J. Dugan

Publications
Influence

Dynamic fault-tree models for fault-tolerant computer systems

J. Dugan, S. Bavuso, M. Boyd
Computer Science
1 September 1992

Reliability analysis of fault-tolerant computer systems for critical applications is complicated by several factors. Expand

A discrete-time Bayesian network reliability modeling and analysis framework

H. Boudali, J. Dugan
Computer Science
Reliab. Eng. Syst. Saf.
1 March 2005

We propose a novel reliability modeling and analysis framework based on the Bayesian network (BN) formalism for dynamic systems. Expand

Empirical Analysis of Software Fault Content and Fault Proneness Using Bayesian Methods

Ganesh J. Pai, J. Dugan
Computer Science
IEEE Transactions on Software Engineering
1 October 2007

We present a methodology for Bayesian analysis of software quality. Expand

A modular approach for analyzing static and dynamic fault trees

R. Gulati, J. Dugan
Mathematics
Annual Reliability and Maintainability Symposium
13 January 1997

We present a new exciting hybrid approach, called the modular approach, for the efficient analysis of both static and dynamic fault trees for reliability evaluation. Expand

A separable method for incorporating imperfect fault-coverage into combinatorial models

S. Amari, J. Dugan, R. Misra
Computer Science
1 September 1999

This paper presents a new method for incorporating imperfect FC (fault coverage) into a combinatorial model. Expand

Automatic synthesis of dynamic fault trees from UML system models

Ganesh J. Pai, J. Dugan
Computer Science
13th International Symposium on Software…
12 November 2002

We propose a framework for modeling computer-based systems, based on the Unified Modeling Language (UML), that facilitates automated dependability analysis during design. Expand

The Galileo fault tree analysis tool

K. Sullivan, J. Dugan, D. Coppit
Computer Science
Digest of Papers. Twenty-Ninth Annual…
15 June 1999

We present Galileo, a dynamic fault tree modeling and analysis tool that combines the innovative DIF-Tree analysis methodology with a rich user interface built using package-oriented programming. Expand

Developing a low-cost high-quality software tool for dynamic fault-tree analysis

J. Dugan, K. Sullivan, D. Coppit
Computer Science
IEEE Trans. Reliab.
1 March 2000

Sophisticated modeling and analysis methods are being developed in academic and industrial research labs for reliability engineering and other domains, but few such methods see widespread use. Expand

Combining various solution techniques for dynamic fault tree analysis of computer systems

R. Manian, J. Dugan, D. Coppit, K. Sullivan
Computer Science
Proceedings Third IEEE International High…
13 November 1998

We extend the DIFtree analysis capability to model several different distributions of time-to-failure, including fixed probabilities (no time component), exponential (constant hazard rate), Weibull (time-varying hazard rate) and log-normal. Expand

A continuous-time Bayesian network reliability modeling, and analysis framework

H. Boudali, J. Dugan
Computer Science
IEEE Transactions on Reliability
6 March 2006

We present a continuous-time Bayesian network (CTBN) framework for dynamic systems reliability modeling and analysis. Expand

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