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| Presentation | 2012-12-19 16:20 Recognizing Variations of Japanese "Good Morning" Phrases in Twitter Yoshinari Fujinuma (Univ. of Tokyo), Hikaru Yokono (NII), Pascual Martinez-Gomez, Akiko Aizawa (Univ. of Tokyo/NII)  NLC2012-39 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the rapid growth of Consumer Generated Media (CGM) such as Twitter introduced much expressive variations and informal representations into textual resources. Although word segmentation is the first step in most Japanese language applications, current word segmentation tools are not sufficiently adapted to such informal text yet. In this paper, we focus on a most frequent phrase expression in Japanese morning twitter, “おはようございます”, and construct a CRF-based extractor of the variations. Using 500 manually annotated samples, we obtain F1 score of over 0.91 for both the head span (“おはよう”) and the entire span (including the attachment part such as “ございます”). We also show that the extracted variations contain normalization pattern which are not defined in JUMAN 7.0. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Informal text / Rule extraction / Twitter / CRF / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 367, NLC2012-39, pp. 35-40, Dec. 2012. | |
| Paper # | NLC2012-39 | |
| Date of Issue | 2012-12-12 (NLC) | |
| 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 | NLC2012-39 |
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| Conference Information | |
| Committee | NLC |
| Conference Date | 2012-12-19 - 2012-12-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ookayama Campasu, Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NLC |
| Conference Code | 2012-12-NLC |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Recognizing Variations of Japanese "Good Morning" Phrases in Twitter |
| Sub Title (in English) | |
| Keyword(1) | Informal text |
| Keyword(2) | Rule extraction |
| Keyword(3) | |
| Keyword(4) | CRF |
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| 1st Author's Name | Yoshinari Fujinuma |
| 1st Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name | Hikaru Yokono |
| 2nd Author's Affiliation | National Institute of Informatics (NII) |
| 3rd Author's Name | Pascual Martinez-Gomez |
| 3rd Author's Affiliation | The University of Tokyo/National Institute of Informatics (Univ. of Tokyo/NII) |
| 4th Author's Name | Akiko Aizawa |
| 4th Author's Affiliation | The University of Tokyo/National Institute of Informatics (Univ. of Tokyo/NII) |
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| Speaker | Author-1 |
| Date Time | 2012-12-19 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | NLC |
| Paper # | NLC2012-39 |
| Volume (vol) | vol.112 |
| Number (no) | no.367 |
| Page | pp.35-40 |
| #Pages | 6 |
| Date of Issue | 2012-12-12 (NLC) |
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