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| Presentation | 2019-10-24 14:30 Computing Optimal Weight in Weighted Register Automata and Related Decision Problems Reo Yoshimura (Nagoya Univ.), Yoshiaki Takata (Kochi-tech.), Hiroyuki Seki (Nagoya Univ.)  SS2019-16 DC2019-44 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Register automaton (RA) is a computational model that can handle data values by adding registers to finite automaton. Recently, weighted register automaton (WRA) was proposed by extending RA so that weights can be specified for transitions. In this paper, we first show the undecidability of basic decision problems for WRA. We also define an optimal run problem for WRA and propose an algorithm for the problem by reducing it to the minimum weight path problem for directed graphs. For a subclass where the applicability of transition rules and weights are determined only by register type, we present a method of constructing a directed graph from a given WRA in the subclass such that the optimal run of WRA and the minimum weight path of the graph correspond to each other. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | weighted register automata / weight / data word / optimal run / weighted timed automata / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 246, SS2019-16, pp. 19-24, Oct. 2019. | |
| Paper # | SS2019-16 | |
| Date of Issue | 2019-10-17 (SS, DC) | |
| ISSN | 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 | SS2019-16 DC2019-44 |
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| Conference Information | |
| Committee | DC SS |
| Conference Date | 2019-10-24 - 2019-10-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kumamoto Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Software Systems, etc. |
| Paper Information | |
| Registration To | SS |
| Conference Code | 2019-10-DC-SS |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Computing Optimal Weight in Weighted Register Automata and Related Decision Problems |
| Sub Title (in English) | |
| Keyword(1) | weighted register automata |
| Keyword(2) | weight |
| Keyword(3) | data word |
| Keyword(4) | optimal run |
| Keyword(5) | weighted timed automata |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Reo Yoshimura |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Yoshiaki Takata |
| 2nd Author's Affiliation | Kochi University of Technology (Kochi-tech.) |
| 3rd Author's Name | Hiroyuki Seki |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-10-24 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | SS |
| Paper # | SS2019-16, DC2019-44 |
| Volume (vol) | vol.119 |
| Number (no) | no.246(SS), no.247(DC) |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2019-10-17 (SS, DC) |
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