NDLI: Assessing self-organization using order metrics

Content Provider	IEEE Xplore Digital Library
Author	Azcarraga, A.P.
Copyright Year	2000
Description	Author affiliation: Sch. of Comput., Nat. Univ. of Singapore, Singapore (Azcarraga, A.P.)
Abstract	Self-organizing maps (SOM) are proving to be useful as data analysis and visualization tools because they can visually render the data analysis results in 2D or 3D, and do not need category information for each input pattern. But this unsupervised nature of the training process makes it difficult to have separate training and test sets to determine the quality of the training process, which is done quite naturally for supervised neural network learning algorithms. In applications like data analysis, where there is little clue as to the way the SOM is supposed to look after training, it is important to be able to assess the quality of the self-organization process independent of the application, and without need for category information. The average unit disorder has been used to assess the quality of the ordering of a self-organized map. It is shown here that this same order metric can be used to assess the quality of the self-organization process itself. Based on this order metric, it can be determined whether the SOM has adequately learned, whether the parameters used to train the SOM have been correctly specified, and whether the SOM variant used is well-suited to the specific problem at hand.
Starting Page	159
Ending Page	164
File Size	460368
Page Count	6
File Format	PDF
ISBN	0769506194
ISSN	10987576
DOI	10.1109/IJCNN.2000.859390
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-27
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data analysis Self organizing feature maps Data visualization Testing Neural networks Rendering (computer graphics) Lattices Joining processes Euclidean distance
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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