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| Paper Abstract and Keywords | ||
| Presentation | 2006-09-15 13:30 Topic analysis of natural language documents based on decision tree algorithm Yusuke Furuhata, Toshihiro Nishizono (Nihon Univ.)  CQ2006-54 OIS2006-41 IE2006-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper attempts to extract specific document sets containing the same topic from masses of documents. The original documents are classified through a decision tree and the classification results are analyzed with the decision tree structure. Focusing on classification accuracy in each of decision tree leaves, the analysis yields several tens of specified nouns and pairs of nouns, of which existence identifies the class of each document. Then, topic identification ability of the nouns is ascertained using similarity and entropy of documents in each leaf. As a result, most of the nouns can specify document topics. The resulting topics are not sufficient for applying to new communication services. However, several parts of the decision tree can indicate efficient extraction of topic. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Decision Tree / Document Classification / Communication Services / Text Mining / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, Sept. 2006. | |
| Paper # | ||
| Date of Issue | 2006-09-08 (CQ, OIS, IE) | |
| 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 | CQ2006-54 OIS2006-41 IE2006-56 |
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| Conference Information | |
| Committee | IE CQ LOIS ITE-ME IEE-CMN |
| Conference Date | 2006-09-14 - 2006-09-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LOIS |
| Conference Code | 2006-09-IE-CQ-OIS-ITE-ME-IEE-CMN |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Topic analysis of natural language documents based on decision tree algorithm |
| Sub Title (in English) | |
| Keyword(1) | Decision Tree |
| Keyword(2) | Document Classification |
| Keyword(3) | Communication Services |
| Keyword(4) | Text Mining |
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| Keyword(8) | |
| 1st Author's Name | Yusuke Furuhata |
| 1st Author's Affiliation | Nihon University Graduate School (Nihon Univ.) |
| 2nd Author's Name | Toshihiro Nishizono |
| 2nd Author's Affiliation | Nihon University (Nihon Univ.) |
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| Speaker | Author-1 |
| Date Time | 2006-09-15 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | LOIS |
| Paper # | CQ2006-54, OIS2006-41, IE2006-56 |
| Volume (vol) | vol.106 |
| Number (no) | no.240(CQ), no.242(OIS), no.244(IE) |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2006-09-08 (CQ, OIS, IE) |
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