Roger Flage | University of Stavanger

Contact

Telephone: 51831908

Email: roger.flage@uis.no

Room: KE D-426

Department

Faculty of Science and Technology

Department of Safety, Economics and Planning

Publications

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Vitenskapelige publikasjoner
- Stødle, Kaia; Flage, Roger; Guikema, Seth David; Aven, Terje
  
  (2024)
  Artificial intelligence for risk analysis—A risk characterization perspective on advances, opportunities, and limitations.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.14307
- Guikema, Seth; Flage, Roger
  
  (2024)
  Digital twins as a security risk?.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.15749
- Glette-Iversen, Ingrid; Flage, Roger
  
  (2024)
  On unpredictable events in risk analysis.
  Safety Science.
  
  ISSN 0925-7535.
  
  Volum 180.
  
  DOI: 10.1016/j.ssci.2024.106652
- Flage, Roger; Aven, Terje; Glette-Iversen, Ingrid
  
  (2024)
  On the use of the term “real risk”.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.15073
- Chivata Cardenas, Ibsen; Aven, Terje; Flage, Roger
  
  (2023)
  Addressing challenges in uncertainty quantification: The case of geohazard assessments.
  Geoscientific Model Development.
  
  ISSN 1991-959X.
  
  Volum 16.
  
  Hefte 6.
  
  DOI: 10.5194/gmd-16-1601-2023
- Stødle, Kaia; Flage, Roger; Guikema, Seth D.; Aven, Terje
  
  (2023)
  Data-driven predictive modeling in risk assessment: Challenges and directions for proper uncertainty representation.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.14128
- Eidem, Mathias Egeland; Sha, Yanyan; Moen, Ida; Flage, Roger
  
  (2023)
  Ship allision risk analysis for the 28-year-old Nordhordland bridge in Norway. I: ESREL 2023 - Proceedings of the 33rd European Safety and Reliability Conference : The Future of Safety in the Reconnected World, 3 – 7 September 2023, University of Southampton, United Kingdom.
  Research Publishing Services.
  
  ISBN 978-981-18-8071-1.
  
  s.112-119.
  
  DOI: 10.3850/978-981-18-8071-1_P183-c
- Glette-Iversen, Ingrid; Flage, Roger; Aven, Terje
  
  (2023)
  Extending and improving current frameworks for risk management and decision-making: A new approach for incorporating dynamic aspects of risk and uncertainty.
  Safety Science.
  
  ISSN 0925-7535.
  
  Volum 168.
  
  DOI: 10.1016/j.ssci.2023.106317
- Glette-Iversen, Ingrid; Aven, Terje; Flage, Roger
  
  (2023)
  A risk science perspective on vaccines.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.14228
- Vora, Mehul Arun; Sanni, Steinar; Lyng, Emily; Flage, Roger
  
  (2023)
  Exposure and effects of synthetic enhanced oil recovery polymers on the Norwegian Continental Shelf.
  Regional Studies in Marine Science.
  
  ISSN 2352-4855.
  
  Volum 69.
  
  DOI: 10.1016/j.rsma.2023.103334
- Glette-Iversen, Ingrid; Aven, Terje; Flage, Roger
  
  (2022)
  The concept of plausibility in a risk analysis context: Review and clarifications of defining ideas and interpretations.
  Safety Science.
  
  ISSN 0925-7535.
  
  Volum 147.
  
  DOI: 10.1016/j.ssci.2021.105635
- Vora, Mehul Arun; Njau, John-Sigvard Gamlem; Sanni, Steinar; Flage, Roger
  
  (2022)
  Environmental risk assessment of inter-well partitioning tracer compounds shortlisted for the offshore oil and gas industry.
  Energy exploration & exploitation.
  
  ISSN 0144-5987.
  
  DOI: 10.1177/01445987221097999
- Chivata Cardenas, Ibsen; Flage, Roger; Aven, Terje
  
  (2022)
  Marine geohazards exposed: Uncertainties involved.
  Marine georesources & geotechnology.
  
  ISSN 1064-119X.
  
  Volum 41.
  
  Hefte 6.
  
  s.589-619.
  
  DOI: 10.1080/1064119X.2022.2078252
- Logan, Tom McLeod; Aven, Terje; Guikema, Seth David; Flage, Roger
  
  (2022)
  Risk science offers an integrated approach to resilience.
  Nature Sustainability.
  
  ISSN 2398-9629.
  
  Volum 5.
  
  Hefte 9.
  
  s.741-748.
  
  DOI: 10.1038/s41893-022-00893-w
- Bansal, Surbhi; Metcalfe, Caroline; Flage, Roger; Bjelland, Henrik; Jensen, Anders; Røed, Willy Solberg
  
  (2022)
  Outline of a risk management framework for future transport systems. I: Proceedings of the 32nd European Safety and Reliability Conference (ESREL 2022).
  Research Publishing Services.
  
  ISBN 978-981-18-5183-4.
  
  s.1494-1501.
  
  DOI: 10.3850/978-981-18-5183-4_R25-06-532-c
- Aven, Terje; Flage, Roger
  
  (2022)
  A risk science perspective on liability/guilt and uncertainty judgements in courts.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.14037
- Askeland, Tore; Flage, Roger; Guikema, Seth David
  
  (2021)
  Assessing the risk reducing effect of measures against intelligent attacks: Review and discussion of some common approaches.
  International Journal of Business Continuity and Risk Management (IJBCRM).
  
  ISSN 1758-2164.
  
  Volum 11.
  
  Hefte 1.
  
  s.25-51.
  
  DOI: 10.1504/IJBCRM.2021.113947
- Nyvik, Christine Louise Berner; Flage, Roger; Guikema, Seth David
  
  (2021)
  On the Use of Standards and Guidelines as a Tool to Fulfil Regulatory Requirements.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.13672
- Vora, Mehul Arun; Sanni, Steinar; Flage, Roger
  
  (2021)
  An environmental risk assessment framework for enhanced oil recovery solutions from offshore oil and gas industry.
  Environmental impact assessment review.
  
  ISSN 0195-9255.
  
  Volum 88.
  
  DOI: 10.1016/j.eiar.2020.106512
- Bennett, Jackson; Rachunok, Benjamin; Flage, Roger; Nateghi, Roshanak
  
  (2021)
  Mapping climate discourse to climate opinion: An approach for augmenting surveys with social media to enhance understandings of climate opinion in the United States.
  PLOS ONE.
  
  ISSN 1932-6203.
  
  Volum 16.
  
  Hefte 1.
  
  DOI: 10.1371/journal.pone.0245319
- Rachunok, Benjamin; Bennett, Jackson; Flage, Roger; Nateghi, Roshanak
  
  (2021)
  A path forward for leveraging social media to improve the study of community resilience.
  International Journal of Disaster Risk Reduction.
  
  ISSN 2212-4209.
  
  Volum 59.
  
  DOI: 10.1016/j.ijdrr.2021.102236
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2021)
  Feasibility study of PRA for critical infrastructure risk analysis.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 212.
  
  DOI: 10.1016/j.ress.2021.107643
- Reilly, Allison Coffey; Baroud, Hiba; Flage, Roger; Gerst, Michael D.
  
  (2021)
  Sources of uncertainty in interdependent infrastructure and their implications.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 213.
  
  DOI: 10.1016/j.ress.2021.107756
- Logan, Tom M.; Aven, Terje; Guikema, Seth David; Flage, Roger
  
  (2021)
  The Role of Time in Risk and Risk Analysis: Implications for Resilience, Sustainability, and Management.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  DOI: 10.1111/risa.13733
- Flage, Roger; Askeland, Tore
  
  (2020)
  Assumptions in quantitative risk assessments: When explicit and when tacit?.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 197.
  
  DOI: 10.1016/j.ress.2020.106799
- Bani-Mustafa, Tasneem; Flage, Roger; Vasseur, Dominique; Zhiguo, Zeng; Zio, Enrico
  
  (2020)
  An extended method for evaluating assumptions deviations in quantitative risk assessment and its application to external flooding risk assessment of a nuclear power plant.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 200.
  
  DOI: 10.1016/j.ress.2020.106947
- Zeng, Zhiguo; Bani-Mustafa, Tasneem; Flage, Roger; Zio, Enrico
  
  (2020)
  An integrated risk index accounting for epistemic uncertainty in probability risk assessment.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  DOI: 10.1177/1748006X20968954
- Nyvik, Christine Louise Berner; Falck, Andreas; Flage, Roger
  
  (2020)
  
  An overview of regulatory principles for safety demonstration on the Norwegian Continental Shelf. I: e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15).
  
  Research Publishing Services.
  
  ISBN 9789811485930.
- Smedbold, Hans Thore; Flage, Roger; Røyksund, Marie
  
  (2020)
  
  Individual and overall assessment related to the work environment : Regulatory context and application in the Norwegian petroleum industry. I: e-proceedings of the 30th European Safety and Reliability Conference and 15th Probabilistic Safety Assessment and Management Conference (ESREL2020 PSAM15).
  
  Research Publishing Services.
  
  ISBN 9789811485930.
- Johnson, Caroline Amy; Reilly, Allison; Flage, Roger; Guikema, Seth David
  
  (2020)
  Characterizing the robustness of power-law networks that experience spatially-correlated failures.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  DOI: 10.1177/1748006X20974476
- Aven, Terje; Flage, Roger
  
  (2020)
  Foundational challenges for advancing the field and discipline of risk analysis.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  Volum 40.
  
  Hefte S1.
  
  s.2128-2136.
  
  DOI: 10.1111/risa.13496
- Stødle, Kaia; Metcalfe, Caroline Amy; Brunner, Logan; Saliani, Julian; Flage, Roger; Guikema, Seth David
  
  (2020)
  Dependent infrastructure system modeling: A case study of the St. Kitts power and water distribution systems.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  DOI: 10.1016/j.ress.2020.107421
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2019)
  Characterising the robustness of coupled power-law networks.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 191.
  
  s.1-14.
  
  DOI: 10.1016/j.ress.2019.106560
- Flage, Roger
  
  (2019)
  Implementing an uncertainty-based risk conceptualisation in the context of environmental risk assessment, with emphasis on the bias of uncertain assumptions.
  Civil Engineering and Environmental Systems.
  
  ISSN 1028-6608.
  
  Volum 36.
  
  Hefte 2-4.
  
  s.149-171.
  
  DOI: 10.1080/10286608.2019.1702029
- Flage, Roger
  
  (2018)
  Maintenance optimization and its relation to safety. I: Handbook of Safety Principles.
  John Wiley & Sons.
  
  ISBN 978-1-118-95069-2.
  
  s.540-564.
  
  DOI: 10.1002/9781119443070.ch24
- Aven, Terje; Flage, Roger
  
  (2018)
  Risk assessment with broad uncertainty and knowledge characterisation : an illustrating case study. I: Knowledge in risk assessment and management.
  John Wiley & Sons.
  
  ISBN 9781119317890.
  
  s.3-26.
  
  DOI: 10.1002/9781119317906.ch1
- Flage, Roger; Berner, Christine Louise
  
  (2018)
  Treatment and Communication of Uncertain Assumptions in (Semi-)quantitative Risk Assessment. I: Knowledge in risk assessment and management.
  John Wiley & Sons.
  
  ISBN 9781119317890.
  
  s.49-79.
  
  DOI: 10.1002/9781119317906.ch3
- Bjerga, Torbjørn; Aven, Terje; Flage, Roger
  
  (2018)
  Completeness Uncertainty: Conceptual Clarification and Treatment . I: Knowledge in risk assessment and management.
  John Wiley & Sons.
  
  ISBN 9781119317890.
  
  s.127-141.
  
  DOI: 10.1002/9781119317906.ch6
- Røyksund, Marie; Flage, Roger
  
  (2018)
  When Is a Risk Assessment Deficient According to an Uncertainty-Based Risk Perspective?.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  Volum 39.
  
  Hefte 4.
  
  s.761-776.
  
  DOI: 10.1111/risa.13195
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2018)
  
  Case study of the effects of Hurricanes on the coupled electricity and water systems of St Kitts. I: Safety and Reliability – Safe Societies in a Changing World. Proceedings of ESREL 2018, June 17-21, 2018, Trondheim, Norway.
  
  CRC Press.
  
  ISBN 9781351174657.
  
  s.2119-2125.
- Falck, Andreas; Flage, Roger; Aven, Terje
  
  (2017)
  
  Barrier indicators vs risk—informing operational risk management. I: Risk, Reliability and Safety: Innovating Theory and Practice : Proceedings of ESREL 2016 (Glasgow, Scotland, 25-29 September 2016).
  
  CRC Press.
  
  ISBN 9781138029972.
  
  s.758-765.
- Askeland, Tore; Flage, Roger; Aven, Terje
  
  (2017)
  Moving beyond probabilities - Strength of knowledge characterisations applied to security.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 159.
  
  s.196-205.
  
  DOI: 10.1016/j.ress.2016.10.035
- Berner, Christine Louise; Flage, Roger
  
  (2017)
  Creating risk management strategies based on uncertain assumptions and aspects from assumption-based planning.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 167.
  
  s.10-19.
  
  DOI: 10.1016/j.ress.2017.05.009
- Flage, Roger; Aven, Terje; Berner, Christine Louise
  
  (2017)
  A comparison between a probability bounds analysis and a subjective probability approach to express epistemic uncertainties in a risk assessment context - A simple illustrative example.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 169.
  
  s.1-10.
  
  DOI: 10.1016/j.ress.2017.07.016
- Amundrud, Øystein; Aven, Terje; Flage, Roger
  
  (2017)
  How the definition of security risk can be made compatible with safety definitions.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  Volum 231.
  
  Hefte 3.
  
  s.286-294.
  
  DOI: 10.1177/1748006X17699145
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2017)
  
  Review of network-theoretic approaches to characterise interdependencies in critical infrastructures. I: Safety & Reliability, Theory and Applications.
  
  CRC Press.
  
  ISBN 978-1138629370.
  
  s.765-772.
- Hafver, A.; Eldevik, S.; Jakopanec, Irena; Drugan, Ovidiu Valentin; Pedersen, FB; Flage, Roger; Aven, Terje
  
  (2017)
  Risk-based versus control-based safety philosophy in the context of complex systems. I: Safety & Reliability, Theory and Applications.
  CRC Press.
  
  ISBN 978-1138629370.
  
  s.217-225.
  
  DOI: 10.1201/9781315210469-30
- Berner, Christine Louise; Flage, Roger
  
  (2016)
  Strengthening quantitative risk assessments by systematic treatment of uncertain assumptions.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 151.
  
  s.46-59.
  
  DOI: 10.1016/j.ress.2015.10.009
- Flage, Roger; Dubois, Didier; Aven, Terje
  
  (2016)
  Combined analysis of unique and repetitive events in quantitative risk assessment.
  International Journal of Approximate Reasoning.
  
  ISSN 0888-613X.
  
  Volum 70.
  
  s.68-78.
  
  DOI: 10.1016/j.ijar.2015.12.008
- Berner, Christine Louise; Flage, Roger
  
  (2016)
  Comparing and integrating the NUSAP notational scheme with an uncertainty based risk perspective.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 156.
  
  s.185-194.
  
  DOI: 10.1016/j.ress.2016.08.001
- Berner, Christine Louise; Staid, Andrea; Flage, Roger; Guikema, Seth David
  
  (2016)
  The use of simulation to reduce the domain of “black swans” with application to hurricane impacts to power systems.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  Volum 37.
  
  Hefte 10.
  
  s.1879-1897.
  
  DOI: 10.1111/risa.12742
- Askeland, Tore; Flage, Roger
  
  (2015)
  
  Utilizing knowledge-to-number-processes in smaller and less resource intensive risk assessments. I: Safety and Reliability : Methodology and Applications: Proceedings of the European safety and reliability Conference, ESREL 2014, Poland, 14-18 september 2014.
  
  Taylor & Francis.
  
  ISBN 978-1-138-02681-0.
  
  s.1439-1446.
- Flage, Roger; Aven, Terje
  
  (2015)
  Emerging risk - Conceptual definition and a relation to black swan type of events.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 144.
  
  s.61-67.
  
  DOI: 10.1016/j.ress.2015.07.008
- Falck, Andreas; Flage, Roger; Aven, Terje
  
  (2015)
  Risk assessment of oil and gas facilities during operational phase. I: Safety and Reliability of Complex Engineered Systems.
  CRC Press.
  
  ISBN 9781138028791.
  
  DOI: 10.1201/b19094-52
- Hafver, Andreas; Lindberg, D.V; Jakopanec, Irena; Pedersen, Frank Børre; Flage, Roger; Aven, Terje
  
  (2015)
  
  Risk-from concept to decision making. I: Safety and Reliability of Complex Engineered Systems.
  
  CRC Press.
  
  ISBN 9781138028791.
- Lindberg, D.V; Hafver, Andreas; Jakopanec, Irena; Pedersen, Frank Børre; Flage, Roger; Aven, Terje
  
  (2015)
  
  Separating variability from uncertainty when treating critical assumptions in risk assessments. I: Safety and Reliability of Complex Engineered Systems.
  
  CRC Press.
  
  ISBN 9781138028791.
- Berner, Christine Louise; Flage, Roger
  
  (2015)
  
  Qualitative versus quantitative treatment of uncertainty factors in risk assessment. I: Safety and Reliability : Methodology and Applications: Proceedings of the European safety and reliability Conference, ESREL 2014, Poland, 14-18 september 2014.
  
  Taylor & Francis.
  
  ISBN 978-1-138-02681-0.
- Flage, Roger; Amundrud, Øystein; Wiencke, Hermann Steen
  
  (2015)
  
  Overall regional risk analysis of four Norwegian municipalities. I: Safety and Reliability : Methodology and Applications: Proceedings of the European safety and reliability Conference, ESREL 2014, Poland, 14-18 september 2014.
  
  Taylor & Francis.
  
  ISBN 978-1-138-02681-0.
  
  s.361-369.
- Bjerga, Torbjørn; Flage, Roger
  
  (2014)
  On black swans in relation to some common uncertainty classification systems. I: Safety, reliability and risk analysis : beyond the horizon : proceedings of the European Safety and Reliability Conference, ESREL 2013, Amsterdam, the Netherlands, 29 September-2 October 2013.
  CRC Press.
  
  ISBN 978-1-138-00123-7.
  
  s.3197-3202.
  
  DOI: 10.1201/b15938-484
- Flage, Roger; Aven, Terje; Zio, Enrico; Baraldi, Piero
  
  (2014)
  Concerns, Challenges, and Directions of Development for the Issue of Representing Uncertainty in Risk Assessment.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  Volum 34.
  
  Hefte 7.
  
  s.1196-1207.
  
  DOI: 10.1111/risa.12247
- Flage, Roger
  
  (2014)
  A delay time model with imperfect and failure-inducing inspections.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 124.
  
  s.1-12.
  
  DOI: 10.1016/j.ress.2013.11.009
- Aven, Terje; Baraldi, Piero; Flage, Roger; Zio, Enrico
  
  (2014)
  
  Uncertainty in Risk Assessment - The Representation and Treatment of Uncertainties by Probabilistic and Non-Probabilistic Methods.
  
  John Wiley & Sons.
  
  ISBN 978-1-118-48958-1.
- Flage, Roger; Baraldi, Piero; Zio, Enrico; Aven, Terje
  
  (2013)
  Probability and Possibility-Based Representations of Uncertainty in Fault Tree Analysis.
  Risk Analysis.
  
  ISSN 0272-4332.
  
  Volum 33.
  
  Hefte 1.
  
  s.121-133.
  
  DOI: 10.1111/j.1539-6924.2012.01873.x
- Flage, Roger
  
  (2013)
  On risk reduction principles in the context of maintenance optimisation modelling.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  Volum 227.
  
  Hefte 3.
  
  s.241-250.
  
  DOI: 10.1177/1748006X13489954
- Aven, Terje; Flage, Roger; Baraldi, Piero; Zio, Enrico
  
  (2012)
  
  On imprecision in relation to uncertainty importance measures. I: Advances in Safety, Reliability and Risk Management - proceedings of the European Safety and Reliability Conference, ESREL 2011.
  
  CRC Press.
  
  ISBN 978-0-415-68379-1.
  
  s.2250-2255.
- Flage, Roger; Coit, David W.; Luxhøj, James T.; Aven, Terje
  
  (2012)
  Safety constraints applied to an adaptive Bayesian condition-based maintenance optimization model.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 102.
  
  s.16-26.
  
  DOI: 10.1016/j.ress.2012.01.006
- Flage, Roger; Aven, Terje; Baraldi, Piero; Zio, Enrico
  
  (2012)
  An imprecision importance measure for uncertainty representations interpreted as lower and upper probabilities, with special emphasis on possibility theory.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  Volum 226.
  
  Hefte O6.
  
  s.656-665.
  
  DOI: 10.1177/1748006X12467591
- Flage, Roger; Røed, Willy
  
  (2012)
  
  A Reflection On Some Practices In The Use of Risk Matrices. I: 11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, 25-29 June 2012, Helsinki, Finland.
  
  Curran Associates, Inc..
  
  ISBN 978-1-62276-436-5.
- Flage, Roger
  
  (2012)
  
  Maintenance Optimisation and the ALARP Principle – Review and Discussion. I: 11th International Probabilistic Safety Assessment and Management Conference and the Annual European Safety and Reliability Conference 2012, 25-29 June 2012, Helsinki, Finland.
  
  Curran Associates, Inc..
  
  ISBN 978-1-62276-436-5.
- Flage, Roger; Aven, Terje
  
  (2011)
  Optimal periodic condition inspection and replacement policy for a binary monotone system using a counting process approach.
  Proceedings of the Institution of Mechanical Engineers. Part O, Journal of risk and reliability.
  
  ISSN 1748-006X.
  
  Volum 205.
  
  Hefte 2.
  
  s.161-168.
  
  DOI: 10.1177/1748006XJRR348
- Nøkland, Thor Erik; Flage, Roger; Aven, Terje
  
  (2010)
  
  A risk management approach to a maintenance decision for an ageing system. I: Reliability, Risk and Safety. Theory and Applications.
  
  CRC Press.
  
  ISBN 978-0-415-55509-8.
  
  s.517-524.
- Aven, Terje; Flage, Roger; Baraldi, P.; Ameruso, F.; Zio, Enrico
  
  (2010)
  
  Handling epistemic uncertainties in fault tree analysis by probabilistic and possibilistic approaches. I: Reliability, Risk and Safety. Theory and Applications.
  
  CRC Press.
  
  ISBN 978-0-415-55509-8.
  
  s.1761-1768.
- Flage, Roger; Baraldi, P.; Zio, Enrico; Aven, Terje
  
  (2010)
  
  Possibility-probability transformation in comparing different approaches to the treatment of epistemic uncertainties in a fault tree analysis. I: Reliability, risk and safety : back to the future.
  
  CRC Press.
  
  ISBN 978-0-415-60427-7.
  
  s.1605-1612.
- Selvik, Jon Tømmerås; Flage, Roger; Aven, Terje
  
  (2010)
  
  The use of maintenance optimization modelsan empirical study from the Norwegian oil and gas industry. I: Reliability, risk and safety : back to the future.
  
  CRC Press.
  
  ISBN 978-0-415-60427-7.
  
  s.1280-1287.
- Flage, Roger; Aven, Terje
  
  (2009)
  On treatment of uncertainty in system planning.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 94.
  
  Hefte 4.
  
  s.884-890.
  
  DOI: 10.1016/j.ress.2008.09.011
- Aven, Terje; Flage, Roger
  
  (2009)
  Use of decision criteria based on expected values to support decision-making in a production assurance and safety setting.
  Reliability Engineering & System Safety.
  
  ISSN 0951-8320.
  
  Volum 94.
  
  Hefte 9.
  
  s.1491-1498.
  
  DOI: 10.1016/j.ress.2009.02.007
- Flage, Roger; Aven, Terje
  
  (2009)
  
  Expressing and communicating uncertainty in relation to quantitative risk analysis (QRA).
  
  Reliability: Theory & Applications.
  
  ISSN 1932-2321.
  
  Volum 2.
  
  Hefte 2.
  
  s.9-18.
- Flage, Roger; Aven, Terje; Zio, Enrico
  
  (2009)
  
  Alternative representations of uncertainty in system reliability and risk analysy : review and discussion. I: Safety, Reliability and Risk Analysis: Theory, Methods and Applications.
  
  CRC Press.
  
  ISBN 978-0-415-48516-6.
  
  s.2081-2091.
- Aven, Terje; Østrem, John Stian; Thevik, Håvard J.; Flage, Roger
  
  (2009)
  
  Risk communication and addressing uncertainties in risk assessments : presentation of a framework. I: Local management and its impact on safety culture and safety within Norwegian shipping.
  
  CRC Press.
  
  ISBN 978-0-415-48513-5.
  
  s.1335-1340.
- Flage, Roger; Aven, Terje
  
  (2009)
  
  Condition-based maintenance optimisation for a binary monotone system using a counting process approach. I: Reliability, risk and safety : theory and applications : supplement [of the European Safety and Reliability Conference], ESREL 2009, Prague, Czech Republic, 7-10 September 2009 / editors: Radim Bri?, C. Guedes Soares, Sebastián Martorell.
  
  European Safety and Reliability Association.
  
  ISBN 9788024820484.
  
  s.5-13.
- Flage, Roger; Aven, Terje; Osmundsen, Petter
  
  (2007)
  
  On how to evaluate decision alternatives in production and transportation systems. I: Risk, reliability and societal safety : proceedings of the European Safety and Reliability Conference 2007 (ESREL 2007), Stavanger, Norway, 25-27 June 2007.
  
  Taylor & Francis.
  
  s.511-518.
Bøker og kapitler
- van der Meulen, Meine J. P.; Myhrvold, Tore; Haugen, Odd Ivar; Lundteigen, Mary Ann; Berg, Kristin; Hafver, Andreas; Kvinnesland, Kenneth; Pedersen, Frank Børre; Zikrullah, Nanda Anugrah; Falck, Andreas; Flage, Roger; Søgård, Bjørn; Nyvik, Christine Louise Berner; Kim, Hyungjun
  
  (2022)
  
  Demonstrating safety of software-dependent systems: With examples from subsea electric technology (Safety 4.0).
  
  ISBN 978-82-515-0323-5.
- Vora, Mehul Arun; Sanni, Steinar; Flage, Roger
  
  (2021)
  
  Environmental Risk Assessment (ERA) of IOR solutions on the Norwegian Continental Shelf .
  
  Universitetet i Stavanger.
- Abrahamsen, Eirik Bjorheim; Aven, Terje; Engen, Ole Andreas Hegland; Flage, Roger; Røed, Willy Solberg; Wienche, Herman Steen
  
  (2020)
  
  Petroleumstilsynet. Bruk av risikoakseptkriterier. En evaluering.
- Storstein, Birgitte; Hagen, Bjarne Chr
  
  (2014)
  
  Usikkerhet knyttet til prediksjon av brannforløp og tilgjengelig rømningstid.
  
  Universitetet i Stavanger.
- Walaker, Siri Herlin; Hagen, Bjarne Chr
  
  (2014)
  
  Usikkerhet knyttet til predikering av nødvendig rømningstid ved brann.
  
  Universitetet i Stavanger.
Formidling
- Flage, Roger
  
  (2024)
  
  Risk science, an uncertainty-based risk perspective, and the use of the term «real risk».
  
  ROCK Sessions 2024;
  
  2024-04-16.
- Aven, Terje; Flage, Roger; Glette-Iversen, Ingrid
  
  (2023)
  
  Risk science – what we have achieved, where are we heading? .
  
  Future of Risk Analysis;
  
  2023-12-07.
- Flage, Roger; Glette-Iversen, Ingrid; Aven, Terje
  
  (2023)
  
  On the use of the term “real risk”.
  
  Society for Risk Analysis Annual Meeting 2023;
  
  2023-12-10 - 2023-12-14.
- Flage, Roger
  
  (2021)
  
  Risikoanalyse og risikostyring i et bedriftsperspektiv.
  
  Webinar om risikoanalyse og risikostyring;
  
  2021-02-12.
- Flage, Roger
  
  (2021)
  
  An uncertainty-based risk perspective.
  
  RISKY concept diving: The definition of risk;
  
  2021-05-21.
- Flage, Roger
  
  (2021)
  
  Being a Young Risk Scientist.
  
  SRA Webinar Series;
  
  2021-10-06.
- Guikema, Seth David; Flage, Roger
  
  (2021)
  
  U.S. National Risk Index - A Foundational Review.
  
  European Safety and Reliability Conference 2021 (ESREL 2021);
  
  2021-09-19 - 2021-09-23.
- Vora, Mehul Arun; Gamlem Njau, John-Sigvard; Sanni, Steinar; Flage, Roger
  
  (2021)
  
  Environmental risk assessment of inter-well partitioning tracer compounds shortlisted for offshore oil and gas industry.
  
  Poster;
  
  2021-12-05 - 2021-12-09.
- Aven, Terje; Flage, Roger
  
  (2020)
  
  Hva betyr det at det er «trygt» å gå i butikken under koronapandemien?.
  
  Stavanger Aftenblad.
  
  ISSN 0804-8991.
- Nyvik, Christine Louise Berner; Flage, Roger; Falck, Andreas
  
  (2020)
  
  AN OVERVIEW OF REGULATORY PRINCIPLES FOR SAFETY DEMONSTRATION ON THE NORWEGIAN CONTINENTAL SHELF.
  
  ESREL & PSAM 2020;
  
  2020-11-01 - 2020-11-05.
- Flage, Roger
  
  (2020)
  
  Kåret til årets risikoanalytiker: - Jeg går ikke ytterst på fjellkanten.
- Flage, Roger
  
  (2020)
  
  - Pandemi var identifisert som risiko, men beredskapen var ikke på plass.
- Flage, Roger
  
  (2019)
  
  Risk analysis: Foundations and IOR applications.
  
  IOR NORWAY 2019;
  
  2019-03-19 - 2019-03-20.
- Bredesen, Rolv Erlend; Butt, Bushra; Flage, Roger
  
  (2019)
  
  National Norwegian Guidelines: Ice-throw hazard.
  
  Winterwind 2019;
  
  2019-02-05 - 2019-02-06.
- Flage, Roger
  
  (2019)
  
  Tacit and explicit assumptions: Conceptual clarification and environmental risk assessment applications.
  
  ARCEx Annual Conference 2019;
  
  2019-10-22 - 2019-10-24.
- Vora, Mehul Arun; Sanni, Steinar; Flage, Roger; Madland, Merete Vadla
  
  (2019)
  
  Environmental risk assessment of Smart Water EOR. .
  
  OG 21 Conference;
  
  2019-11-12.
- Flage, Roger
  
  (2019)
  
  Current foundational issues in the field of risk analysis.
  
  Society for Risk Analysis (SRA) Annual Meeting 2019;
  
  2019-12-08 - 2019-12-12.
- Stødle, Kaia; Chen, Thomas Y. J.; Flage, Roger; Guikema, Seth David
  
  (2019)
  
  Pipe break hotspot identification and predictions in a water distribution network.
  
  Society for Risk Analysis (SRA) Annual Meeting 2019;
  
  2019-10-19 - 2019-10-23.
- Flage, Roger
  
  (2018)
  
  Explicit and tacit assumptions in risk assessments.
  
  Lunchseminar ved Avdelningen för Riskhantering och Samhällssäkerhet;
  
  2018-01-24.
- Flage, Roger
  
  (2018)
  
  Hvordan evaluere en risikovurdering?.
  
  Risikodag;
  
  2018-02-02.
- Flage, Roger
  
  (2018)
  
  Systemising and treating uncertain assumptions in quantitative risk assessments.
  
  Jeudis du LGI;
  
  2018-02-22.
- Flage, Roger; Aven, Terje
  
  (2018)
  Some brief concluding remarks in relation to the discussion with Floris Goerlandt and Genserik Reniers about strength of knowledge (strength of evidence) judgments in semi-quantitative risk analysis.
  Safety Science.
  
  ISSN 0925-7535.
  
  Volum 108.
  
  s.237-237.
  
  DOI: 10.1016/j.ssci.2017.08.005
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth
  
  (2018)
  
  Case study of the effects of hurricanes on the coupled electricity and water systems of St Kitts.
  
  European Safety and Reliability Conference 2018;
  
  2018-06-17 - 2018-06-21.
- Flage, Roger; Johnson, Caroline Amy; Guikema, Seth David
  
  (2018)
  
  Conceptualisations of risk, vulnerability and related concepts in infrastructure research.
  
  4th SRA Nordic Conference;
  
  2018-11-07 - 2018-11-09.
- Stødle, Kaia; Johnson, Caroline Amy; Brunner, Logan; Saliani, Julian; Flage, Roger; Guikema, Seth David
  
  (2018)
  
  Interdependent infrastructure system risk analysis of the real-world power and water distribution system at St. Kitts.
  
  4th SRA Nordic Conference;
  
  2018-11-07 - 2018-11-09.
- Johnson, Caroline Amy; Reilly, Allison; Flage, Roger; Guikema, Seth David
  
  (2018)
  
  Characterising the robustness of power-law networks given spatially-correlated disruptions.
  
  4th SRA Nordic Conference;
  
  2018-11-07 - 2018-11-09.
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth
  
  (2018)
  
  Characterising the Robustness of Coupled Power-Law Networks.
  
  Society for Risk Analysis (SRA) Annual Meeting 2018;
  
  2018-12-02 - 2018-12-06.
- Askeland, Tore; Flage, Roger
  
  (2018)
  
  Explicit and tacit assumptions in risk assessment – some examples and assessment strategies.
  
  Society for Risk Analysis (SRA) Annual Meeting 2018;
  
  2018-12-02 - 2018-12-06.
- Stødle, Kaia; Flage, Roger; Guikema, Seth David
  
  (2018)
  
  Data-driven modeling in risk analysis – Review and discussion.
  
  Society for Risk Analysis (SRA) Annual Meeting 2018;
  
  2018-12-02 - 2018-12-06.
- Flage, Roger
  
  (2018)
  
  Prudent risk analysis [roundtable introduction].
  
  Society for Risk Analysis (SRA) Annual Meeting 2018;
  
  2018-12-02 - 2018-12-06.
- Flage, Roger; Aven, Terje
  
  (2017)
  Comments to the article by Goerlandt & Reniers titled “On the assessment of uncertainty in risk diagrams” [Safety Sci. 84 (2016) 67–77].
  Safety Science.
  
  ISSN 0925-7535.
  
  Volum 98.
  
  s.9-11.
  
  DOI: 10.1016/j.ssci.2017.04.007
- Flage, Roger
  
  (2017)
  
  Risk analysis: Foundations and Arctic applications.
  
  ARCEx Annual Conference 2017;
  
  2017-05-10 - 2017-05-11.
- Flage, Roger
  
  (2017)
  
  Nye metoder for å håndtere usikkerhet og beskrive kunnskapsgrunnlaget i risikoanalyser.
  
  Risikoforståelse - nøkkelen til bedre risikoanalyser og -styring;
  
  2017-05-30.
- Flage, Roger
  
  (2017)
  
  The uncertainty and knowledge dimensions in risk assessment and management.
  
  European Safety and Reliability Conference (ESREL) 2017;
  
  2017-08-18 - 2017-08-22.
- Flage, Roger
  
  (2017)
  
  The uncertainty and knowledge dimensions in risk assessment.
  
  Society for Risk Analysis Annual Meeting 2017;
  
  2017-12-10 - 2017-12-14.
- Flage, Roger
  
  (2017)
  
  Risk assessment assumptions - Uncertainty and bias.
  
  Society for Risk Analysis Annual Meeting 2017;
  
  2017-12-10 - 2017-12-14.
- Guikema, Seth; Flage, Roger
  
  (2017)
  
  Data Analytics, Risk Analysis, and Uncertainty.
  
  Society for Risk Analysis Annual Meeting 2017;
  
  2017-12-10 - 2017-12-14.
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2017)
  
  Review of Network-Theoretic Approaches to Characterise Interdependencies in Critical Infrastructure.
  
  27th International European Safety and Reliability Conference;
  
  2017-06-18 - 2017-06-22.
- Johnson, Caroline Amy; Flage, Roger; Guikema, Seth David
  
  (2017)
  
  The effects of hurricanes on power and water infrastructure of St Kitts.
  
  Society for Risk Analysis Annual Meeting 2017;
  
  2017-12-10 - 2017-12-14.
- Flage, Roger; Guikema, Seth David
  
  (2016)
  
  Conceptualizing and handling uncertainty in predictive data models for risk analysis.
  
  Society for Risk Analysis (SRA) 2016 Annual Meeting;
  
  2016-12-11 - 2016-12-15.
- Flage, Roger
  
  (2015)
  
  Litt om risiko- og sårbarhetsanalyser.
  
  HMS-opplæring ved Universitetet i Stavanger 2015;
  
  2015-02-02.
- Flage, Roger; Aven, Terje
  
  (2015)
  
  Assumptions in quantitative risk assessments: when explicit and when tacit?.
  
  Society for Risk Analysis (SRA) Annual Meeting 2015;
  
  2015-12-06 - 2015-12-10.
- Berner, Christine Louise; Flage, Roger
  
  (2015)
  
  The NUSAP notational scheme and semi-quantitative risk assessments.
  
  Society of Risk Analysis Annual Meeting 2015;
  
  2015-12-06 - 2015-12-09.
- Flage, Roger
  
  (2014)
  
  Risiko og usikkerhet – Konsepavklaringer og refleksjoner i lys av Ptils forslag til ny risikodefinisjon.
  
  Avdelingsmøte HSEQ, GDF SUEZ E&P Norge AS;
  
  2014-01-21.
- Flage, Roger; Amundrud, Øystein; Wiencke, Hermann Steen
  
  (2014)
  
  Overall regional risk and vulnerability analysis of four Norwegian municipalities.
  
  European Safety and Reliability Conference (ESREL) 2014;
  
  2014-09-14 - 2014-09-18.
- Flage, Roger
  
  (2014)
  
  Noen refleksjoner om risiko- og sårbarhetsanalyser.
  
  Høstsamling brannvernkontaktene ved Universitetet i Stavanger;
  
  2014-11-25.
- Flage, Roger
  
  (2014)
  
  Risiko: Sorte svaner og perfekte stormer.
  
  Åpent universitet;
  
  2014-09-28.
- Flage, Roger; Aven, Terje
  
  (2014)
  
  Defining emerging risk.
  
  Society for Risk Analysis (SRA) Annual Meeting 2014;
  
  2014-12-07 - 2014-12-10.
- Berner, Christine Louise; Staid, Andrea; Flage, Roger; Guikema, Seth David
  
  (2014)
  
  Reducing the Domain of Black Swans using Model Simulations.
  
  Society of Risk Analysis Annual Meeting;
  
  2014-12-07 - 2014-12-11.
- Berner, Christine Louise; Flage, Roger
  
  (2014)
  
  Quantitative vs. qualitative treatment of uncertain assumptions in risk assessment.
  
  The annual European Safety and Reliability Conference ESREL ;
  
  2014-09-14 - 2014-09-20.
- Flage, Roger; Aven, Terje; Zio, Enrico; Baraldi, Piero
  
  (2013)
  
  Concerns, challenges and directions of development for the issue of representing uncertainty in risk assessment.
  
  SRA 2013 Annual Meeting;
  
  2013-12-08 - 2013-12-11.
- Flage, Roger; Aven, Terje; Baraldi, Piero; Zio, Enrico
  
  (2011)
  
  On imprecision in relation to uncertainty importance measures.
  
  European Safety and Reliability (ESREL) conference 2011;
  
  2011-09-18 - 2011-09-22.
- Flage, Roger
  
  (2011)
  
  ISO 31000:2009 og ISO Guide 73 - noen refleksjoner rundt terminologi og anvendelse innen helhetlig risikostyring.
  
  Risiko og sikkerhet i IKT-systemer;
  
  2011-03-08 - 2011-03-09.
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