Reference:

Mats Sjöberg and Jorma Laaksonen. Content-based retrieval of web pages and other hierarchical objects with Self-Organizing Maps. In Proceedings of 15th International Conference on Artificial Neural Networks (ICANN 2005), pages 841–846, Warsaw, Poland, September 2005. Available online at http://dx.doi.org/10.1007/11550907_133.

Suggested BibTeX entry:

@inproceedings{ICANN2005,
    address = {Warsaw, Poland},
    author = {Mats Sj{\"o}berg and Jorma Laaksonen},
    booktitle = {Proceedings of 15th International Conference on Artificial Neural Networks (ICANN 2005)},
    month = {September},
    note = {Available online at \url{http://dx.doi.org/10.1007/11550907\_133}.},
    pages = {841-846},
    title = {Content-Based Retrieval of Web Pages and Other Hierarchical Objects with {S}elf-{O}rganizing {M}aps},
    year = {2005},
}