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| Presentation | 2008-06-19 14:30 Extraction of representative words from documents using concept-vectors of words Toshio Uchiyama, Katsuji Bessho, Tadasu Uchiyama, Masahiro Oku (NTT)  DE2008-9 PRMU2008-27 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A concept-based method presents feature of words by vectors. Since documents are composed of a set of words, they have a set of concept vectors of words. A center of gravity of concept vectors in documents becomes to present a feature of documents, and it can be used for a search and classification problems. However, only one vector such as the center of gravity may not be enough to present their whole feature, considering a lot of words in them. It is also a problem that a vector expression is not easy to be recognized by human directly. Therefore, this paper proposes a novel method that presents feature of documents by representative words of the documents. It also presents a method that extracts prototype vectors from a set of concept vectors and that derives representative words from the prototype vectors. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Document feature / Concept vector / Clustering / Representative words / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 94, PRMU2008-27, pp. 47-52, June 2008. | |
| Paper # | PRMU2008-27 | |
| Date of Issue | 2008-06-12 (DE, PRMU) | |
| 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 | DE2008-9 PRMU2008-27 |
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| Conference Information | |
| Committee | PRMU DE |
| Conference Date | 2008-06-19 - 2008-06-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru-Shimin-Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | PRMU |
| Conference Code | 2008-06-PRMU-DE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Extraction of representative words from documents using concept-vectors of words |
| Sub Title (in English) | |
| Keyword(1) | Document feature |
| Keyword(2) | Concept vector |
| Keyword(3) | Clustering |
| Keyword(4) | Representative words |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Toshio Uchiyama |
| 1st Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 2nd Author's Name | Katsuji Bessho |
| 2nd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 3rd Author's Name | Tadasu Uchiyama |
| 3rd Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 4th Author's Name | Masahiro Oku |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
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| Speaker | Author-1 |
| Date Time | 2008-06-19 14:30:00 |
| Presentation Time | 30 minutes |
| Registration for | PRMU |
| Paper # | DE2008-9, PRMU2008-27 |
| Volume (vol) | vol.108 |
| Number (no) | no.93(DE), no.94(PRMU) |
| Page | pp.47-52 |
| #Pages | 6 |
| Date of Issue | 2008-06-12 (DE, PRMU) |
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