%0 Journal Article
%T A Software Reliability Model for OSS Including Various Fault Data Based on Proportional Hazard-Rate Model
%A Taku Yanagisawa
%A Yoshinobu Tamura
%A Adarsh Anand
%A Shigeru Yamada
%J American Journal of Operations Research
%P 1-10
%@ 2160-8849
%D 2022
%I Scientific Research Publishing
%R 10.4236/ajor.2022.121001
%X The </span></span><span><span><span style=\"font-family:&quot;\">software
reliability model is the stochastic model to measure the software <span>reliability quantitatively. A Hazard-Rate Model is </span></span></span></span><span><span><span style=\"font-family:&quot;\">the </span></span></span><span><span><span style=\"font-family:&quot;\">well</span></span></span><span><span><span style=\"font-family:&quot;\">-</span></span></span><span><span><span style=\"font-family:&quot;\">known one as the</span></span></span><span><span><span style=\"font-family:&quot;\"> typical software reliability model. We propose Hazard-Rate
Models Consider<span>ing Fault Severity Levels (CFSL)
for Open Source Software (OSS). The purpose of </span><span>this research is to </span></span></span></span><span><span><span style=\"font-family:&quot;\">make </span></span></span><span><span><span style=\"font-family:&quot;\">the Hazard-Rate Model considering CFSL adapt to</span></span></span><span><span><span style=\"font-family:&quot;\"> </span></span></span><span><span><span style=\"font-family:&quot;\">baseline
hazard function and 2 kinds of faults data in Bug Tracking System <span>(BTS)</span></span></span></span><span><span><span style=\"font-family:&quot;\">,</span></span></span><span><span><span style=\"font-family:&quot;\"> <i>i.e.</i>, we
use the covariate vectors in Cox proportional Hazard-Rate</span></span></span><span><span><span style=\"font-family:&quot;\"> Model. Also, <span>we show the numerical
examples by evaluating the performance of our pro</span><span>posed model. As the result, we compare the performance of our model with
the</span> Hazard-Rate Model CFSL.
%K Open Source Software
%K Fault Data
%K Software Reliability
%K Cox Proportional Hazard-Rate Model
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=114427