Paper Abstract and Keywords |
Presentation |
2019-02-08 10:20
Inference of Local Feature Correlations and Detection of Structural Similarity for Text Data Keisuke Sasahara, Makoto Haraguchi (Hokkaido Univ.) NLC2018-44 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
We propose in this report methods for searching local correlations among features on text data and for detecting sentences whose logical structures are similar. We build matrices based on the role of nouns in sentences and regard these nouns as features. Local correlations are verified only for some parts of non-negative data matrix. As the number of such local correlations is large, we try to control the diversity by giving a hint set. We build subsets of nouns which have similar behaviors with respect to the hint by applying a partial NMF with graph regularization term. We build a subspace whose bases are a vector which can explain subsets of nouns. We search nouns which are adjacent to each other on this subspace. We search structures of nouns and its verbs based on this similarity using cross-cluster constraints and extended k-Plex. |
Keyword |
(in Japanese) |
(See Japanese page) |
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Reference Info. |
IEICE Tech. Rep., vol. 118, no. 439, NLC2018-44, pp. 47-52, Feb. 2019. |
Paper # |
NLC2018-44 |
Date of Issue |
2019-01-31 (NLC) |
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) |
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NLC2018-44 |
Conference Information |
Committee |
NLC IPSJ-IFAT |
Conference Date |
2019-02-07 - 2019-02-08 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Ryukoku University Omiya Campus |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
The 14th Text Analytics Symposium |
Paper Information |
Registration To |
NLC |
Conference Code |
2019-02-NLC-IFAT |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
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(See Japanese page) |
Title (in English) |
Inference of Local Feature Correlations and Detection of Structural Similarity for Text Data |
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1st Author's Name |
Keisuke Sasahara |
1st Author's Affiliation |
Hokkaido University (Hokkaido Univ.) |
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Makoto Haraguchi |
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Hokkaido University (Hokkaido Univ.) |
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Speaker |
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Date Time |
2019-02-08 10:20:00 |
Presentation Time |
25 minutes |
Registration for |
NLC |
Paper # |
NLC2018-44 |
Volume (vol) |
vol.118 |
Number (no) |
no.439 |
Page |
pp.47-52 |
#Pages |
6 |
Date of Issue |
2019-01-31 (NLC) |
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