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Renkuan Guo

Professor, PH.D in Statistic

Work address:

Department of Statistical Sciences • University of Cape Town • Private Bag • Rhodes’ Gift

Rondebosch 7701 • Cape Town • South Africa

Phone: 27 21 6504020

Fax: 27 2

1 6504773

Teaching experience

1.    1978-1983: Teaching at the Dalian University of Technology.

2.    1985-1988: Teaching and research assistant at Iowa State University.

3.    1989-1998: Teaching at University of Cape Town involving courses Stochastic processes, Derivative trading, Decision Theory for third year students. Teaching Quality control, Dynamic Programming at Honours level.

4.    1998-2004: Teaching at the University of Cape Town involving courses in Stochastic Processes to Taught Master program in Mathematical Finance. Teaching Stochastic Analysis (Calculus) with Financial Applications to the third year and fourth year students (majoring in Actuarial Science and Finance). Teaching Financial Market Non-linear Modelling at MSc level and Dynamic Programming for Honors.

5.    2005-2006: Teaching Markov Processes Theory for Actuarial Science third year students (STA 345F and Bus 318F). Teaching Stochastic Calculus in Financial Economics (Bus 428F) for the Actuarial Science fourth year students. Teaching Honors Dynamic Programming (in Operations Research course). Teaching two MSc level courses: Probability theory and Stochastic Optimal Control courses for STAT Taught MSc program (STA 503W), and Financial Mathematics for MSc programme.

journal publications: 1991-2003

1.    Love, C.E. and Guo, R. (1991). Using Proportional Hazard Modelling in Plant Maintenance. Quality and Reliability Engineering International, 7: 7-17.

2.    Love, C.E. and Guo, R. (1991). Application of Weibull Proportional Hazards Modelling to Bad-As-Old Failure Data. Quality and Reliability Engineering International, 7: 149-157.

3.    Guo, R. and Love, C.E. (1992). Statistical Analysis of An Age Model for Imperfectly Repaired System. Quality and Reliability Engineering International, 8: 133-146.

4.    Love, C.E. and Guo, R. (1993). An Application of A Bathtub Failure Model to Imperfectly Repaired Systems Data. Quality and Reliability Engineering International, 9: 127-135.

5.    Love, C.E. and Guo, R. (1994). Simulation Strategies to Identify the Failure Parameters under the Influence of General Repair. Quality and Reliability Engineering International, 10: 34-37.

6.    Guo, R. and Love, C.E. (1994). Simulating Nonhomogeneous Poisson Processes with Proportional Intensities. Naval Research Logistics, 41: 507-522.

7.    Love, C.E., Guo, R., and Irwin, K.H. (1995). Acceptable Quality Level vs. Zero Defects: Some Empirical Evidence. Journal of Computers and Operational Research: Special Edition on Quality and Reliability.

8.    Love, C.E., Guo, R., and Irwin, K.H. (1995). Utilizing Weibull Failure Rates in Repair Limit Analysis for Vehicle Replacement. Journal of Operational Research Society.

9.    Guo, R. and Love, C.E. (1996). A Linear Spline Approximation for Semi-Parametric Intensities. IEEE Transactions on Reliability, 45(2): 261-266.

10. Love, C.E., Zhang, Z.G., Zitron, M.A., and Guo, R. (2000). A Discrete Semi-Markov Decision Model to Determine the Optimal Repair/Replacement Policy under General Repairs. European Journal of Operational Research, 125: 398-409.

11. Guo, R., Ascher, H., and Love, C.E. (2000). Generalised Models of Repairable Systems-A survey via stochastic processes formalism. ORION, 16(2): 87-128.

12. Guo, R., Ascher, H., and Love, C.E. (2001). Towards Practical and Synthetic Modelling of Repairable Systems. Economic Quality Control, 16(2): 147-182.

13. Guo, R. and Love, C.E. (2003). Reliability Modelling with Fuzzy Covariates. International Journal of Reliability, Quality and Safety Engineering, 10(2): 131-157.

14. Guo, R. and Love, C.E. (2003). Reliability Modelling with Fuzzy Covariates. International Journal of Industrial Engineering – Theory, Applications, and Practice, 10(4): 511-518.

journal Publications: 2004-2006

1.    Guo, R. and Love, C.E. (2004). Fuzzy Covariate Modelling an Imperfectly Repaired System. Quality Assurance, 10(37): 7-15.

2.    Guo, R. (2005). Repairable System Modelling Via Grey Differential Equations. Journal of Grey System, 8(1): 69-91.

3.    Guo, R. (2005). A Repairable System Modelling by Combining Grey System Theory with Interval-Valued Fuzzy Set Theory. International Journal of Reliability, Quality and Safety Engineering, 12(3): 241-266. Kimura, M., Dohi, T., and Yun, W.Y. (Guest Editors).

4.    Guo, R. and Love, C.E. (2005). Fuzzy Set-Valued and Grey Filtering Statistical Inferences on a System Operation Data. International Journal of Quality in Maintenance Engineering – Advanced reliability modelling, 11(3): 267-278. Dohi, T., Kaio, N., and Yun, W.Y. (Guest Editors).

5.    Guo, R. and Love, C.E. (2006). Grey repairable system analysis. International Journal of Automation and Computing, Vol. 3. No 2: 131-144.

6.    Guo, R. and Dunne, T. (2006) Grey Predictive Control Charts. Communications in Statistics – Theory and Methods, Vol. 35, No. 10, pp. 1857-1868, 2006.

7.    Guo, D., Guo, R., and Thiart, C. The Coupling of regression Modeling and Differential Equation Model in GM(1,1) Modeling and Extended GM(1,1) Models. Journal of Grey System, Vol. 9, No. 2, December, pp 143-154, 2006.

8.    Guo, R. Grey Envelop Quality Control Charts. Journal of Quality, Vol. 13, No. 4, pp 401-410, 2006

Conference proceedings (peer-reviewed): 1987-2003

1.    Cressie, N.A.C. and Guo, R. (1987). Mapping Variables. Proceedings of the National Computer Graphic Association Conference, Computer Graphic III, pp. 521-530.

2.    Labuschagne, B.C.J., Wheelock, T.D., Guo, R.K., and Markuszewski, R. (1988). Prediction of Coal Hydrophobicity. Proceedings of the 5th Annual International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, pp. 417-429.

3.    Labuschagne, B.C.J., Wheelock, T.D., Guo, R.K., and Markuszewski, R. (1988). Moisture Content As a Predictor of Coal Hydrophobicity. Proceedings of the 13th International Conference on Coal & Supply Technology, Denver, Colorado, pp. 415-425.

4.    Labuschagne, B.C.J. and Guo, R.K. (1990). Variation Analysis of Coal Hydrophobicity. Proceedings of the 7th Annual International Pittsburgh Coal Conference, Pittsburgh, Pennsylvania, pp. 999-1011.

5.    Love, C.E. and Guo, R. (1991). Modelling with Proportional Hazard Structures: Some Goodness of Fit Test. Proceedings of the ASAC, Niagara Falls.

6.    Guo, R. and Bradley, E. (1993). Statistical Analysis of Repairable Systems with General Repair. Proceedings of the 2nd Asian Congress on Quality and Reliability, Beijing, China.

7.    Guo, R., Love, C.E., and Bradley, E. (1995). Bad-AS-Old Modelling of Complex Systems with Imperfectly Repaired Subsystems. Proceedings of the International Conference on Statistical Methods and Statistical Computing for Quality Productivity Improvement, Seoul, Korea.

8.    Love, C.E. and Guo, R. (1995). Statistical Analysis of a General Covariate Structure in Good-As-New Cases. Proceedings of the International Conference on Statistical Methods and Statistical Computing for Quality Productivity Improvement, Seoul, Korea.

9.    Guo, R. and Labuschagne, B.C.J. (1998). Basic elements of Chinese Feng Shui and the Quality of Human Life. Proceedings of the Ergonomics Conference: Global Ergonomics, Cape Town, South Africa, pp. 645-650.

10. Labuschagne, B.C.J., Geldenhuys, K.M., and Guo, R. (2000). Oral versus written evaluations for the second year medical students in anatomy. Proceedings of the 9th International Ottawa Conference on Medical Education, Cape Town, South Africa.

11. Guo, R. and Love, C.E. (2002). Reliability Modelling with Fuzzy Covariates. Proceedings of the 7th Annual International Conference on Industrial Engineering – Theory, Applications and Practice, Busan, Korea, pp. 5-8.

12. Guo, R. and Love, C.E. (2003). Statistical Modelling of System Ages. Proceedings of the 8th International Conference on Industrial Engineering – Theory, Applications and Practice, Las Vegas, Nevada, U.S.A., pp. 380-385.

13. Guo, R. and Dunne, T. (2003). Philosophical and Statistical Foundation of Time and System Age Modelling. Proceedings of the 8th International Conference on Industrial Engineering – Theory, Applications and Practice, Las Vegas, Nevada, U.S.A., pp. 986-991.

Conference Proceedings (peer-reviewed): 2004-2006

1.    Guo, D., Guo, R., and Thiart, C. (2004). Integrating GIS with Fuzzy Logic and Geostatistics: Predicting Air Pollutant PM10 for California, Using Fuzzy Kriging. Proceedings of the Geographical Information Systems Research UK (GISRUK 2004), University of East Anglia, Norwich, U.K., pp. 375-380.

2.    Guo, R. and Dunne, T. (2004). Developing Diligence in Today’s Education – Some Thoughts on Teaching in the IT Age. Proceedings of International Conference on Education and Information Systems, Technologies and Applications and the International Conference on Cybermetics and Technologies and Applications, Orlando, Florida, U.S.A., pp. 254-259.

3.    Guo, R. (2004). Interval-Valued Fuzzy Set Modelling of System Reliability. Proceedings of the 2004 Asian International Workshop on Advanced Reliability Modelling, Hiroshima City, Japan, pp. 157-164.

4.    Guo, R. and Love, C.E. (2004). Fuzzy Set-Valued Statistical Inferences on a System Operating Data. Proceedings of the 2004 Asian International Workshop on Advanced Reliability Modelling, Hiroshima City, Japan, pp. 165-172.

5.    Guo, R. and Love, C.E. (2004). A Fuzzy Semi-Statistical Model for Repairable System. Proceedings of the 9th International Conference on Quality and Dependability (CCF’2004).

6.    Guo, R. and Love, C.E. (2004). A Virtual State Analysis of Repairable System via Fuzzy Logical Functions. Proceedings of the 9th International Conference on Industrial Engineering – Theory, Applications and Practice, Auckland, New Zealand, pp. 140-145.

7.    Guo, R. (2004). A Fuzzy System Age Analysis of Repairable System via Interval-Valued Fuzzy Sets Approach. Proceedings of 9th International Conference on Industrial Engineering – Theory, Applications and Practice, Auckland, New Zealand, pp. 146-151.

8.    Guo, D., Guo, R., and Thiart, C. (2005). Grey GIS. Proceedings of the Geographical Information Systems Research UK (GISRUK 2005), Glasgow, Scotland, pp. 379-387.

9.    Wabiri, N., Guo, R., and Thiart, C. (2005). Interval-Spatial Methods. Proceedings of the Geographical Information Systems Research UK (GISRUK 2005), Glasgow, Scotland, pp. 121-129.

10. Guo, R. and Dunne, T. (2005). Stochastic Age Processes. Proceedings of the European Safety and Reliability Conference (ESREL 2005): Advances in Safety and Reliability, Tri City (Gdynia-Sopot-Gdansk), Poland, Vol. 1, pp. 745-752.

11. Guo, R. and Love, C.E. (2005). Grey Repairable System Analysis. Plenary Lecture. Proceedings of the European Safety and Reliability Conference (ESREL 2005): Advances in Safety and Reliability, Tri City (Gdynia-Sopot-Gdansk), Poland, Vol. 1. pp. 753-766.

12. Guo, R. and Dunne, T. (2005). Grey Predictive Process Control Charts. Proceedings of the 4th International Conference on Quality and Reliability (ICQR 2005), Beijing, China, pp. 55-62.

13. Guo, R. (2005). A Grey Semi-Statistical Fuzzy Modeling of an Imperfectly Repaired System. Proceedings of the 4th International Conference on Quality and Reliability (ICQR 2005), Beijing, China, pp. 391-399.

14. Guo, R. (2005). Fuzzy Stochastic Age processes. Proceedings of the 4th International Conference on Quality and Reliability (ICQR 2005), Beijing, China, pp. 471-476.

15. Guo, R. (2005). A Grey Modeling of Covariate Information in Repairable System. Proceedings of the 4th International Conference on Quality and Reliability (ICQR 2005), Beijing, China, pp. 667-674.

16. Guo, D., Guo, R., and Thiart, C. (2005). Grey Spatial Prediction of Fuzzy Air Quality Index. Proceedings of the 4th International Conference on Quality and Reliability (ICQR 2005), Beijing, China, pp. 71-78.

17. Guo, D., Guo, R., and Thiart, C. (2005). A New Very Small-Sample Based Non-Linear Statistical Estimation Method. Proceedings of the International Workshop on Recent Advances Stochastic Operations Research, Canmore, Alberta, Canada, pp. 50-57.

18. Hossain, N., Troskie, C., and Guo, R. (2005). GARCH(1,1) Volatility Modeling in Modern Portfolio Optimization. Proceedings of the International Workshop on Recent Advances Stochastic Operations Research, Canmore, Alberta, Canada, pp. 80-87.

19. Wabiri, N., Guo, R., and Thiart, C. (2005). Interval-Kriging under Generalized Metric. Proceedings of the International Workshop on Recent Advances Stochastic Operations Research, Canmore, Alberta, Canada, pp. 290-297.

20. Kao, T. and Guo, R. (2005). Empirical Evidences of Non-equilibrium in Johannesburg Stock Exchange System. Proceedings of the Second Brazilian Conference on Statistical Modeling in Insurance and Finance, Institute of Maths and Stats, University of Sao Paulo, Sao Paulo, Brazil, pp. 132-137.

21. Guo, R. and Guo, D. (2005). Grey Reliability Analysis of Complex System. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 432-437.

22. R. Guo, T. Dunne and Y. H. Cui. (2005). The Investigation on the Rationale of GM(1,1) Model. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 438-443.

23. Guo, D., Guo, R., Thiart, C., and Cui, Y.H. (2005). Optimal Data Transformations in Grey Analysis. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 426-431.

24. Wabiri, N., Guo, R., and Thiart, C. (2005). Spatial Interval Kernel Regression. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 406-411.

25. Hossain, N., Troskie, C., and Guo, R. (2005). Comparisons of the Ex Post Efficient Portfolios under Garch(1,1) Modeling and Garch Model Extensions. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 419-425.

26. Hossain, N., Troskie, C., and Guo, R. (2005). Comparisons of the Ex Post Efficient Portfolios Generated from Sharpe and Troskie-Hossain Index Models. Proceedings of the 10th International Conference on Industrial Engineering – Theory, Applications and Practice, Clearwater, Florida, U.S.A., pp. 412-418.

27. Guo, D., Guo, R., Thiart, C., Oyana, T., Dai, D., and Hession, S. (2006). GM(1,1)-Kriging Prediction of Soil Dioxin Pattern. Proceedings of the Geographical Information Systems Research UK Conference (GISRUK 2006), April 5-7, 2006, University of Nottingham, Nottingham, U.K., pp. 69-77.

28. Hossain, N., Troskie, C.G., and Guo, R. (2006). An Application of Principal Components Analysis to Portfolio Optimization under the Sharpe Index Framework. Proceedings of the International MultiConference of Engineers and Computer Scientists, The 2006 IAENG International Workshop on Financial Engineering, June 20-22, 2006, Hong Kong, pp. 396-401. (Best paper Award).

29. Guo, R. Grey Quality Envelop Control Charts. Proceedings of the International Conference on Management of Innovation and Technology (IEEE ICMIT 2006), June 21-23, 2006, Singapore, Vol. 2, pp. 728-732.

30. Guo, R. and Cui, Y.H. (2006). Grey Reliability Analysis under L₁ Norm. Proceedings of the Asian International Workshop on Advanced Reliability Modeling II: Reliability Testing and Improvement, August, 24-26, 2006, Pusan, Korea, pp. 645-653.

31. Guo, R. (2006). Fuzzy Variable Reliability Modeling Based on Credibility Theory. Proceedings of the Asian International Workshop on Advanced Reliability Modelling: Reliability Testing and Improvement, August, 24-26, 2006, Pusan, Korea, pp. 585-594.

32. Guo, R. (2006). Small Sample Asymptotic Distribution of Cost-Related Reliability Risk Measure. Proceedings of the Asian International Workshop on Advanced Reliability Modelling: Reliability Testing and Improvement, August, 24-26, 2006, Pusan, Korea, pp. 595-602.

33. Guo, R., Cheng, C.Y. and Cui, Y.H. (2006). L₁ Normed GM(1,1) Modelsand Reliability Analysis. Proceedings of 2006 IEEE International Conference on Systems, Man and Cybernetics, October 8-11, 2006, Taipei, Taiwan.

34. R. Guo and Y. H. Cui, (2006). Foundations For GM(1,1) Modeling of System Lifetimes. Proceedings of the International Conference on Maintenance Engineering (ICME), October 15-18, 2006, Cheng Du, China, pp 572-579.

35. Guo, D., Guo, R., Thiart, C., and Cui, Y.H. (2006). Rationale of GM(1,1) Modeling: A Variational Approach. Proceedings of the International Conference on Maintenance Engineering (ICME), October 15-18, 2006, Cheng Du, China, pp 603-609.

36. Guo, R. and Li, X. (2006). Credibility-Hazard Function: Theoretical Development. Proceedings of the International Conference on Maintenance Engineering (ICME), October 15-18, 2006, Cheng Du, China, pp 22-30.

37. Li, X. and Guo, R. (2006). Empirical Modeling of Chance Distribution for Random Fuzzy System Lifetimes. Proceedings of the International Conference on Maintenance Engineering (ICME), October 15-18, 2006, Cheng Du, China, pp 649-657.

38. Guo, D. Guo, R. and Thiart, C. (2006). Generalizations to Standard GM(1,1) Model. Proceedings of the International Conference on Maintenance Engineering (ICME), October 15-18, 2006, Cheng Du, China, pp 587-593.

39. Anderson, M. and Guo, R. (2006). Pricing European-Style Call Options on JSE Overall Share Index Using Hidden Markov Models. Proceedings of the 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1284-1289.

40. Anderson, M. and Guo, R. (2006). Pricing Bermudan-Style Call Options on JSE Overall Share Index Using Hidden Markov Models. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1279-1283.

41. Hossain, N., Troskie, C.G., and Guo, R. (2006). Improved Sharpe versus Sharpe Multiple Index Framework: A Monte-Carlo Simulation Study for the Positive Correlation Case. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1290-1295.

42. Hossain, N., Troskie, C.G., and Guo, R. (2006). Comparisons of the Ex Post Efficient Portfolios from Sharpe and Improved Sharpe Multiple Index Models; An Empirical Study Concerning the Negative Correlated Case. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1296-1301.

43. Guo, R., Guo, D., and Cui, Y.H. (2006). Rationale Exploration of First-Order One-Variable Grey Differential Equation Model via Variational Approach. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1302-1307.

44. Cui, Y.H. and Guo, R. (2006). Spline Function and First-Order One-Variable Grey Differential Equation Model. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp. 1308-1313.

45. Guo, R. and Li, X. (2006). Credibility Copulas. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan pp. 1314-1319

46. Li, X. and Guo, R. (2006). Fuzzy Reliability Based on Credibility Measure. Proceedings of 11^th International Conference on Industrial Engineering, Theory, Applications and Practice, October 24-27, 2006, Nagoya, Japan, pp.1320-1325.

47. Guo, R., Guo, D., and Li, X. (2006). Bivariate Credibility-Copulas. Proceedings of the 1^st International Conference on System Integration and Reliability Improvements (SIRI 2006), December 13-15, 2006, Hanoi, Vietnam.

48. Li, X., Guo, D., Guo, R., and Thiart, C. (2006). Kernel Estimation for Bivariate Credibility Copulas. Proceedings of the 1^st International Conference on System Integration and Reliability Improvements (SIRI 2006), December 13-15, 2006, Hanoi, Vietnam.

49. Cui, Y.H. Guo, R., and Dunne, T. (2006). Spline Functions in Grey Relation Analysis and Applications in System Reliability Improvements. Proceedings of the 1^st International Conference on System Integration and Reliability Improvements (SIRI 2006), December 13-15, 2006, Hanoi, Vietnam.

50. Guo, R. and Cui, Y.H. and Dunne, T. (2006). Dynamic Grey Quality Control Chart with Sparse Data. Proceedings of the 1^st International Conference on System Integration and Reliability Improvements (SIRI 2006), December 13-15, 2006, Hanoi, Vietnam.

51. Guo, R. Zhao, R.Q. and Love C. E. Average Chance Distributional Theory for Random Fuzzy Lifetime Modeling. Risk, Reliability and Societal Safety, Volume 1: Specialisation Topics. Proceedings of the European Safety and Reliability Conference 2007 (ESREL 2007), Stavanger, Norway, 25-27, June 2007, pp. 697-704. Editors: Terje Aven & Jan Erik Vinnem. Taylor & Francis. ISBN 0415447880.

52. Guo, R. Zhao, R.Q., Love C. E. and Cheng, C. Y. A Repairable System Analysis by Exponentially Distributed Random Fuzzy Lifetime Modeling. Risk, Reliability and Societal Safety, Volume 1: Specialisation Topics. Proceedings of the European Safety and Reliability Conference 2007 (ESREL 2007), Stavanger, Norway, 25-27, June 2007, pp. 705-712. Editors: Terje Aven & Jan Erik Vinnem. Taylor & Francis. ISBN 0415447880.

53. Love C. E., Guo, R. and Li, X. Fuzzy Reliability Based on Credibility Measure. Risk, Reliability and Societal Safety, Volume 1: Specialisation Topics. Proceedings of the European Safety and Reliability Conference 2007 (ESREL 2007), Stavanger, Norway, 25-27, June 2007, pp. 723-730. Editors: Terje Aven & Jan Erik Vinnem. Taylor & Francis. ISBN 0415447880.

54. Guo, R., Zhao, R. Q. and Cheng C.Y. Quality Control Charts for Random Fuzzy Manufacturing Environments, Proceedings of the Sixth International Conference on Information and Management Sciences, July 1-6, 2007, Lhasa, Tibet, China pp. 524-532, Edited by Tien Sheng Lee, Yankui Liu and Xiangde Zhao. Series of Information & Management Sciences, ISSN 1593-2023, Series Editor: Eldon Y. Li, Cal Poly State University.

55. Guo, R., Zhao, R. Q. and Dunne, T. Random Fuzzy Modeling of Repair Effects, Proceedings of the Sixth International Conference on Information and Management Sciences, July 1-6, 2007, Lhasa, Tibet, China pp. 752-760, Edited by Tien Sheng Lee, Yankui Liu and Xiangde Zhao. Series of Information & Management Sciences, ISSN 1593-2023, Series Editor: Eldon Y. Li, Cal Poly State University.

56. Guo, R., Kuo, W. and Zhao, R. Q. Accelerating Testing Modeling under Random Fuzzy Environment – Some Theoretical Aspects, Proceedings of the Sixth International Conference on Information and Management Sciences, July 1-6, 2007, Lhasa, Tibet, China pp. 761-769, Edited by Tien Sheng Lee, Yankui Liu and Xiangde Zhao. Series of Information & Management Sciences, ISSN 1593-2023, Series Editor: Eldon Y. Li, Cal Poly State University.

57. Guo, D., Guo, R., Midgley, G.F. and Ebrahim, I. (2007). DEMR Modeling Brunsvigia Litoralis Plant Distribution in 2004, Western Region District Council, South Africa. Proceedings of the Sixth International Conference on Information and Management Sciences, July 1-6, 2007, Lhasa, Tibet, China pp. 770-782, Edited by Tien Sheng Lee, Yankui Liu and Xiangde Zhao. Series of Information & Management Sciences, ISSN 1593-2023, Series Editor: Eldon Y. Li, Cal Poly State University.

58. Guo, R., Guo, D., Midgley, G.F. and Rebelo, A.G. (2007). Bivariate DEMR Modeling of Range Shifts in Aulax Umbellata Shrubs From 1992 to 2002 in South Africa. Proceedings of the Sixth International Conference on Information and Management Sciences, July 1-6, 2007, Lhasa, Tibet, China pp. 783-791, Edited by Tien Sheng Lee, Yankui Liu and Xiangde Zhao. Series of Information & Management Sciences, ISSN 1593-2023, Series Editor: Eldon Y. Li, Cal Poly State University.

59. Guo, R. (2007). An Univariate DEMR Modeling on Repair Effects. Proceedings of Summer Safety and Reliability Seminars, July 22-29, Gdańsk-Sopot, Poland, pp 157-166, Editors: Krzysztof Kolowrocki and Enrico Zio. ISBN Volume 1: 978-83-925436-0-2.

Journal papers: (2007)

1.    Guo, R. (2007) Modeling Imperfectly Repaired System Data Via Grey Differential Equations with Unequal-Gapped Times. Reliability Engineering and Systems Safety, Vol. 92, Issue 3, pp. 378-391, March 2007.

2.    Guo, D., Guo, R., and Thiart, C. (2007) Predicting Air Pollution Using Fuzzy Membership Grade Kriging. Journal of Computers, Environment and Urban Systems, Vol 31, Issue 1, pp33-51, January, 2007.

3.    Guo, D., Guo, R. and Thiart, C. (2007) Credibility Measure Based Membership Grade Kriging. International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems. Vol.15, No. Supp. 2, (April 2007), pp53-66, 2007. B. D. Liu (Editor).

4.    Guo, R., Zhao, R.Q., and Li, X. (2007) Scalar Variable Fuzzy Reliability Analysis, Journal of Economic Quality Control. Vol. pp xxx-xxx 2007.

5.    Guo, R., Guo, D., Midgley, G. F. and Rebelo, A. G. (2007) PDEMR Model in Rare Protea Count Prediction. Journal of Grey System, Vol. 10, No. 3, September, pp xxx-xxx, 2007.

6.    Guo, D., Guo, R., Midgley, G. F. and Rebelo, A. G. (2007) PDEMR Modelling of Protea Species in the Population Size of 1 to 10, in Cape Floristic Region from 1992 to 2002, South Africa, Journal of Geographical Information Sciences, ISBN xxxxxxxxxx, Vol. xx, No. X, pp xx-xx.

Book chapter: (Published)

1.    Guo, R. Grey Differential Equation GM(1,1) Model in Reliability Engineering. Chapter 26, pp 387-413, "Computational Intelligence in Reliability Engineering – Vol. 2. New Metaheuristics, Neural and Fuzzy Techniques in Reliability ", 2007, Springer, Gregory Levitin (Editor).

2.    Hossain, N., Troskie, C.G., and Guo, R. (2007). An Application of Principal Components Analysis to Portfolio Optimization under the Sharpe Index Framework, pp 25-38, Recent Advances in Engineering and Computer Science , 2007. International Association of Engineers. (ISBN: 978-988-98671-1-9)

Journal papers: Under peer-reviewing process

1.     Guo, R. and Zhao, R.Q. Random Fuzzy Lifetime Modeling and Analysis. Submitted to Quality Technology and Quality Management.

2.     Guo, R. and Zhao, R. Q. Small Sample Reliability Modeling and Analysis. Submitted to International Journal on Industrial Engineering, Theory, Applications and Practice.

3.     Guo, D., Guo, R., Thiart, C., and Li, X. Credibility Fuzzy membership Grade Kriging. Submitted to Innovations in GIS 13.

4.     Guo, D., Guo, R., and Thiart, C. GM(1,1)-Kriging Prediction of Soil Dioxin Pattern. Submitted to Innovations in GIS 13.