@incollection{Ichimura10,
author = {Takumi Ichimura and Kazuya Mera and Akira Hara},
title = {A Knowledge Acquisition Method of Judgment Rules for Spam E-mail by using Self Organizing Map and Automatically Defined Groups by Genetic Programming},
booktitle = {Self-Organizing Maps},
publisher = {IntechOpen},
address = {Rijeka},
year = {2010},
editor = {George K Matsopoulos},
chapter = {24},
doi = {10.5772/9177},
url = {https://doi.org/10.5772/9177}
}