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| Presentation | 2009-06-29 10:00 Compressed Pattern Matching on VF Codes Takuya Kida (Hokkaido Univ.)  COMP2009-18 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We discuss the problem of pattern matching on a VF coded text. We introduce a KMP-type pattern matching algorithm that runs on a VF code, by using the Collage system, which is a general framework to capture the essence of compressed pattern matching. The algorithm runs on a compressed text directly in $O(n+R)$ time after $O(m^2+D)$ time and space preprocessing, where $m,n,R,D$ are the pattern length, the compressed text length, the number of occurrences, and the size of the dictionary for the VF code. In this paper, we also present an improved algorithm which can preprocess more efficiently if each label on the parse tree of the VF code shares substrings mutually. For the pattern of length $m$ and the parse tree of size $|\calT|$, it runs in $O(m^2+|S|+|\calT|)$ time and space for preprocessing if each label is represented as a pointer to the string $S$. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | VF code / Suffix tree / Compressed pattern matching / Collage system / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 108, COMP2009-18, pp. 1-8, June 2009. | |
| Paper # | COMP2009-18 | |
| Date of Issue | 2009-06-22 (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 | COMP2009-18 |
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| Conference Information | |
| Committee | COMP |
| Conference Date | 2009-06-29 - 2009-06-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | COMP |
| Conference Code | 2009-06-COMP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Compressed Pattern Matching on VF Codes |
| Sub Title (in English) | |
| Keyword(1) | VF code |
| Keyword(2) | Suffix tree |
| Keyword(3) | Compressed pattern matching |
| Keyword(4) | Collage system |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Takuya Kida |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-06-29 10:00:00 |
| Presentation Time | 35 minutes |
| Registration for | COMP |
| Paper # | COMP2009-18 |
| Volume (vol) | vol.109 |
| Number (no) | no.108 |
| Page | pp.1-8 |
| #Pages | 8 |
| Date of Issue | 2009-06-22 (COMP) |
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