Bev Littlewood

Q: What Schools Are Affiliated With Bev Littlewood

Bev Littlewood is affiliated with the following schools: George Washington University, City, University of London, University of Southampton

Bev Littlewood's AcademicInfluence.com Rankings

Bev Littlewood

Computer Science

#10012

Historical Rank

Database

#6737

Historical Rank

computer-science Degrees

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Computer Science

Bev Littlewood's Degrees

Bachelors Mathematics University of Southampton
PhD Computer Science University of Southampton

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Bev Littlewood's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

A Bayesian Reliability Growth Model for Computer Software (1973) (467)
Validation of ultrahigh dependability for software-based systems (1993) (343)
Evaluation of competing software reliability predictions (1986) (314)
Conceptual Modeling of Coincident Failures in Multiversion Software (1989) (286)
Repairable Systems Reliability: Modelling, Inference, Misconceptions and Their Causes (1984) (281)
Stochastic Reliability-Growth: A Model for Fault-Removal in Computer-Programs and Hardware-Designs (1981) (238)
Towards Operational Measures of Computer Security (1993) (231)
Software Reliability Model for Modular Program Structure (1979) (226)
Evaluating Testing Methods by Delivered Reliability (1998) (206)
Theories of Software Reliability: How Good Are They and How Can They Be Improved? (1980) (194)
Software reliability and dependability: a roadmap (2000) (174)
Recalibrating Software Reliability Models (1990) (164)
Modeling software design diversity: a review (2001) (159)
Some Conservative Stopping Rules for the Operational Testing of Safety-Critical Software (1997) (140)
A Reliability Model for Systems with Markov Structure (1975) (123)
Redundancy and Diversity in Security (2004) (119)
How to Measure Software Reliability and How Not To (1979) (107)
New Ways to Get Accurate Reliability Measures (1992) (107)
Assesing dependability of safety critical systems using diverse evidence (1998) (104)
Criteria for Software Reliability Model Comparisons (1983) (101)
THE RISKS OF SOFTWARE (1992) (97)
Predictably Dependable Computing Systems (2012) (95)
The Use of Multilegged Arguments to Increase Confidence in Safety Claims for Software-Based Systems: A Study Based on a BBN Analysis of an Idealized Example (2007) (93)
Applying Bayesian Belief Networks to System Dependability Assessment (1996) (91)
A Bayesian Reliability Model with a Stochastically Monotone Failure Rate (1974) (87)
On measurement of operational security (1994) (81)
Likelihood Function of a Debugging Model for Computer Software Reliability (1981) (76)
Confidence: Its Role in Dependability Cases for Risk Assessment (2007) (64)
Modeling the Effects of Combining Diverse Software Fault Detection Techniques (2000) (63)
Rationale for a Modified Duane Model (1984) (62)
N-version design Versus one Good Version (2000) (61)
The impact of diversity upon common mode failures (1996) (59)
Reasoning about the Reliability of Diverse Two-Channel Systems in Which One Channel Is "Possibly Perfect" (2012) (55)
Multi-legged arguments:the impact of diversity upon confidence in dependability arguments (2003) (55)
Toward a Formalism for Conservative Claims about the Dependability of Software-Based Systems (2011) (50)
Choosing a Testing Method to Deliver Reliability (1997) (44)
A reliability model for Markov structured software (1975) (40)
A Bayesian modification to the Jelinski-Moranda software reliability growth model (1987) (40)
Techniques for prediction analysis and recalibration (1996) (37)
The Littlewood-Verrall model for software reliability compared with some rivals (1984) (36)
Assessing the reliability of diverse fault-tolerant software-based systems (2002) (36)
A bayesian differential debugging model for software reliability (1981) (35)
Towards operational measures of computer security: Experimentation and modelling (1995) (35)
The use of computers in safety-critical applications (1998) (34)
Towards Operational Measures of Computer Security: Concepts (1995) (31)
A Bayesian Model that Combines Disparate Evidence for the Quantitative Assessment of System Dependability (1998) (31)
Stopping rules for the operational testing of safety-critical software (1995) (31)
Assessment of the Reliability of Fault-Tolerant Software: A Bayesian Approach (2000) (31)
A discussion of practices for enhancing diversity in software designs (2000) (30)
The Use of Multi-legged Arguments to Increase Confidence in Safety Claims for Software-based Systems : a Study Based on a BBN Analysis of an Idealised Example (2005) (28)
E-voting: dependability requirements and design for dependability (2006) (28)
On the Quality of Software Reliability Prediction (1983) (27)
Design diversity: an update from research on reliability modelling (2001) (27)
Forecasting Software Reliability (1987) (25)
Combination of Predictions Obtained from Different Software Reliability Growth Models (1995) (24)
Dependability assessment of software-based systems: state of the art (2005) (24)
Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is "quasi-perfect" (2017) (23)
Bayesian Belief Network Model for the Safety Assessment of Nuclear Computer-based Systems (1997) (22)
Predicting software reliability (1989) (22)
Tools for the Analysis of the Accuracy of Software Reliability Predictions (1986) (21)
The Need for Evidence from Disparate Sources to Evaluate Software Safety (1993) (20)
A non‐parametric order statistics software reliability model (1998) (20)
Examination of Bayesian belief network for safety assessment of nuclear computer-based systems (1998) (20)
Software reliability: achievement and assessment (1987) (18)
The Use of Proof in Diversity Arguments (2000) (18)
Measurement for software control and assurance (1989) (17)
The role of models in managing the uncertainty of software-intensive systems (1995) (17)
The problems of assessing software reliability ...When you really need to depend on it (2000) (17)
Modelling the effects of combining diverse software fault removal techniques (1999) (17)
Conservative claims for the probability of perfection of a software-based system using operational experience of previous similar systems (2018) (16)
"Validation of ultra-high dependability…" – 20 years on (2011) (16)
Modeling Software Design Diversit y-AR eview (2001) (16)
A note on reliability estimation of functionally diverse systems (1999) (16)
Software reliability modelling: achievements and limitations (1991) (15)
Software Reliability and Safety (1991) (15)
The effect of testing on reliability of fault-tolerant software (2004) (15)
Guidelines for Statistical Testing (1997) (15)
On reliability assessment when a software-based system is replaced by a thought-to-be-better one (2020) (15)
The coupling of gas chromatography with methods of identification III. Infrared spectrophotometry (1968) (15)
A CONCEPTUAL MODEL OF MULTI-VERSION SOFTWARE (1995) (15)
MTBF is meaningless in software reliability (1975) (15)
Data Collection for Security Fault Forecasting - Pilot Experiment (1993) (14)
Conservative Bounds for the pfd of a 1-out-of-2 Software-Based System Based on an Assessor's Subjective Probability of "Not Worse Than Independence" (2013) (13)
Reasoning About the Reliability of Multi-version, Diverse Real-Time Systems (2010) (13)
Learning to live with uncertainty in our software (1994) (13)
Choosing Between Fault-Tolerance and Increased V&V for Improving Reliability (2000) (13)
What makes a reliable program: few bugs, or a small failure rate? (1980) (12)
Guest Editors' Introduction: Critical Task of Writing Dependable Software (1994) (12)
Bayesian belief networks for safety assessment of computer-based systems (2000) (12)
A Non-Parametric Order Statistics Software Reliability Model (1998) (12)
Advantages of open source processes for reliability: clarifying the issues (2002) (12)
Software Reliability and Metrics (2007) (11)
The Law Commission presumption concerning the dependability of computer evidence (2020) (11)
Critical task of writing dependable software (1994) (11)
A Conceptual Model of the Effect of Diverse Methodologies on Coincident Failures in Multi-Version Software (1987) (11)
Conservative claims about the probability of perfection of software-based systems (2015) (11)
A non-parametric approach to software reliability prediction (1997) (11)
Correction to: Evaluating Testing Methods by Delivered Reliability (1999) (11)
A conservative bound for the probability of failure of a 1-out-of-2 protection system with one hardware-only and one software-based protection train (2014) (9)
Recommendations for the probity of computer evidence (2020) (8)
Conservative Reasoning about the Probability of Failure on Demand of a 1-out-of-2 Software-Based System in Which One Channel Is "Possibly Perfect" (2013) (8)
Modelling the Effects of Combining Diverse Software Fault Detection Techniques (2008) (8)
Evaluating the Assessment of Software Fault-Freeness (2014) (8)
A note on modelling functional diversity (1998) (7)
"Diversity as a computer defense mechanism" (2005) (7)
On the use of diverse arguments to increase confidence in dependability claims (2006) (6)
Comments on 'Reliability and performance analysis for fault-tolerant programs consisting of versions with different characteristics' by Gregory Levitin [Reliability Engineering and System Safety 86 (2004) 75-81] (2006) (6)
Assessing the Reliability of Diverse Fault-Tolerant Systems (2000) (6)
Dependability of modular software in a multiuser operational environment (1995) (6)
Comments on 'Evolutionary neural network modelling for software cumulative failure time prediction' by Liang Tian and Afzel Noore [Reliability Engineering and System Safety 87 (2005) 45-51] (2006) (5)
31 – Software reliability modelling (1991) (5)
Reliability Modeling of a 1-Out-Of-2 System: Research with Diverse Off-The-Shelf SQL Database Servers (2007) (5)
On measurement of operational security [software reliability] (1994) (5)
The Problems of Assessing Software Reliability (2000) (5)
Limits to Dependability Assurance--A Controversy Revisited (2007) (5)
Software reliability prediction (1986) (4)
On Diversity, and the Elusiveness of Independence (2002) (3)
Stochastic reliability growth: A model with applications to computer software faults and hardware design faults (1981) (3)
Equilibrium Distribution of Dimers in Irradiated RNA Molecules (1970) (3)
Software reliability: basic concepts and assessment methods (2000) (2)
Random sequential addition of hard atoms to the one‐dimensional integer lattice (1973) (2)
Limiting Proportions of Hydrations in Irradiated RNA Molecules (1970) (2)
Software Reliability Models (1990) (2)
Fault tolerance via diversity against design faults: design principles and reliability assessment (2000) (1)
Measurement-Based Modelling Issues - The Problem of Assuring Ultra-High Dependability (1992) (1)
- 1-Assessing the Reliability of Diverse Fault-Tolerant Systems (2000) (1)
New Ways to Get Accurate Reliability (1)
Comments on "Multi-objective genetic algorithm for solving N-version program design problem": [Reliabil Eng Syst Saf 91 (2006) 1083-1094] (2008) (1)
How to measure software reliability, and how not to (1978) (1)
Complexity Is the Enemy of Dependability - Can Diversity Provide a Defense? (2002) (1)
New ways to get accurate reliability measures (software) (1992) (1)
Evaluation of software dependability (1996) (1)
The impact of "difficulty" variation on the probability of coincident failure of diverse systems (2004) (1)
Search for the Unnecessary: Letter to the Editor (2002) (1)
Analyses of Software Failure Data (2007) (1)
Computer safety, reliability, and security : 22nd International Conference, SAFECOMP 2003, Edinburgh, UK, September 23-26, 2003 : proceedings (2003) (1)
Reliability prediction of a software product using testing data from other products or execution environment (1996) (1)
City Research Online Validation of Ultra-High Dependability for Software-based Systems (2017) (1)
What is a case? From “What is..” to “What should it be ...” (2015) (0)
Get Accurate Reliability Measures (2009) (0)
Limitaciones del soporte lógico (1993) (0)
Two Heads Are Better Than One: Using Diversity to Make Software Dependable (1999) (0)
Keynote: Standards Writers Beware - There are Serious Limitations to the Claims that can be made for Software Dependability (1997) (0)
On the modelling of computer software reliability and quality (1978) (0)
City Research Online Some conservative stopping rules for the operational testing of safety- critical software (2017) (0)
Software models: A Bayesian approach to parameter estimation in the Jelenski-Moranda software reliability model (1981) (0)
City Research Online The use of proof in diversity arguments (2017) (0)
Conservative reasoning about epistemic uncertainty for the probability of failure on demand of a 1-out-of-2 software-based system in which one channel is “ possibly perfect ” (2019) (0)
Why We Should Learn Not To Depend Too Much Upon Software (1994) (0)
PDCS No . 160 April 1994 1 On Measurement of Operational Security (1994) (0)
The CSR approach to software reliability prediction (1992) (0)
Comments on: Multi-objective genetic algorithm for solving N-version program design problem. Author's reply (2008) (0)
Software reliability measurement (1990) (0)
Reliability Modelling for Fault-Tolerant Software (1988) (0)
What makes a reliable program few bugs, or a small failure rate? (1899) (0)
The characteristics of data in data-intensive safety-related systems (2003) (0)
Hardware and Software Dependability Evaluation: Software Dependability (1989) (0)
City Research Online Evaluation of Software Dependability (2017) (0)

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What Schools Are Affiliated With Bev Littlewood?

Bev Littlewood is affiliated with the following schools:

Bev Littlewood's Academic­Influence.com Rankings