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| Presentation | 2011-09-06 13:45 Experimental Evaluation of Algorithm for Minimum-Weight Rooted Not-Necessarily-Spanning Arborescence Problem Yusuke Abe, Eishi Chiba (Hosei Univ.)  COMP2011-24 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We study a problem that finds a minimum-weight rooted not-necessarily-spanning arborescence in a connected acyclic digraph with real weights on arcs. The problem was first proposed by V. V. Rao and R. Sridharan, ``Minimum-weight rooted not-necessarily-spanning arborescence problem,'' Networks, vol. 39(2), pp. 77--87 (2002) in which they showed that the problem is NP-hard, and presented a Lagrangian heuristic to solve it. In this paper, we implement their heuristic and evaluate the performance by computational experimentation. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Arborescence / Lagrangian relaxation / Heuristic algorithm / Combinatorial optimization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 195, COMP2011-24, pp. 39-45, Sept. 2011. | |
| Paper # | COMP2011-24 | |
| Date of Issue | 2011-08-30 (COMP) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | COMP2011-24 |
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| Conference Information | |
| Committee | COMP IPSJ-AL |
| Conference Date | 2011-09-06 - 2011-09-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate City Central Library |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | COMP |
| Conference Code | 2011-09-COMP-AL |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation of Algorithm for Minimum-Weight Rooted Not-Necessarily-Spanning Arborescence Problem |
| Sub Title (in English) | |
| Keyword(1) | Arborescence |
| Keyword(2) | Lagrangian relaxation |
| Keyword(3) | Heuristic algorithm |
| Keyword(4) | Combinatorial optimization |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Yusuke Abe |
| 1st Author's Affiliation | Hosei University (Hosei Univ.) |
| 2nd Author's Name | Eishi Chiba |
| 2nd Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-09-06 13:45:00 |
| Presentation Time | 25 minutes |
| Registration for | COMP |
| Paper # | COMP2011-24 |
| Volume (vol) | vol.111 |
| Number (no) | no.195 |
| Page | pp.39-45 |
| #Pages | 7 |
| Date of Issue | 2011-08-30 (COMP) |
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