Department of Basic Sciences in Civil Engineering, Engineering Mathematics Section

Lectures 2022

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Computing Upper Probabilities using Global Optimization Algorithms together with Importance Sampling Techniques.
  15th World Congress on Computational Mechanics, Yokohama, online, 2022-08-01. (Web link)
  
  

Lectures 2021

Presentations at Conferences, Symposia, etc.

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Computing Upper Probabilities Using Global Optimization Algorithms Together With Importance Sampling Techniques.
  12th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA 21), Granada, 2021-06-07. (Web link)
  
  

Publications 2019

(Co-)Edited Books

Proceedings (Editorship)

• 
  Unterkofler, Karl; Fetz, Thomas (2019): ÖMG Conference 2019, Program and Book of Abstracts. University of Applied Sciences Vorarlberg, September 16-20 2019. Österreichische Mathematische Gesellschaft - ÖMG. (Web link)
  
  

Contributions to Books / Journals

Journal Article (Proceedings Paper)

• 
  Fetz, Thomas (2019): Improving the Convergence of Iterative Importance Sampling for Computing Upper and Lower Expectations.
  In: Proceedings of Machine Learning Research (PMLR) 103, pp. 185 - 193. (Web link)
  
  

Proceedings Article (Abstract)

• 
  Fetz, Thomas; Troffaes Matthias C. M.; Oberguggenberger Michael (2019): Computing upper probabilities of failure using Monte Carlo simulation, reweighting techniques and fixed point iteration.
  In: Unterkofler, Karl; Fetz, Thomas: ÖMG Conference 2019, Program and Book of Abstracts. University of Applied Sciences Vorarlberg, September 16-20 2019. Österreichische Mathematische Gesellschaft - ÖMG., p. 150. (Web link)
  
  

Lectures 2019

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Improving the Convergence of Iterative Importance Sampling for Computing Upper and Lower Expectations.
  20th International Symposium on Imprecise Probabilities: Theories and Applications, Ghent, 2019-07-03. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas: Computing upper probabilities of failure using Monte Carlo simulation, reweighting techniques and fixed point iteration.
  7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2019) and 3rd International Conference on Uncertainty Quantification in Computational Sciences and Engineering (UNCECOMP 2019), Kreta, 2019-06-24. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas Co-author(s): Troffaes, Matthias C. M.; Oberguggenberger, Michael: Computing upper probabilities of failure using Monte Carlo simulation, reweighting techniques and fixed point iteration.
  ÖMG Conference 2019, Dornbirn, 2019-09-16. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Improving the Convergence of Iterative Importance Sampling for Computing Upper and Lower Expectations.
  20th International Symposium on Imprecise Probabilities: Theories and Applications, Ghent, 2019-07-03. (Web link)
  
  

Publications 2018

Contributions to Books / Journals

Proceedings Article (Full Paper)

• 
  Sadeghi, J.; De Angelis, M.; Patelli, E.; Fetz, Thomas; Oberguggenberger, Michael (2018): Probability Box Propagation: Benchmarking Challenge Problems.
  In: Sudret, Bruno; Marelli, Stefano: Reliability and Optimization of Structural Systems. Proceedings of the 19th IFIP WG-7.5 conference on Reliability and Optimization of Structural System. ETH Zurich, Zurich, Switzerland, June 26-29, 2018. Zürich: ETH Zürich., ISBN 978–3–906916–56–9, pp. 41 - 47. (DOI) (Web link)
  
  
• 
  Troffaes, Matthias; Fetz, Thomas; Oberguggenberger, Michael (2018): Iterative importance sampling for estimating expectation bounds under partial probability specications.
  In: De Angelis, Marco: REC 2018 -Proceedings of the 8th International Workshop on Reliable Engineering Computing. Liverpool: Liverpool University Press., pp. 147 - 154. (Web link)
  
  

Proceedings Article (Abstract)

• 
  Sadeghi, Jonathan; Patelli, Edoardo; de Angelis, Marco; Fetz, Thomas; Oberguggenberger, Micheal (2018): Probability Box Propagation: Benchmarking Challenge Problems.
  In: Sudret, B.; Marelli, S.; Wagner, P.-R.; Neuhaus, M.: 19th working conference of the IFIP Working Group 7.5 on Reliability and Optimization of Structural Systems (IFIP 2018). Book of Abstracts. June 26-29, 2018, ETH Zurich. Zürich: ETH Zürich., p. 17. (Web link)
  
  

Lectures 2018

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Efficient computation of upper probabilities of failure using Monte Carlo simulation and
  reweighting techniques.
  89th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2018), München, 2018-03-20. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas Co-author(s): Oberguggenberger, Michael; Troffaes, M.: Iterative importance sampling for estimating expectation bounds under partial probability specifications.
  8th International Workshop on Reliable Engineering Computing (REC2018), Liverpool, 2018-07-17. (Web link)
  
  

Individual Lectures (professional development / knowledge transfer)

Lecture (Knowledge Transfer / Further Education)

• 
  Lecturer(s): Oberguggenberger, Michael; Fetz, Thomas: Statistik / Wahrscheinlichkeitstheorie / Risikoanalyse.
  dokwerk-Doktorandennetzwerk Bau und Immobilie im Lebenszyklus, Innsbruck, 2018-06-14 - 2018-06-16.
  
  

Publications 2017

Contributions to Books / Journals

Proceedings Article (Full Paper)

• 
  Fetz, Thomas (2017): Efficient Computation of Upper Probabilities of Failure.
  In: Bucher, Christian; Ellingwood, Bruce R.; Frangopol, Dan M.: Proceedings of the 12th International Conference on Structural Safety and Reliability (ICOSSAR 2017). Wien: TU-MV Media Verlag GmbH., ISBN 978-3-903024-28-1, pp. 493 - 502.
  
  

Proceedings Article (Abstract)

• 
  Fetz, Thomas (2017): Efficient Computation of Upper Probabilities of Failure.
  In: Bucher, Christian; Ellingwood, Bruce R.; Frangopol, Dan M.: Abstracts of the 12th International Conference on Structural Safety and Reliability (ICOSSAR2017). Vienna, Austria, 6–10 August 2017. Wien: Technische Universität Wien., p. 68.
  
  

Lectures 2017

Presentations at Conferences, Symposia, etc.

Conference Lecture (Invited Lecture)

• 
  Lecturer(s): Fetz, Thomas: Efficient Computation of Upper Probabilities of Failure.
  12th International Conference on Structural Safety & Reliability (ICOSSAR 2017), Wien, 2017-08-07. (Web link)
  
  
• 
  Lecturer(s): Oberguggenberger, M Co-author(s): Fetz, T; Schwarz, M: Monte Carlo simulation with imprecise random variables.
  UNCECOMP 2017 - 2nd International Conference on Uncertainty Quantification in Computational Sciences and Engineering, Rhodos, 2017-06-16. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Efficient Computation of Upper Probabilities of Failure Using Monte Carlo Simulation and Reweighting Techniques.
  10th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '17), Lugano, 2017-07-14. (Web link)
  
  

Individual Lectures (professional development / knowledge transfer)

Lecture (Knowledge Transfer / Further Education)

• 
  Lecturer(s): Oberguggenberger, Michael; Fetz, Thomas: Statistik/Wahrscheinlichkeitstheorie/Risikoanalyse.
  dokwerk-Doktorandennetzwerk Bau und Immobilie im Lebenszyklus, Innsbruck, 2017-01-12 - 2017-01-14.
  
  

Publications 2016

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  Fetz, Thomas; Oberguggenberger, Michael (2016): Imprecise random variables, random sets, and Monte Carlo simulation.
  In: International Journal Of Approximate Reasoning 78, pp. 252 - 264. (DOI)
  
  

Publications 2015

Contributions to Books / Journals

Proceedings Article (Full Paper)

• 
  Fetz, Thomas; Oberguggenberger, Michael (2015): Imprecise random variables, random sets, and Monte Carlo simulation.
  In: Augustin, Thomas; Doria, Serena; Miranda, Enrique; Quaeghebeur, Erik: ISIPTA '15: Proceedings of the Ninth International Symposium on Imprecise Probability: Theories and Applications. Rom: Aracne Editrice., pp. 137 - 146. (Web link)
  
  

Lectures 2015

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Imprecise random variables, random sets, and Monte Carlo simulation.
  9th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '15), Pescara, 2015-07-21. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas Co-author(s): Oberguggenberger, Michael: Monte Carlo simulation with imprecise random variables.
  13th International Probabilistic Workshop (IPW 2015), Liverpool, 2015-11-05. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas Co-author(s): Pfeifer, Chrtistian: Decision strategies for backcountry skiers in avalanche Terrain using fuzzy logic and imprecise probability theory.
  Joint Austrian-Hungarian Mathematical Conference 2015, Gyoer, 2015-08-26. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Imprecise random variables, random sets, and Monte Carlo simulation.
  9th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '15), Pescara, 2015-07-21. (Web link)
  
  

Publications 2014

Contributions to Books / Journals

Proceedings Article (Full Paper)

• 
  Fetz, Thomas (2014): Limit state functions and parameter depending uncertainty described by sets of probability measures.
  In: Deodatis, G.; Ellingwood, B.R.; Frangopol, D.M.: Safety, Reliability, Risk and Life-Cycle Performance of Structures & Infrastructures. Proc. 11th International Conference on Structural Safety and Reliability (ICOSSAR 2013). Boca Raton - [u.a.]: CRC Press., ISBN 978-1-138-00086-5, pp. 423 - 430. (DOI)
  
  

Publications 2013

Contributions to Books / Journals

Proceedings Article (Abstract)

• 
  Fetz, Thomas (2013): Limit state functions and parameter depending uncertainty described by sets of probability measures.
  In: Deodatis, G.; Ellingwood, B.R.; Frangopol, D.M.: 11th International Conference on Structural Safety and Reliability (ICOSSAR 2013). Abstract Book. Columbia: Columbia University., p. 79. (Web link)
  
  
• 
  Fetz, Thomas (2013): Limit state functions and parameter-depending uncertainty described by sets of probability measures.
  In: ÖMG - DMV Congress 2013. 18th ÖMG Congress and Annual DMV Meeting. University of Innsbruck, September 23 – 27, 2013. Österreichische Mathematische Gesellschaft - ÖMG / Innsbruck: Universität Innsbruck., p. 146. (Web link)
  
  
• 
  Fetz, Thomas (2013): Parameter Dependent Uncertainty in Limit State Functions.
  In: Cozman, Fabio; Denoeux, Thierry; Destercke, Sébastien; Seidenfeld, Teddy: Proceedings of the Eighth International Symposium on Imprecise Probability: Theories and Applications (ISIPTA'13). Compiègne: Université de Technologie de Compiègne / University of Technology of Compiègne., ISBN 978-2-913923-35-5, p. 391. (Web link)
  
  

Lectures 2013

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Limit state functions and parameter-depending uncertainty described by sets of probability measures.
  18th ÖMG - DMV Congress 2013, Innsbruck, 2013-09-24. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas: Limit state functions and parameter depending uncertainty described by sets of probability measures.
  11th International Conference on Structural Safety and Reliability (ICOSSAR 2013), New York, 2013-06-17. (Web link)
  
  

Session Chairperson / Discussant

• 
  Fetz, T.; Beer, M.: Chair: Mini Symposium on: Engineering analyses with vague and imprecise information – session III (Organizers: M. Beer, I. Kougioumtzoglou, E. Patelli, K.-K., Phoon & V. Kreinovich).
  11th International Conference on Structural Safety and Reliability (ICOSSAR 2013), New York, 2013-06-17. (Web link)
  
  
• 
  Fetz, Thomas: Chair: Invited Talk: Isaac Elishakoff: Recent advances in modeling uncertainty in applied mechanics.
  8th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '13), Compiègne, 2013-07-03. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Parameter Dependent Uncertainty in Limit State Functions.
  8th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '13), Compiègne, 2013-07-04. (Web link)
  
  

Publications 2012

(Co-)Edited Journals and Book Series

(Co-)Editorship of Book Series and Journals

• 
  Coolen, F.; Fetz, Th.; Moral, S.; Oberguggenberger, M.: Guest Editors Special Issue "Imprecise Probability: Theories and Applications (ISIPTA'11)" - International Journal of Approximate Reasoning, 2011-08-01 - 2012-12-31. (Web link)
  
  

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  Fetz, Thomas (2012): Modelling uncertainties in limit state functions.
  In: International Journal Of Approximate Reasoning 53/1, pp. 1 - 23. (DOI) (Web link)
  
  

Publications 2011

(Co-)Edited Books

Proceedings (Editorship)

• 
  Coolen, F.; De Cooman, G.; Fetz, Th.; Oberguggenberger, M. (2011): Proceedings of the Seventh International Symposium on Imprecise Probabilities (ISIPTA 2011): Theories and Applications. July 25-28, 2011, Innsbruck, Austria. Innsbruck: Studia Universitätsverlag. ISBN 978-3-902652-40-9. (Web link)
  
  

(Co-)Edited Journals and Book Series

(Co-)Editorship of Book Series and Journals

• 
  Coolen, F.; Fetz, Th.; Moral, S.; Oberguggenberger, M.: Guest Editors Special Issue "Imprecise Probability: Theories and Applications (ISIPTA'11)" - International Journal of Approximate Reasoning, 2011-08-01 - 2012-12-31. (Web link)
  
  

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  Fetz, Thomas (2011): Multivariate models and variability intervals: a local random set approach.
  In: International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 19/5, pp. 799 - 823. (DOI) (Web link)
  
  
• 
  Möderl, M.; Sitzenfrei, R.; Fetz, T.; Fleischhacker, E.; Rauch, W. (2011): Systematic generation of virtual networks for water supply.
  In: Water Resources Research 47, p. W02502. (DOI)
  
  

Proceedings Article (Full Paper)

• 
  Fetz, Thomas (2011): An extension of limit state functions by parameterized probability measures.
  In: Faber, Michael; Koehler, Jochen; Nishijima, Kazuyoshi: Applications of Statistics and Probability in Civil Engineering. Proceedings of the 11th International Conference, August 1-4, Zurich, Switzerland. London [u.a.]: Taylor & Francis., ISBN 978-0-415-66986-3, pp. 827 - 835.
  
  
• 
  Fetz, Thomas (2011): Modelling Uncertainties in Limit State Functions.
  In: Coolen, F.; De Cooman, G.; Fetz, Th.; Oberguggenberger, M.: Proceedings of the Seventh International Symposium on Imprecise Probabilities (ISIPTA 2011): Theories and Applications. July 25-28, 2011, Innsbruck, Austria. Innsbruck: Studia Universitätsverlag., ISBN 978-3-902652-40-9, pp. 179 - 188. (Web link)
  
  

Lectures 2011

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): Fetz, Thomas: Modelling Uncertainties in Limit State Functions.
  ÖMG Tagung - CSASC 2011, Krems, 2011-09-28. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas: An extension of limit state functions by parameterized probability measures.
  11th International Conference on Applications of Statistics and Probability in Civil Engineering, Zürich, 2011-08-03. (Web link)
  
  
• 
  Lecturer(s): Fetz, Thomas: Modelling Uncertainties in Limit State Functions.
  7th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '11), Innsbruck, 2011-07-27. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): Fetz, Thomas: Modelling Uncertainties in Limit State Functions.
  7th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '11), Innsbruck, 2011-07-27. (Web link)
  
  

Publications 2010

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  Fetz, Th.; Oberguggenberger, M. (2010): Multivariate Models of Uncertainty: A Local Random Set Approach.
  In: Structural Safety 32/6, pp. 417 - 424. (DOI)
  
  

Proceedings Article (Full Paper)

• 
  FETZ, Thomas; OBERGUGGENBERGER, Michael (2010): Multivariate models for random sets generated by non-parametric methods.
  In: Furuta, Hitoshi; Frangopol, Dan M.; Shinozuka, Masanobu: Safety, Reliability and Risk of Structures, Infrastructures and Engineering Systems. Proceedings of the Tenth International Conference on Structural Safety and Reliability (ICOSSAR2009), Osaka, Japan, 13-17 September 2009. Boca Raton - [u.a.]: CRC Press., ISBN 978-0-415-47557-0, pp. 1246 - 1253.
  
  

Proceedings Article (Abstract)

• 
  FETZ, Thomas; OBERGUGGENBERGER, Michael (2010): Multivariate models for random sets generated by non-parametric methods.
  In: Furuta, Hitoshi; Frangopol, Dan M.; Shinozuka, Masanobu: Safety, Reliability and Risk of Structures, Infrastructures and Engineering Systems. Proceedings of the Tenth International Conference on Structural Safety and Reliability (ICOSSAR2009), Osaka, Japan, 13-17 September 2009. Boca Raton - [u.a.]: CRC Press., ISBN 978-0-415-47557-0, p. 31.
  
  

Publications 2009

Contributions to Books / Journals

Proceedings Article (Full Paper)

• 
  FETZ, Thomas (2009): Multivariate Models and Confidence Intervals: A Local Random Set Approach.
  In: Augustin, Thomas; Coolen, Frank P.A.; Moral, Serafin; Troffaes, M.C.M.: Proceedings of the Sixth International Symposium on Imprecise Probability: Theories and Applications (ISIPTA'09). Lugano: The Society for Imprecise Probability: Theories and Applications (SIPTA)., pp. 199 - 208. (Web link)
  
  

Lectures 2009

Presentations at Conferences, Symposia, etc.

Conference Lecture (Invited Lecture)

• 
  Lecturer(s): FETZ, Thomas: Credal sets and reliability bounds for series systems.
  Second Workshop on Principles and Methods of Statistical Inference with Interval Probability, München, 2009-09-09. (Web link)
  
  

Conference Lecture (Upon Registration)

• 
  Lecturer(s): FETZ, Thomas: Multivariate models for random sets generated by non-parametric methods.
  10th International Conference on Structural Safety and Reliability (ICOSSAR 2009), Osaka, 2009-09-13. (Web link)
  
  
• 
  Lecturer(s): FETZ, Thomas: Multivariate Models and Confidence Intervals: A Local Random Set Approach.
  6th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '09), Durham, 2009-07-15. (Web link)
  
  

Poster Presentation

• 
  Lecturer(s): FETZ, Th.: Multivariate Models and Confidence Intervals: A Local Random Set Approach.
  6th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '09), Durham, 2009-07-15.
  
  

Publications 2008

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  FETZ, Thomas; Tonon, Fulvio (2008): Probability bounds for series systems with variables constrained by sets of probability measures.
  In: International Journal of Reliability and Safety 2/4, pp. 309 - 339.
  
  

Publications 2007

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  Möderl, M.; Fetz, T.; Rauch, W. (2007): Stochastic approach for performance evaluation regarding water distribution systems.
  In: Water Science and Technology 56/9, pp. 29 - 36.
  
  

Proceedings Article (Full Paper)

• 
  FETZ, Th. (2007): Multiparameter models: Probability distributions parameterized by random sets.
  In: DE COOMAN, G.; VEJNAROVÁ, J.; ZAFFALON, M. (eds.): Proceedings of the Fifth International Symposium on Imprecise Probability: Theories and Applications (ISIPTA'07). Held at Charles University, Faculty of Mathematics and Physics Prague, Czech Republic, 16-19 July 2007. Prag: Action M Agency for SIPTA., ISBN 978-80-86742-20-5, pp. 183 - 192.
  
  
• 
  Möderl, Michael; Fetz, Thomas; Rauch, Wolfgang (2007): Stochastic Approach for Performance Evaluation Regarding Water Distribution Systems.
  In: IWA (eds.): Proceedings Watermatex Conference, Washington D.C., 7-9 May. Eigenverlag.
  
  

Lectures 2007

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): FETZ, Thomas: Multiparameter models: Probability distributions parameterized by random sets.
  5th International Symposium on Imprecise Probability: Theories and Applications (ISIPTA '07), Prag, 2007-07-18. (Web link)
  
  

Lectures 2005

Guest Lectures

Guest Lecture

• 
  Lecturer(s): FETZ, Thomas: Modelling uncertainty: Random sets and independence.
  University of Texas at Austin, Austin, TX, 2005-08-04.
  
  

Publications 2004

Contributions to Books / Journals

Journal Article (Original Paper)

• 
  OBERGUGGENBERGER, Michael; Fetz, Thomas (2004): Propagation of uncertainty through multivariate functions in the framework of sets of probability measures.
  In: RELIABILITY ENGINEERING & SYSTEM SAFETY 85, pp. 73 - 87.
  
  

Book Chapter (Original Paper)

• 
  FETZ, Thomas (2004): Multiparameter models: rules and computational methods for combining uncertainties.
  In: Fellin, W.; Lessmann, H.; Oberguggenberger, M.; Vieider, R. (Hrsg.): Analyzing Uncertainty in Civil Engineering. Dordrecht - Heidelberg - London - New York - Berlin: Springer., ISBN 3-540-22246-4, pp. 73 - 100.
  
  

Lectures 2004

Presentations at Conferences, Symposia, etc.

Conference Lecture (Invited Lecture)

• 
  Lecturer(s): FETZ, Thomas: Rules and computational methods for combining uncertainties.
  Workshop Uncertainty Methods, Bristol, 2004-07-22.
  
  

Lectures 2003

Presentations at Conferences, Symposia, etc.

Conference Lecture (Upon Registration)

• 
  Lecturer(s): FETZ, Thomas: Sets of joint probability measures generated by random sets.
  ÖMG Tagung 2003 / 8. Österreichisches Mathematikertreffen, Bozen, 2003-09-26. (Web link)
  
  

Publications 2000

Contributions to Books / Journals

Journal Article (Proceedings Paper)

• 
  FETZ, T.; OBERGUGGENBERGER, M.; PITTSCHMANN, S. (2000): Applications Of Possibility And Evidence Theory In Civil Engineering.
  In: International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 8/3, pp. 295 - 309.