting and useful information. It is done by shielding internal concepts (associations, classifications, characterizations) and thresholds (supports, confidences) from the user and by a simple graphical interface that suggests most relevant items. OLAM SE determines minimum support value from required cover of data with usage of entropy coding principle. This is automatically applied on the structure based on given conceptual hierarchy where present. We also determine the maximum threshold to avoid explaining knowledge that is obvious. Major part of data is thus described by frequent patterns. The presentation of results is realized using diagram notation similar to UML. In fact, it is a visual graph which nodes are frequent data sets presented as packages including sub packages - data concepts or items. Edges represent links or patterns between them. These patterns can be progressively explored by the user, who gets a detailed view of patterns which are attractive to him. Other possibly interesting sets are offered to the user without any other action. This is well suitable for characterization and descriptive classification equivalent to normal Bayes.
Keywords
On-line data mining, concept hierarchy, frequent patterns, cover, obviosity
Authors
STRYKA, L.; CHMELAŘ, P.
RIV year
2007
Released
4. 9. 2007
Publisher
Wroclaw University of Technology
Location
Wroclaw
ISBN
978-83-7493-340-7
Book
Proceedings of the 16th International Conference on Systems Science
Pages from
378
Pages to
387
Pages count
10
BibTex
@inproceedings{BUT25331, author="Lukáš {Stryka} and Petr {Chmelař}", title="Simplified Progressive Data Mining", booktitle="Proceedings of the 16th International Conference on Systems Science", year="2007", pages="378--387", publisher="Wroclaw University of Technology", address="Wroclaw", isbn="978-83-7493-340-7" }