| Paper Abstract and Keywords |
| Presentation |
2005-01-27 15:40
A I Clusteringethod based on Multiple Quasi-Minimum Spanning Trees
Daisuke Kagawa, Morikazu Nakamura (Ryukyu Univ.), Yumiko Nakajima (Univ. of the Ryukyus) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
This paper proposes a clustering method based on multiple quasi-minimal spanning trees to obtain good quality clusters from genetic expression data.In the proposed method, we get multiple quasi-minimal spanning trees from the complete graph in which each gene expression corresponds to a node and each edge is weighted with unlikeness value between the terminal nodes by applying Prim's algorithm with taking errors of edge weights into consideration. We can obtain k partial trees which corresponds to k clusters when we remove k-1 edges from a quasi-minimal spanning tree. The quality of clustering depends on the set of removed edges. Therefore, we apply genetic algorithms to select k-1 edges so that the clustering can be better quality. Experimental evaluation shows the effectiveness of our proposed method. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Gene expression data clustering / Minimal spanning tree / Genetic Local Search / / / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 104, Jan. 2005. |
| Paper # |
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| Date of Issue |
2005-01-20 (CST) |
| ISSN |
Print edition: ISSN 0913-5685 |
| Download PDF |
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| Conference Information |
| Committee |
MSS |
| Conference Date |
2005-01-27 - 2005-01-27 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Univ. of Electro-Communications |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
Concurrent system, etc. |
| Paper Information |
| Registration To |
MSS |
| Conference Code |
2005-01-CST |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
A I Clusteringethod based on Multiple Quasi-Minimum Spanning Trees |
| Sub Title (in English) |
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| Keyword(1) |
Gene expression data clustering |
| Keyword(2) |
Minimal spanning tree |
| Keyword(3) |
Genetic Local Search |
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| 1st Author's Name |
Daisuke Kagawa |
| 1st Author's Affiliation |
Ryukyu University (Ryukyu Univ.) |
| 2nd Author's Name |
Morikazu Nakamura |
| 2nd Author's Affiliation |
Ryukyu University (Ryukyu Univ.) |
| 3rd Author's Name |
Yumiko Nakajima |
| 3rd Author's Affiliation |
Center of Molecular Biosciences (Univ. of the Ryukyus) |
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| Speaker |
Author-1 |
| Date Time |
2005-01-27 15:40:00 |
| Presentation Time |
25 minutes |
| Registration for |
MSS |
| Paper # |
CST2004-49 |
| Volume (vol) |
vol.104 |
| Number (no) |
no.593 |
| Page |
pp.61-65 |
| #Pages |
5 |
| Date of Issue |
2005-01-20 (CST) |