City Research Online

Article

Bishop, P. G. ORCID: 0000-0003-3307-5159 & Povyakalo, A. A. ORCID: 0000-0002-4068-422X (2020). A conservative confidence bound for the probability of failure on demand of a software-based system based on failure-free tests of its components. Reliability Engineering and System Safety, 203, article number 107060. doi: 10.1016/j.ress.2020.107060

Zhao, X. ORCID: 0000-0002-3474-349X, Littlewood, B., Povyakalo, A. A. , Strigini, L. & Wright, D.view all authors (2018). Conservative Claims for the Probability of Perfection of a Software-based System Using Operational Experience of Previous Similar Systems. Reliability Engineering and System Safety, 175, pp. 265-282. doi: 10.1016/j.ress.2018.03.032

Bishop, P. G. & Povyakalo, A. A. (2017). Deriving a frequentist conservative confidence bound for probability of failure per demand for systems with different operational and test profiles. Reliability Engineering & System Safety, 158, pp. 246-253. doi: 10.1016/j.ress.2016.08.019

Zhao, X., Littlewood, B., Povyakalo, A. A. , Strigini, L. & Wright, D.view all authors (2017). Modeling the probability of failure on demand (pfd) of a 1-out-of-2 system in which one channel is “quasi-perfect”. Reliability Engineering & System Safety, 158, pp. 230-245. doi: 10.1016/j.ress.2016.09.002

Bishop, P. G., Bloomfield, R. E., Littlewood, B. , Popov, P. T., Povyakalo, A. A. & Strigini, L.view all authors (2014). 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. Reliability Engineering & System Safety, 130, pp. 61-68. doi: 10.1016/j.ress.2014.04.002

Littlewood, B. & Povyakalo, A. A. (2013). 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”. IEEE Transactions on Software Engineering, 39(11), pp. 1521-1530. doi: 10.1109/TSE.2013.35

Povyakalo, A. A., Alberdi, E., Strigini, L. & Ayton, P.view all authors (2013). How to discriminate between computer-aided and computer-hindered decisions: a case study in mammography. Medical Decision Making, 33(1), pp. 98-107. doi: 10.1177/0272989x12465490

Littlewood, B. & Povyakalo, A. A. (2013). 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”. IEEE Transactions on Software Engineering, 39(12), pp. 1641-1653. doi: 10.1109/TSE.2013.31

Bishop, P. G., Bloomfield, R. E., Littlewood, B. , Povyakalo, A. A. & Wright, D.view all authors (2011). Toward a Formalism for Conservative Claims about the Dependability of Software-Based Systems. IEEE Transactions on Software Engineering, 37(5), pp. 708-717. doi: 10.1109/tse.2010.67

Alberdi, E., Strigini, L., Povyakalo, A. A. & Ayton, P.view all authors (2009). Why Are People's Decisions Sometimes Worse with Computer Support?. COMPUTER SAFETY, RELIABILITY, AND SECURITY, PROCEEDINGS, 5775, pp. 18-31. doi: 10.1007/978-3-642-04468-7_3

Alberdi, E., Povyakalo, A. A., Strigini, L. , Ayton, P. & Given-Wilson, R. M.view all authors (2008). CAD in mammography: lesion-level versus case-level analysis of the effects of prompts on human decisions. International Journal of Computer Assisted Radiology and Surgery, 3(1-2), pp. 115-122. doi: 10.1007/s11548-008-0213-x

Alberdi, E., Povyakalo, A. A., Strigini, L. , Ayton, P., Hartswood, M., Procter, R. & Slack, R.view all authors (2005). Use of computer-aided detection (CAD) tools in screening mammography: a multidisciplinary investigation. British Journal of Radiology, 78(suppl_), S31-S40. doi: 10.1259/bjr/37646417

Alberdi, E., Povyakalo, A. A., Strigini, L. & Ayton, P.view all authors (2004). Effects of incorrect computer-aided detection (CAD) output on human decision-making in mammography. Academic Radiology, 11(8), pp. 909-918. doi: 10.1016/j.acra.2004.05.012

Conference or Workshop Item

Bishop, P. ORCID: 0000-0003-3307-5159, Povyakalo, A. ORCID: 0000-0002-4068-422X & Strigini, L. ORCID: 0000-0002-4246-2866 (2022). Bootstrapping confidence in future safety based on past safe operation. In: 2022 IEEE 33rd International Symposium on Software Reliability Engineering (ISSRE). 2022 IEEE 33rd International Symposium on Software Reliability Engineering (ISSRE 2022), 31 Oct - 3 Nov 2022, Charlotte, NC, USA. doi: 10.1109/ISSRE55969.2022.00020

Bishop, P. ORCID: 0000-0003-3307-5159 & Povyakalo, A. A. ORCID: 0000-0002-4068-422X (2022). Optimising the Reliability that can be Claimed for a Software-based System based on Failure-free Tests of its components. In: Computer Safety, Reliability, and Security. 41st International Conference, SAFECOMP 2022, 6-9 Sep 2022, Munich, Germnay. doi: 10.1007/978-3-031-14835-4

Gashi, I., Povyakalo, A. A. & Strigini, L. (2016). Diversity, Safety and Security in Embedded Systems: modelling adversary effort and supply chain risks. In: 2016 12th European Dependable Computing Conference (EDCC). Proceedings of the 12th European Dependable Computing Conference, 5th - 9th September 2016, Gothenburg, Sweden. doi: 10.1109/EDCC.2016.27

Zhao, X., Littlewood, B., Povyakalo, A. A. & Wright, D.view all authors (2015). Conservative Claims about the Probability of Perfection of Software-based Systems. Paper presented at the The 26th IEEE International Symposium on Software Reliability Engineering, 02-11-2015 - 05-11-2015, Washington DC, USA.

Gashi, I., Povyakalo, A. A., Strigini, L. , Matschnig, M, Hinterstoisser, T & Fischer, Bview all authors (2014). Diversity for Safety and Security in Embedded Systems. Paper presented at the IEEE International Conference on Dependable Systems and Networks, 23-06-2014 - 26-06-2014, Atlanta, GA, USA.

Popov, P. T., Povyakalo, A. A., Stankovic, V. ORCID: 0000-0002-8740-6526 & Strigini, L.view all authors (2014). Software diversity as a measure for reducing development risk. Paper presented at the Tenth European Dependable Computing Conference - EDCC 2014, 13 - 16 May 2014, Newcastle upon Tyne, UK.

Strigini, L. & Povyakalo, A. A. (2013). Software fault-freeness and reliability predictions. In: Bitsch, F., Guiochet, J. & Kaaniche, M. (Eds.), Computer Safety, Reliability, and Security. SAFECOMP 2013. SAFECOMP 2013, 32nd International Conference on Computer Safety, Reliability and Security, 24 - 27 September 2013, Toulouse, France.

Bloomfield, R. E., Gashi, I., Povyakalo, A. A. & Stankovic, V. ORCID: 0000-0002-8740-6526view all authors (2008). Comparison of Empirical Data from Two Honeynets and a Distributed Honeypot Network. In: ISSRE. 19th International Symposium on Software Reliability Engineering, 2008, 10 - 14 Nov 2008, Seattle, USA. doi: 10.1109/ISSRE.2008.62

Littlewood, B., Bloomfield, R. E., Popov, P. T. , Povyakalo, A. A. & Strigini, L.view all authors (2004). The impact of "difficulty" variation on the probability of coincident failure of diverse systems. Paper presented at the International Conference on Control and Instrumentation in Nuclear Installations, 2004, Liverpool, UK.

Strigini, L., Povyakalo, A. A. & Alberdi, E. (2003). Human-machine diversity in the use of computerised advisory systems: a case study. In: Martin, D (Ed.), 2003 INTERNATIONAL CONFERENCE ON DEPENDABLE SYSTEMS AND NETWORKS, PROCEEDINGS. International Conference on Dependable Systems and Networks (DSN'03), 22 - 25 Jun 2003, San Francisco, California.

Bishop, P. G. ORCID: 0000-0003-3307-5159, Povyakalo, A. A. ORCID: 0000-0002-4068-422X & Strigini, L. ORCID: 0000-0002-4246-2866 How to reason about Risk, given Inevitable Doubt on Arguments for High Dependability. Paper presented at the SAFECOMP 2024, 17-20 Sep 2024, Florence, Italy.

Monograph

Bishop, P. G. ORCID: 0000-0003-3307-5159, Povyakalo, A. A. ORCID: 0000-0002-4068-422X & Strigini, L. ORCID: 0000-0002-4246-2866 (2021). Bootstrapping confidence in future safety based on past safe operation. .

Report

Littlewood, B. & Povyakalo, A. A. (2012). 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" (CSR Technical Report, 20 May 2012). London: Centre for Software Reliability, City University London.

Littlewood, B. & Povyakalo, A. A. (2012). 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" (CSR Technical Report 20 March 2012). London: Centre for Software Reliability, City University London.

Working Paper

Bishop, P. G. ORCID: 0000-0003-3307-5159 & Povyakalo, A. A. (2022). Optimising the reliability that can be claimed for a software-based system based on failure-free tests of its components. .