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Abstract: We consider the problem of finding statistically unusual subgroups in a multi-relation database, and extend previous work on single-relation subgroup discovery. We give a precise definition of the multi-relation subgroup discovery task, propose a specific form of declarative bias based on foreign links as a means of specifying the hypothesis space, and show how propositional evaluation functions can be adapted to the multi-relation setting. We then describe an algorithm for this problem setting ... (Update)
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BibTeX entry: (Update)
Wrobel, S. An algorithm for multi-relational discovery of subgroups. In Komorowski, J. and Zytkow, J. (Eds.), Proceedings of the First European Symposium on Principles of Data Mining and Knowledge Discovery, Springer, 1997. http://citeseer.ist.psu.edu/wrobel97algorithm.html More
@inproceedings{ stefan97algorithm,
author = "Wrobel, Stefan",
title = "An algorithm for multi-relational discovery of subgroups",
booktitle = "Proc. First European Symposion on Principles of Data Mining and
Knowledge Discovery ({PKDD}-97)",
publisher = "Springer Verlag",
address = "Berlin",
editor = "Komorowski, Jan and Zytkow, Jan",
pages = "78--87",
year = "1997",
url = "citeseer.ist.psu.edu/wrobel97algorithm.html" }
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