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- research-articleMarch 2024
Local polynomial software reliability models and their application
Information and Software Technology (INST), Volume 166, Issue Chttps://doi.org/10.1016/j.infsof.2023.107366AbstractIn this paper, we propose local polynomial software reliability models (SRMs), which can be categorized into a semi-parametric modeling framework. Our models belong to the common non-homogeneous Poisson process (NHPP)-based SRMs, but possess a ...
- research-articleApril 2023
Probabilistic program performance analysis with confidence intervals
Information and Software Technology (INST), Volume 156, Issue Chttps://doi.org/10.1016/j.infsof.2022.107143Abstract Context:More often than not, the algorithms implemented by software systems continue to operate correctly when executed on different platforms or with different inputs, and can be easily replaced with functionally ...
Highlights- Probabilistic analysis method for formally analysing quality aspects of programs.
- research-articleJuly 2022
A Systematic Literature Review on prioritizing software test cases using Markov chains
- Gerson Barbosa,
- Érica Ferreira de Souza,
- Luciana Brasil Rebelo dos Santos,
- Marlon da Silva,
- Juliana Marino Balera,
- Nandamudi Lankalapalli Vijaykumar
Information and Software Technology (INST), Volume 147, Issue Chttps://doi.org/10.1016/j.infsof.2022.106902Abstract Context:Software Testing is a costly activity since the size of the test case set tends to increase as the construction of the software evolves. Test Case Prioritization (TCP) can reduce the effort and cost of software ...
Highlights- Software Testing is a costly activity since the size of the test case set tends to increase as the construction of the software evolves.
- research-articleJanuary 2022
Automatically inferring user behavior models in large-scale web applications
Information and Software Technology (INST), Volume 141, Issue Chttps://doi.org/10.1016/j.infsof.2021.106704Highlights- Infers probabilistic user behavioral models using a Markov model.
- Uses ...
Inferring a behavioral model from users’ navigation patterns in a web application helps application providers to understand their users’ interests. It is essential to automatically identify and generate such models ...
- research-articleDecember 2020
Assessing safety-critical systems from operational testing: A study on autonomous vehicles
Information and Software Technology (INST), Volume 128, Issue Chttps://doi.org/10.1016/j.infsof.2020.106393Abstract ContextDemonstrating high reliability and safety for safety-critical systems (SCSs) remains a hard problem. Diverse evidence needs to be combined in a rigorous way: in particular, results of operational testing with other ...
- rapid-communicationNovember 2019
Evaluating probabilistic software development effort estimates: Maximizing informativeness subject to calibration
Information and Software Technology (INST), Volume 115, Issue CPages 93–96https://doi.org/10.1016/j.infsof.2019.08.006Abstract ContextProbabilistic effort estimates inform about the uncertainty and may give useful input to plans, budgets and investment analyses.
Objective & methodThis paper introduces, motivates and ...
- research-articleJune 2018
What is wrong with topic modeling? And how to fix it using search-based software engineering
Information and Software Technology (INST), Volume 98, Issue CPages 74–88https://doi.org/10.1016/j.infsof.2018.02.005Abstract ContextTopic modeling finds human-readable structures in unstructured textual data. A widely used topic modeling technique is Latent Dirichlet allocation. When running on different datasets, LDA suffers from “order effects”,...
- research-articleApril 2018
Maintaining accurate web usage models using updates from activity diagrams
Information and Software Technology (INST), Volume 96, Issue CPages 68–77https://doi.org/10.1016/j.infsof.2017.11.006Abstract ContextMarkov operational profile (Markov OP) is a type of usage models for large applications involving state transitions. Such usage models not only help us ensure and maximize product reliability, but can also be used to ...
- research-articleDecember 2016
Search based approach to forecasting QoS attributes of web services using genetic programming
Information and Software Technology (INST), Volume 80, Issue CPages 158–174https://doi.org/10.1016/j.infsof.2016.08.009ContextCurrently, many service operations performed in service-oriented software engineering (SOSE) such as service composition and discovery depend heavily on Quality of Service (QoS). Due to factors such as varying loads, the real value of some ...
- research-articleMarch 2015
A multivariate statistical framework for the analysis of software effort phase distribution
Information and Software Technology (INST), Volume 59, Issue CPages 149–169https://doi.org/10.1016/j.infsof.2014.11.004ContextIn software project management, the distribution of resources to various project activities is one of the most challenging problems since it affects team productivity, product quality and project constraints related to budget and scheduling. ...
- articleJanuary 2011
A formal approach for the development of reactive systems
Information and Software Technology (INST), Volume 53, Issue 1Pages 14–33https://doi.org/10.1016/j.infsof.2010.07.004Context: This paper deals with the development and verification of liveness properties on reactive systems using the Event-B method. By considering the limitation of the Event-B method to invariance properties, we propose to apply the language TLA^+ to ...
- articleMarch 2009
How do personality, team processes and task characteristics relate to job satisfaction and software quality?
Information and Software Technology (INST), Volume 51, Issue 3Pages 627–639https://doi.org/10.1016/j.infsof.2008.08.006This article analyses the relationships between personality, team processes, task characteristics, product quality and satisfaction in software development teams. The data analysed here were gathered from a sample of 35 teams of students (105 ...
- articleOctober 2008
Time-line based model for software project scheduling with genetic algorithms
Information and Software Technology (INST), Volume 50, Issue 11Pages 1142–1154https://doi.org/10.1016/j.infsof.2008.03.002Effective management of complex software projects depends on the ability to solve complex, subtle optimization problems. Most studies on software project management do not pay enough attention to difficult problems such as employee-to-task assignments, ...
- articleAugust 2008
A comparative evaluation on the accuracies of software effort estimates from clustered data
Information and Software Technology (INST), Volume 50, Issue 9-10Pages 879–888https://doi.org/10.1016/j.infsof.2008.02.005Precision in estimating the required software development effort plays a critical factor in the success of software project management. Most existing software effort estimation models only compare the accuracies of software effort estimates from the ...
- articleFebruary 2008
Improving analogy-based software cost estimation by a resampling method
Information and Software Technology (INST), Volume 50, Issue 3Pages 221–230https://doi.org/10.1016/j.infsof.2007.04.001Estimation by analogy (EbA) is a well-known technique for software cost estimation. The popularity of the method is due to its straightforwardness and its intuitively appealing interpretation. However, in spite of the simplicity in application, the ...
- research-articleNovember 2001
Managing uncertainty in project portfolio cost estimation
Information and Software Technology (INST), Volume 43, Issue 13Pages 759–768https://doi.org/10.1016/S0950-5849(01)00183-5Although typically a software development organisation is involved in more than one project simultaneously, the available tools in the area of software cost estimation deal mostly with single software projects. In order to calculate the possible cost of ...