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Paper Abstract and Keywords
Presentation 2018-10-26 15:55
[Invited Lecture] Report of Presentation in SEA2018 and Recent Study
Yu Nakahata, Jun Kawahara (NAIST) COMP2018-29
Abstract (in Japanese) (See Japanese page) 
(in English) Partitioning a graph into balanced components is important for several applications. For multi-objective problems, it is useful not only to find one solution but also to enumerate all the solutions with good values of objectives. However, there are a vast number of graph partitions in a graph, and thus it is difficult to enumerate the desired graph partitions efficiently. In this presentation, an algorithm to enumerate all the graph partitions such that all the weights of the connected components are at least a specified value is proposed. To deal with a large search space, we use zero-suppressed binary decision diagrams (ZDDs) to represent sets of graph partitions and we design a new algorithm based on frontier-based search, which is a framework to directly construct a ZDD. Our algorithm utilizes not only ZDDs but also ternary decision diagrams (TDDs) and realizes an operation which seems difficult to be designed only by ZDDs. Experimental results show that the proposed algorithm runs up to tens of times faster than an existing state-of-the-art algorithm.
In the presentation, we report our presentation in SEA2018 and talk about the recent study.
Keyword (in Japanese) (See Japanese page) 
(in English) Graph algorithm / Graph partitioning / Decision diagram / Frontier-based search / Enumeration problem / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 268, COMP2018-29, pp. 57-57, Oct. 2018.
Paper # COMP2018-29 
Date of Issue 2018-10-19 (COMP) 
ISSN Online edition: ISSN 2432-6380
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 COMP2018-29

Conference Information
Committee COMP  
Conference Date 2018-10-26 - 2018-10-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To COMP 
Conference Code 2018-10-COMP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Report of Presentation in SEA2018 and Recent Study 
Sub Title (in English)  
Keyword(1) Graph algorithm  
Keyword(2) Graph partitioning  
Keyword(3) Decision diagram  
Keyword(4) Frontier-based search  
Keyword(5) Enumeration problem  
1st Author's Name Yu Nakahata  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Jun Kawahara  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Date Time 2018-10-26 15:55:00 
Presentation Time 25 minutes 
Registration for COMP 
Paper # COMP2018-29 
Volume (vol) vol.118 
Number (no) no.268 
Page p.57 
Date of Issue 2018-10-19 (COMP) 

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