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Paper Abstract and Keywords
Presentation 2015-05-22 13:40
Nonparametric estimation in software reliability assessment based on non-homogeneous gamma processes
Yasuhiro Saito, Tadashi Dohi (Hiroshima Univ.) R2015-3
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper we extend non-homogeneous gamma process (NHGP)-based software reliability models (SRMs) by Ishii and Dohi (2008) from both view points of modeling and parameter estimation. In modeling, we generalize the underlying NHGP-based SRMs to those for eleven kinds of trend function, which can characterize a variety of software fault-detection patterns. In parameter estimation, we develop a non-parametric maximum likelihood estimation method without the complete knowledge on trend functions, and compare it with the parametric maximum likelihood estimation method. Since an NHGP involves a non-homogeneous Poisson processes (NHPPs) as the simplest case, it is shown that NHGP-based SRMs are much more robust than the common NHPP-based SRMs and that our non-parametric method can improve the goodness-of- t performance of the conventional parametric one.
Keyword (in Japanese) (See Japanese page) 
(in English) Software reliability / Non-homogeneous gamma process / Trend function / Non-parametric maximum likelihood estimation / Non-homogeneous poisson process / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 47, R2015-3, pp. 13-18, May 2015.
Paper # R2015-3 
Date of Issue 2015-05-15 (R) 
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 R2015-3

Conference Information
Committee R  
Conference Date 2015-05-22 - 2015-05-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinoshima-Bunka-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To R 
Conference Code 2015-05-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Nonparametric estimation in software reliability assessment based on non-homogeneous gamma processes 
Sub Title (in English)  
Keyword(1) Software reliability  
Keyword(2) Non-homogeneous gamma process  
Keyword(3) Trend function  
Keyword(4) Non-parametric maximum likelihood estimation  
Keyword(5) Non-homogeneous poisson process  
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1st Author's Name Yasuhiro Saito  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Tadashi Dohi  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2015-05-22 13:40:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2015-3 
Volume (vol) vol.115 
Number (no) no.47 
Page pp.13-18 
#Pages 6 
Date of Issue 2015-05-15 (R) 

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