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| Presentation | 2015-06-23 14:15 Efficient sparse learning for combinatorial model by using safe screening approach Kazuya Nakagawa, Shinya Suzumura, Masayuki Karasuyama, Ichiro Takeuchi (NIT)  IBISML2015-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a variety of machine learning tasks, it has been desired to incorporate high-order interaction effects of multiple covariates. However, for recent applications with a large number covariates, it is highly challenging to identify important high-order interaction features since the number of possible candidates would be extremely large. In this paper, we propose an efficient algorithm for LASSO-based sparse learning of such high-order interaction models. The basic strategy is to use a recently introduced safe feature screening technique by which a subset of non-active features can be identified and they can be screened-out prior to LASSO training. However, applying safe feature screening to each of the extremely large number of high-order interaction features would be computationally infeasible. Our key idea for solving this computational issue is to exploit the underlying tree structure among high-order interaction features. Specifically, we introduce a set of pruning conditions of the tree such that, if one of the conditions is satis ed in a certain node, then all the high-order interaction features corresponding to its descendant nodes can be guaranteed to be non-active at the optimal solution, and they can be screened-out prior to LASSO training. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | high-order interaction model / LASSO / sparse learning / safe-screening / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 112, IBISML2015-10, pp. 63-68, June 2015. | |
| Paper # | IBISML2015-10 | |
| Date of Issue | 2015-06-16 (IBISML) | |
| 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 | IBISML2015-10 |
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| Conference Information | |
| Committee | NC IPSJ-BIO IBISML IPSJ-MPS |
| Conference Date | 2015-06-23 - 2015-06-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Institute of Science and Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Machine Learning Approach to Biodata Mining, and General |
| Paper Information | |
| Registration To | IBISML |
| Conference Code | 2015-06-NC-BIO-IBISML-MPS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Efficient sparse learning for combinatorial model by using safe screening approach |
| Sub Title (in English) | |
| Keyword(1) | high-order interaction model |
| Keyword(2) | LASSO |
| Keyword(3) | sparse learning |
| Keyword(4) | safe-screening |
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| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Kazuya Nakagawa |
| 1st Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 2nd Author's Name | Shinya Suzumura |
| 2nd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 3rd Author's Name | Masayuki Karasuyama |
| 3rd Author's Affiliation | Nagoya Institute of Technology (NIT) |
| 4th Author's Name | Ichiro Takeuchi |
| 4th Author's Affiliation | Nagoya Institute of Technology (NIT) |
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| Speaker | Author-1 |
| Date Time | 2015-06-23 14:15:00 |
| Presentation Time | 25 minutes |
| Registration for | IBISML |
| Paper # | IBISML2015-10 |
| Volume (vol) | vol.115 |
| Number (no) | no.112 |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2015-06-16 (IBISML) |
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