WEBSOM Publications

Selected publications

Most recent: Mining massive document collections by the WEBSOM method. Information Sciences, Vol 163/1-3, pp. 135-156, 2004.

State of the art regarding the method: Self Organization of a Massive Document Collection (appeared in IEEE Transactions on Neural Networks) in 2000

• WEBSOM--self-organizing maps of document collections (appeared in Neurocomputing).
• Emphasis on applicability in textual data mining: WEBSOM for textual data mining (appeared in AIRE) .

Doctoral theses related to WEBSOM

• Krista Lagus, 2000: Text mining with the WEBSOM
• Timo Honkela, 1997: Self-Organizing Maps in Natural Language Processing
• Samuel Kaski, 1997: Data exploration using self-organizing maps

Complete list of publications

References to WEBSOM articles in BibTex format.

2004

Krista Lagus, Samuel Kaski, and Teuvo Kohonen (2004)

Mining massive document collections by the WEBSOM method Information Sciences, Vol 163/1-3, pp. 135-156, 2004. [ PDF ] [ PS ]

2002

Lagus, K. (2002).

Text retrieval using self-organized document maps. Neural Processing Letters. volume 15, number 1, pages 21-29. February 2002. [ Obtain article from Kluwer Online]

2000

Lagus, K. (2000)

Text Mining with the WEBSOM. Acta Polytechnica Scandinavica, Mathematics and Computing Series no. 110, Espoo 2000, 54 pp. D.Sc.(Tech) Thesis, Helsinki University of Technology, Finland. URL http://www.cis.hut.fi/krista/thesis/

Lagus, K. (2000).

Text retrieval using self-organized document maps. Technical Report A61, Helsinki University of Technology, Laboratory of Computer and Information Science. ISBN 951-22-5145-0. Abstract, Postscript, Gzipped postscript.

T. Kohonen, S. Kaski, K. Lagus, J. Salojärvi, J. Honkela, V. Paatero, and A. Saarela. (2000)

Self Organization of a Massive Document Collection. IEEE Transactions on Neural Networks, Special Issue on Neural Networks for Data Mining and Knowledge Discovery, volume 11, number 3, pages 574-585. May 2000. Abstract, manuscript.ps, manuscript.ps.gz.

1999

Kaski, S. (1999).

Fast winner search for SOM-based monitoring and retrieval of high-dimensional data. Proceedings of ICANN99, Ninth International Conference on Artificial Neural Networks volume 2, pages 940-945, IEE, London. Abstract, Postscript, Gzipped postscript.

Kohonen, T., Kaski, S., Lagus, K., Salojärvi, J., Honkela, J., Paatero, V., and Saarela, A. (1999)

Self organization of a massive text document collection In Oja, E. and Kaski, S., editors, Kohonen Maps pages 171-182, Elsevier, Amsterdam. Abstract.

Lagus, K. and Kaski, S. (1999).

Keyword selection method for characterizing text document maps. Proceedings of ICANN99, Ninth International Conference on Artificial Neural Networks volume 1, pages 371-376, IEE, London. Abstract, Postscript (580 K), Gzipped postscript (123 K),

Lagus, K., Honkela, T., Kaski, S., and Kohonen, T. (1999).

WEBSOM for textual data mining. Artificial Intelligence Review, volume 13, issue 5/6, pages 345-364, December 1999, Kluwer Academic Publishers. Abstract.

1998

Honkela, T., Kaski, S., Kohonen, T., and Lagus, K. (1998a).

Self-organizing maps of very large document collections: Justification for the WEBSOM method. In Balderjahn, I., Mathar, R., and Schader, M., editors, Classification, Data Analysis, and Data Highways, pages 245-252. Springer, Berlin.

Honkela, T., Lagus, K., and Kaski, S. (1998b).

Self-organizing maps of large document collections. In Deboeck, G. and Kohonen, T., editors, Visual Explorations in Finance with Self-Organizing Maps, pages 168-178. Springer, London.

Kaski, S. (1998).

Dimensionality reduction by random mapping: Fast similarity computation for clustering. In Proceedings of IJCNN'98, International Joint Conference on Neural Networks, volume 1, pages 413-418. IEEE Service Center, Piscataway, NJ. Abstract, Postscript (1448 K), gzipped postscript (168 K)

Kaski, S., Honkela, T., Lagus, K., and Kohonen, T. (1998a).

WEBSOM--self-organizing maps of document collections. Neurocomputing, volume 21, pages 101-117. Abstract.

Kaski, S., Lagus, K., Honkela, T., and Kohonen, T. (1998b).

Statistical aspects of the WEBSOM system in organizing document collections. Computing Science and Statistics, 29:281-290. (Scott, D. W., ed.), Interface Foundation of North America, Inc.: Fairfax Station, VA. Abstract. Postscript (8824 K), gzipped postscript (584 K)

Kohonen, T. (1998).

Self-organization of very large document collections: State of the art. In Niklasson, L., Bodén, M., and Ziemke, T., editors, Proceedings of ICANN98, the 8th International Conference on Artificial Neural Networks, volume 1, pages 65-74. Springer, London. Postscript (4406 K), gzipped postscript (300 K)

Lagus, K. (1998).

Generalizability of the WEBSOM method to document collections of various types. In Proc. of 6th European Congress on Intelligent Techniques & Soft Computing (EUFIT'98), volume 1, pages 210-214, Verlag Mainz, Aachen, Germany.Abstract, Postscript (2454 K), gzipped postscript (189 K)

1997

Honkela, T. (1997).

Self-Organizing Maps in Natural Language Processing. PhD thesis, Helsinki University of Technology, Espoo, Finland. URL http://www.cis.hut.fi/~tho/thesis/.

Honkela, T., Kaski, S., Lagus, K., and Kohonen, T. (1997).

WEBSOM--self-organizing maps of document collections. In Proceedings of WSOM'97, Workshop on Self-Organizing Maps, Espoo, Finland, June 4-6, pages 310-315. Helsinki University of Technology, Neural Networks Research Centre, Espoo, Finland. Postscript (4871 K), gzipped postscript (295 K)

Kaski, S. (1997a).

Computationally efficient approximation of a probabilistic model for document representation in the WEBSOM full-text analysis method. Neural Processing Letters, 5:139-151.

Kaski, S. (1997b).

Data exploration using self-organizing maps. Acta Polytechnica Scandinavica, Mathematics, Computing and Management in Engineering Series No. 82. DTech Thesis, Helsinki University of Technology, Finland. URL http://www.cis.hut.fi/~sami/thesis/.

Kohonen, T. (1997).

Exploration of very large databases by self-organizing maps. In Proceedings of ICNN'97, International Conference on Neural Networks, pages PL1-PL6. IEEE Service Center, Piscataway, NJ. Postscript (1497 K), gzipped postscript (214 K)

Lagus, K. (1997).

Map of WSOM'97 abstracts--alternative index. In Proceedings of WSOM'97, Workshop on Self-Organizing Maps, Espoo, Finland, June 4-6, pages 368-372. Helsinki University of Technology, Neural Networks Research Centre, Espoo, Finland. Postscript (678 K), gzipped postscript (166 K)

1996

Honkela, T., Kaski, S., Lagus, K., and Kohonen, T. (1996a).

Exploration of full-text databases with self-organizing maps. In Proceedings of the ICNN96, International Conference on Neural Networks, volume I, pages 56-61. IEEE Service Center, Piscataway, NJ. Postscript (2116 K), gzipped postscript (156 K)

Honkela, T., Kaski, S., Lagus, K., and Kohonen, T. (1996b).

Newsgroup exploration with WEBSOM method and browsing interface. Technical Report A32, Helsinki University of Technology, Laboratory of Computer and Information Science, Espoo, Finland. Postscript (2925 K), gzipped postscript (208 K)

Honkela, T., Kaski, S., Lagus, K., and Kohonen, T. (1996c).

Self-organizing maps of document collections. ALMA, 1(2). Electronic Journal. URL http://www.diemme.it/luigi/alma.html.

Kaski, S., Honkela, T., Lagus, K., and Kohonen, T. (1996).

Creating an order in digital libraries with self-organizing maps. In Proceedings of WCNN'96, World Congress on Neural Networks, September 15-18, San Diego, California, pages 814-817. Lawrence Erlbaum and INNS Press, Mahwah, NJ. Postscript (3164 K), gzipped postscript (144 K)

Kohonen, T., Kaski, S., Lagus, K., and Honkela, T. (1996).

Very large two-level SOM for the browsing of newsgroups. In von der Malsburg, C., von Seelen, W., Vorbrüggen, J. C., and Sendhoff, B., editors, Proceedings of ICANN96, International Conference on Artificial Neural Networks, Bochum, Germany, July 16-19, 1996, Lecture Notes in Computer Science, vol. 1112, pages 269-274. Springer, Berlin. Postscript (438 K), gzipped postscript (74 K)

Lagus, K., Honkela, T., Kaski, S., and Kohonen, T. (1996a).

Self-organizing maps of document collections: A new approach to interactive exploration. In Simoudis, E., Han, J., and Fayyad, U., editors, Proceedings of the Second International Conference on Knowledge Discovery and Data Mining, pages 238-243. AAAI Press, Menlo Park, California. Postscript (2986 K), gzipped postscript (280 K) © AAAI Press.

Lagus, K., Honkela, T., Kaski, S., and Kohonen, T. (1996b).

WEBSOM - a status report. In Alander, J., Honkela, T., and Jakobsson, M., editors, Proceedings of STeP'96, Finnish Artificial Intelligence Conference, pages 73-78. Finnish Artificial Intelligence Society, Vaasa, Finland. URL: http://www.uwasa.fi/stes/step96/step96/lagus/

Lagus, K., Kaski, S., Honkela, T., and Kohonen, T. (1996c)

Browsing digital libraries with the aid of self-organizing maps. In Proceedings of the Fifth International World Wide Web Conference WWW5, May 6-10, Paris, France, volume Poster Proceedings, pages 71-79. EPGL. Postscript (2134 K), gzipped postscript (135 K)