Conference Paper (published) 
    Interpretable decision trees to predict solution fitness
	Catalano GAPI, Brownlee AEI, Cairns D & Ainslie R (2025) Interpretable decision trees to predict solution fitness. In: GECCO 2025, Malaga, Spain, 14.07.2025-18.07.2025. Association for Computing Machinery (ACM). https://doi.org/10.1145/1122445.1122456
	
			
     Conference Paper (published) 
    Explaining a Staff Rostering Problem using Partial Solutions
	Catalano GAPI, Brownlee A, Cairns D, McCall J, Fyvie M & Ainslie R (2024) Explaining a Staff Rostering Problem using Partial Solutions. In: TBC. Lecture Notes in Artificial Intelligence. AI-2024 Forty-fourth SGAI International Conference on Artificial Intelligence, Cambridge, 17.12.2024-19.12.2024. Cham, Switzerland: Springer.
	
			
     Conference Paper (published) 
    Towards Explainable Metaheuristic: Mining Surrogate Fitness Models for Importance of Variables
	Singh M, Brownlee AEI & Cairns D (2022) Towards Explainable Metaheuristic: Mining Surrogate Fitness Models for Importance of Variables. In: GECCO '22: Proceedings of the Genetic and Evolutionary Computation Conference Companion. GECCO '22:, Boston, USA, 09.07.2022-13.07.2022. New York: ACM, pp. 1785-1793. https://doi.org/10.1145/3520304.3533966
	
			
     Conference Paper (published) 
    Mining Markov Network Surrogates to Explain the Results of Metaheuristic Optimisation
	Brownlee A, Wallace A & Cairns D (2021) Mining Markov Network Surrogates to Explain the Results of Metaheuristic Optimisation. In: Martin K, Wiratunga N & Wijekoon A (eds.) Proceedings of the SICSA eXplainable Artifical Intelligence Workshop 2021. CEUR Workshop Proceedings, 2894. SICSA eXplainable Artifical Intelligence Workshop 2021, Aberdeen, 01.06.2021-01.06.2021. Aachen: CEUR Workshop Proceedings, pp. 64-70. http://ceur-ws.org/Vol-2894/short9.pdf
	
			
     Conference Paper (published) 
    Effective use of evolutionary computation to parameterise an epidemiological model
	Mitchell R, Cairns D, Hamami D, Pollock K & Shankland C (2021) Effective use of evolutionary computation to parameterise an epidemiological model. In: Cazzaniga P, Besozzi D, Merelli I & Manzoni L (eds.) Computational Intelligence Methods for Bioinformatics and Biostatistics. Lecture Notes in Computer Science, 12313. CIBB 2019: 16th International Conference on Computational Intelligence methods for Bioinformatics and Biostatistics, Bergamo, Italy, 04.09.2019-06.09.2019. Cham, Switzerland: Springer. https://doi.org/10.1007/978-3-030-63061-4_3
	
			
     Conference Paper (published) 
    Towards explaining metaheuristic solution quality by data mining surrogate fitness models for importance of variables
	Wallace A, Brownlee AEI & Cairns D (2021) Towards explaining metaheuristic solution quality by data mining surrogate fitness models for importance of variables. In: Bramer M & Ellis R (eds.) Artificial Intelligence XXXVIII. Lecture Notes in Computer Science, 13101. 41st SGAI International Conference on Artificial Intelligence, AI 2021, Cambridge, 14.12.2021-16.12.2021. Cham, Switzerland: Springer, pp. 58-72. https://doi.org/10.1007/978-3-030-91100-3_5
	
			
     Article 
    Optimising efficacy of antibiotics against systemic infection by varying dosage quantities and times
	Hoyle A, Cairns D, Paterson I, McMillan S, Ochoa G & Desbois AP (2020) Optimising efficacy of antibiotics against systemic infection by varying dosage quantities and times. PLoS Computational Biology, 16 (8), Art. No.: e1008037. https://doi.org/10.1371/journal.pcbi.1008037
	
			
     Conference Paper (published) 
    Multifractality and Dimensional Determinism in Local Optima Networks
	Thomson S, Verel S, Ochoa G, Veerapen N & Cairns D (2018) Multifractality and Dimensional Determinism in Local Optima Networks. In: Proceedings of the Genetic and Evolutionary Computation Conference 2018. 2018 Genetic and Evolutionary Computation Conference (GECCO 2018), Kyoto, Japan, 15.07.2018-19.07.2018. New York: ACM, pp. 371-378. http://gecco-2018.sigevo.org; https://doi.org/10.1145/3205455.3205472
	
			
     Article 
    Electronic Swallowing Intervention Package to Support Swallowing Function in Patients With Head and Neck Cancer: Development and Feasibility Study
	Cowie J, Boa S, King E, Wells M & Cairns D (2018) Electronic Swallowing Intervention Package to Support Swallowing Function in Patients With Head and Neck Cancer: Development and Feasibility Study. JMIR Formative Research, 2 (2), Art. No.: e15. https://doi.org/10.2196/formative.9703
	
			
     Conference Paper (published) 
    Exploring Fitness and Edit Distance of Mutated Python Programs
	Haraldsson S, Woodward J, Brownlee A & Cairns D (2017) Exploring Fitness and Edit Distance of Mutated Python Programs. In: McDermott J, Castelli M, Sekanina L, Haasdijk E & García-Sánchez P (eds.) Genetic Programming: 20th European Conference, EuroGP 2017, Amsterdam, The Netherlands, April 19-21, 2017, Proceedings. Lecture Notes in Computer Science, 10196. EuroGP 2017: Genetic Programming, Amsterdam, The Netherlands, 19.04.2017-21.04.2017. Cham: Springer International Publishing, pp. 19-34. https://doi.org/10.1007/978-3-319-55696-3_2
	
			
     Conference Paper (published) 
    A Targeted Estimation of Distribution Algorithm Compared to Traditional Methods in Feature Selection
	Neumann G & Cairns D (2016) A Targeted Estimation of Distribution Algorithm Compared to Traditional Methods in Feature Selection. In: Madani K, Dourado A, Rosa A, Filipe J & Kacprzyk J (eds.) Computational Intelligence: Revised and Selected Papers of the International Joint Conference, IJCCI 2013, Vilamoura, Portugal, September 20-22, 2013. Studies in Computational Intelligence, 613. 5th International Joint Conference on Computational Intellegience, IJCCI 2013, Vilamoura, Portugal, 20.09.2013-22.09.2013. Cham, Switzerland: Springer, pp. 83-103. http://link.springer.com/chapter/10.1007/978-3-319-23392-5_5; https://doi.org/10.1007/978-3-319-23392-5_5
	
			
     Conference Paper (published) 
    Revisiting Planarity in Position-Based Routing for Wireless Networks
	Cairns D, Fayed M & Mouftah HT (2013) Revisiting Planarity in Position-Based Routing for Wireless Networks. In: Zheng J, Mitton N, Li J & Lorenz P (eds.) Ad Hoc Networks: 4th International ICST Conference, ADHOCNETS 2012, Paris, France, October 16-17, 2012, Revised Selected Papers. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 111. 4th International ICST Conference, ADHOCNETS 2012, Paris, France, 16.10.2012-17.10.2012. Berlin Heidelberg: Springer, pp. 87-102. http://link.springer.com/chapter/10.1007/978-3-642-36958-2_7#; https://doi.org/10.1007/978-3-642-36958-2_7
	
			
     Conference Paper (published) 
    Towards position-based routing for mobile environments
	Cairns D & Fayed M (2012) Towards position-based routing for mobile environments. In: Proceedings of the 10th international conference on mobile systems, applications, and services. MobiSys, 12. MobiSys'12 The 10th International Conference on Mobile Systems, Applications, and Services, Low Wood Bay, Lake District, UK, 25.06.2012-29.06.2012. New York, NY, USA: ACM, pp. 523-524. https://doi.org/10.1145/2307636.2307715; https://doi.org/10.1145/2307636.2307715
	
			
     Conference Paper (published) 
    Evolving Bio-PEPA process algebra models using genetic programming
	Marco D, Shankland C & Cairns D (2012) Evolving Bio-PEPA process algebra models using genetic programming. In: Proc. of the 14th International Conference on Genetic and Evolutionary Computation (GECCO). GECCO, 14. Fourteenth International Conference on Genetic and Evolutionary Computation conference (GECCO) 2012, Philadelphia, USA, 07.07.2012-11.07.2012. New York, NY, USA: ACM, pp. 177-184. http://doi.acm.org/10.1145/2330163.2330189; https://doi.org/10.1145/2330163.2330189
	
			
     Conference Paper (published) 
    Investigating co-infection dynamics through evolution of Bio-PEPA model parameters: a combined process algebra and evolutionary computing approach
	Marco D, Scott E, Cairns D, Graham A, Allen JE, Mahajan SM & Shankland C (2012) Investigating co-infection dynamics through evolution of Bio-PEPA model parameters: a combined process algebra and evolutionary computing approach. In: Gilbert D & Heiner M (eds.) Computational Methods in Systems Biology: 10th International Conference, CMSB 2012, London, UK, October 3-5, 2012. Proceedings. Lecture Notes in Computer Science, 7605. The 10th Conference on Computational Methods in Systems Biology, CMSB 2012, London, UK, 03.10.2012-05.10.2012. Berlin Heidelberg: Springer-Verlag, pp. 227-246. http://sites.brunel.ac.uk/cmsb2012; https://doi.org/10.1007/978-3-642-33636-2_14
	
			
     Conference Paper (published) 
    Targeted EDA Adapted for a Routing Problem with Variable Length Chromosomes
	Neumann G & Cairns D (2012) Targeted EDA Adapted for a Routing Problem with Variable Length Chromosomes. In: Li X (ed.) Proceedings of the 2012 IEEE Congress on Evolutionary Computation (CEC). 2012 IEEE Congress on Evolutionary Computation (CEC), Brisbane, Australia, 10.06.2012-15.06.2012. Brisbane, Australia: IEEE, pp. 334-341. https://doi.org/10.1109/CEC.2012.6256531
	
			
     Conference Paper (published) 
    Introducing intervention targeting into estimation of distribution algorithms
	Neumann G & Cairns D (2012) Introducing intervention targeting into estimation of distribution algorithms. In: Proceedings of the 27th Annual ACM Symposium on Applied Computing. SAC, 12. SAC '12 The 27th Annual ACM Symposium on Applied Computing, Riva del Garda (Trento), Italy, 26.03.2012-30.03.2012. New York, NY, USA: ACM Press, pp. 220-225. http://doi.acm.org/10.1145/2245276.2245320; https://doi.org/10.1145/2245276.2245320
	
			
     Conference Paper (published) 
    Optimisation of Process Algebra Models Using Evolutionary Computation
	Marco D, Cairns D & Shankland C (2011) Optimisation of Process Algebra Models Using Evolutionary Computation. In: IEEE Congress on Evolutionary Computation (CEC), 2011. IEEE Congress on Evolutionary Computation (CEC) IEEE Congress on Evolutionary Computation, Singapore, 05.06.2011-08.06.2011. Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), pp. 1296-1301. https://doi.org/10.1109/CEC.2011.5949765
	
			
     Technical Report 
    An Analysis of Planarity in Face-Routing
	Fayed M, Cairns D & Mouftah HT (2010) An Analysis of Planarity in Face-Routing. Technical Report, CSM-184. Department of Computing Science and Mathematics, University of Stirling.
	
			
     Website Content 
    Soil Analysis Support System for Archaeology (SASSA)
	Davidson D, Wilson C, Pollard E, Cairns D, Cowie J & Blunn M (2009) Soil Analysis Support System for Archaeology (SASSA). 2009. www.sassa.org.uk.
	
			
     Book Chapter 
    An Adjectival Interface for Procedural Content Generation
	Hultquist C, Gain J & Cairns D (2009) An Adjectival Interface for Procedural Content Generation. In: Plemenos D & Miaoulis G (eds.) Intelligent Computer Graphics 2009. Studies in Computational Intelligence, Volume 240. Berlin: Springer, pp. 143-165. http://www.springer.com/engineering/computational+intelligence+and+complexity/book/978-3-642-03451-0; https://doi.org/10.1007/978-3-642-03452-7_8
	
			
     Article 
    A Mobile Knowledge Management and Decision Support Tool for Soil Analysis
	Cowie J, Cairns D, Blunn M, Wilson C, Pollard E & Davidson D (2009) A Mobile Knowledge Management and Decision Support Tool for Soil Analysis. International Journal of Information Management, 29 (5), pp. 397-406. https://doi.org/10.1016/j.ijinfomgt.2009.02.004
	
			
     Conference Paper (published) 
    Fitness Directed Intervention Crossover Approaches Applied to Bio-Scheduling Problems
	Godley PM, Cairns D, Cowie J & McCall J (2008) Fitness Directed Intervention Crossover Approaches Applied to Bio-Scheduling Problems. In: Proceedings of the IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology, 2008. CIBCB '08. 2008 IEEE Symposium on Computational Intelligence in Bioinformatics and Computational Biology, Sun Valley, Idaho, 15.09.2008-17.09.2008. Hoboken NJ: Institute of Electrical and Electronics Engineers (IEEE), pp. 120-127. http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=4669529; https://doi.org/10.1109/CIBCB.2008.4675768
	
			
     Conference Paper (published) 
    Optimisation and Fitness Modelling of Bio-control in Mushroom Farming Using a Markov Network EDA
	Brownlee A, Wu Y, McCall J, Godley PM, Cairns D & Cowie J (2008) Optimisation and Fitness Modelling of Bio-control in Mushroom Farming Using a Markov Network EDA. In: Keijzer M (ed.) Proceedings of the 10th annual conference on Genetic and evolutionary computation, (GECCO-2008). Genetic and Evolutionary Computation Conference, GECCO-2008, Atlanta, Georgia, 12.07.2008-16.07.2008. New York: Association for Computing Machinery (ACM), pp. 465-466. https://doi.org/10.1145/1389095.1389180
	
			
     Conference Paper (published) 
    The Effects of Mutation and Directed Intervention Crossover When Applied to Scheduling Chemotherapy
	Godley PM, Cairns D, Cowie J, McCall J & Swingler K (2008) The Effects of Mutation and Directed Intervention Crossover When Applied to Scheduling Chemotherapy. In: Keijzer M (ed.) Proceedings of the 10th annual conference on Genetic and evolutionary computation (GECCO). ACM Genetic and Evolutionary Computation Conference (GECCO) 2008, Atlanta, Georgia, 12.07.2008-16.07.2008. New York, USA: Association for Computing Machinery (ACM), pp. 1105-1106. http://portal.acm.org/toc.cfm?id=1389095&type=proceeding&coll=GUIDE&dl=GUIDE&CFID=47644191&CFTOKEN=12932833; https://doi.org/10.1145/1389095.1389300
	
			
     Conference Paper (published) 
    Bio-control in Mushroom Farming Using a Markov Network EDA
	Wu Y, McCall J, Godley PM, Brownlee A & Cairns D (2008) Bio-control in Mushroom Farming Using a Markov Network EDA. In: IEEE Congress on Evolutionary Computation, 2008. CEC 2008. (IEEE World Congress on Computational Intelligence). IEEE Congress on Evolutionary Computation 2008, CEC 2008, (IEEE World Congress on Computational Intelligence), Hong Kong, 01.06.2008-06.06.2008. Hoboken, NJ: Institute of Electrical and Electronics Engineers (IEEE), pp. 2991-2996. https://doi.org/10.1109/CEC.2008.4631201
	
			
     Conference Paper (published) 
    Optimisation of cancer chemotherapy schedules using directed intervention crossover approaches
	Godley PM, Cowie J, Cairns D, McCall J & Howie C (2008) Optimisation of cancer chemotherapy schedules using directed intervention crossover approaches. In: IEEE Congress on Evolutionary Computation, 2008. CEC 2008. (IEEE World Congress on Computational Intelligence). IEEE World Congress on Computational Intelligence. IEEE Congress on Evolutionary Computation 2008, CEC 2008, Hong Kong, 01.06.2008-06.06.2008. Piscataway, NJ: IEEE (Institute of Electrical and Electronics Engineers), pp. 2532-2537. http://ieeexplore.ieee.org/servlet/opac?punumber=4625778; https://doi.org/10.1109/CEC.2008.4631138
	
			
     Book Chapter 
    Mobile decision making and knowledge management: supporting geoarchaelogists in the field
	Blunn M, Cowie J, Cairns D, Wilson C & Davidson D (2007) Mobile decision making and knowledge management: supporting geoarchaelogists in the field. In: Cardoso J, Cordeiro J & Filipe J (eds.) ICEIS 2007 - Proceedings of the Ninth International Conference on Enterprise Information Systems Volume AIDSS June 12-16, 2007, Funchal, Portugal. ICEIS - International Conference on Enterprise Information Systems conference series. Denmark: Interaction Design Foundation, pp. 57-62. http://www.interaction-design.org/references/conferences/iceis_2007_-_proceedings_of_the_ninth_international_conference_on_enterprise_information_systems_volume_aidss.html
	
			
     Conference Paper (published) 
    Directed intervention crossover applied to bio-control scheduling
	Godley PM, Cairns D & Cowie J (2007) Directed intervention crossover applied to bio-control scheduling. In: IEEE Congress on Evolutionary Computation, 2007. CEC 2007.. IEEE Congress on Evolutionary Computation, 2007. CEC 2007., Singapore, 25.09.2007-28.09.2007. Piscataway, NJ: IEEE, pp. 638 -645. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4424531; https://doi.org/10.1109/CEC.2007.4424531
	
			
     Conference Paper (published) 
    Maximising the Efficiency of Bio-control Applications Utilising Genetic Algorithms
	Godley PM, Cairns D & Cowie J (2007) Maximising the Efficiency of Bio-control Applications Utilising Genetic Algorithms. In: Parker C, Skerrat S, Park C & Shields J (eds.) Proceedings of the 6th Biennial Conference of European Federation of IT in Agriculture (EFITA). 6th Biennial Conference of the European Federation of IT in Agriculture (EFITA/WCCA' 07), 2007, Glasgow, 02.07.2007-05.07.2007, pp. 638-645.
	
			
     Conference Paper (published) 
    Novel Genetic Algorithm Crossover Approaches for Time-series Problems
	Godley PM, Cowie J & Cairns D (2007) Novel Genetic Algorithm Crossover Approaches for Time-series Problems. In: Ridge E, Stutzle R, Birattari M & Hoos H (eds.) SLS-DS 2007: Doctoral Symposium on Engineering Stochastic Local Search Algorithms. IRIDIA - Technical Report Series, TR/IRIDIA/2007-014. SLS-DS 2007: Doctoral Symposium on Engineering Stochastic Local Search Algorithms, Brussels, Belgium, 06.09.2007-08.09.2007. Brussels, Belgium: IRIDIA, pp. 47-51. http://iridia.ulb.ac.be/IridiaTrSeries/link/IridiaTr2007-014.pdf
	
			
     Article 
    The variability in type I collagen helical pitch is reflected in the D periodic fibrillar structure
	Cameron GJ, Cairns D & Wess TJ (2007) The variability in type I collagen helical pitch is reflected in the D periodic fibrillar structure. Journal of Molecular Biology, 372 (4), pp. 1097-1107. https://doi.org/10.1016/j.jmb.2007.05.076
	
			
     Book Chapter 
    Making Decisions with Data Using Computational Intelligence within a Business Environment
	Swingler K & Cairns D (2006) Making Decisions with Data Using Computational Intelligence within a Business Environment. In: Voges K & Pope N (eds.) Business applications and computational intelligence. Hershey PA and London: Idea Group, pp. 19-37. http://www.igi-global.com/chapter/making-decisions-data/6017
	
			
     Conference Paper (published) 
    Affective scene generation
	Hultquist C, Gain J & Cairns D (2006) Affective scene generation. In: AFRIGRAPH '06 4th International Conference on Computer Graphics, Virtual Reality and Visualisation in Africa. AFRIGRAPHInternational Conference on Computer Graphics, Virtual Reality, Visualisation and Interaction in Africa, 2006. AFRIGRAPH '06 4th International Conference on Computer Graphics, Virtual Reality, Visualization and Interaction in Africa, Cape Town, South Africa, 25.01.2006-27.01.2006. New York, NY, USA: ACM, pp. 59-63. http://dl.acm.org/citation.cfm?id=1108600&CFID=346292698&CFTOKEN=65697882; https://doi.org/10.1145/1108590.1108600
	
			
     Article 
    Developing SASSA: a Soil Analysis Support System for Archaeologists
	Wilson C, Davidson D, Pollard E, Cowie J, Cairns D & Blunn M (2005) Developing SASSA: a Soil Analysis Support System for Archaeologists. Internet Archaeology,  (25). https://doi.org/10.11141/ia.25.4
	
			
     Conference Paper (published) 
    Evolving an Improved Axial Structure for Fibrillar Collagen
	Cairns D, Cameron GJ & Wess TJ (2005) Evolving an Improved Axial Structure for Fibrillar Collagen. In: Cantu-Paz E, Beyer H, Deb K K, Foster J, Davis L & Roy R (eds.) Genetic and Evolutionary Computation Conference, GECCO 2005, Proceedings, volume Vol. 1. GECCO '05 The 2005 conference on Genetic and evolutionary computation, Washington DC, USA, 25.06.2005-29.06.2005. New York: ACM Press, pp. 471-472. http://www.sigevo.org/gecco-2005/index.html
	
			
     Article 
    Nanoarchitectures of the animal extracellular matrix: opportunities for synchrotron radiation studies on collagen and fibrillin
	Wess TJ & Cairns D (2005) Nanoarchitectures of the animal extracellular matrix: opportunities for synchrotron radiation studies on collagen and fibrillin. Journal of Synchrotron Radiation, 12 (6), pp. 751-757. https://doi.org/10.1107/S0909049505012306
	
			
     Article 
    Improving the Usability of the Hierarchical File System
	Marsden G & Cairns D (2004) Improving the Usability of the Hierarchical File System. South African Computer Journal, 32, pp. 69-78. http://search.sabinet.co.za/WebZ/AdvancedQuery?sessionid=01-56556-1434718863&termA=2004&indexA=py%3A&termB=32&indexB=so%3A&format=B&advancednumrecs=50&entitytoprecno=1&entitycurrecno=1&entitytempjds=true&dbgroup=compg&next=comp/comp_abresult.html&bad=error
	
			
     Conference Paper (published) 
    Improving the Usability of the Hierarchical File System
	Marsden G & Cairns D (2003) Improving the Usability of the Hierarchical File System. In: Eloff J, Englebrecht A, Kotze P & Eloff M (eds.) SAICSIT '03 Proceedings of the 2003 annual research conference of the South African institute of computer scientists and information technologists on Enablement through technology. SAICSIT '03: the 2003 annual research conference of the South African institute of computer scientists and information technologists on Enablement through technology. New York, NY, USA: ACM, pp. 122-129. http://dl.acm.org/citation.cfm?id=954027&CFID=346292698&CFTOKEN=65697882
	
			
     Book Chapter 
    Phase constraints on Synchronizing Oscillator Networks
	Cairns D, Baddeley R & Smith L (1994) Phase constraints on Synchronizing Oscillator Networks. In: Oaksford M & Brown G (eds.) Neurodynamics and Psychology. London: Academic Press, pp. 237-254.
	
			
     Conference Paper (published) 
    Synchronization of Integrate-and-fire Neurons with Delayed Inhibitory Lateral Connections
	Smith L, Cairns D & Nischwitz A (1994) Synchronization of Integrate-and-fire Neurons with Delayed Inhibitory Lateral Connections. In: Marinaro M & Morasso P (eds.) ICANN '94: Proceedings of the International Conference on Artificial Neural Networks, Sorrento, Italy, 26-29 May 1994. The International Conference on Artificial Neural Networks, ICANN '94, Sorrento, Italy, 26.05.1994-29.05.1994. Berlin Heidelberg: Springer.
	
			
     Conference Paper (published) 
    Phase constraints on synchronizing oscillator networks
	Cairns D, Baddeley R & Smith L (1993) Phase constraints on synchronizing oscillator networks. In: Brown G & Oaksford M (eds.) Neurodynamics and Psychology. The Neural Computation and Psychology Workshop (NCPW1), Bangor, Wales, 04.04.1992-07.04.1992. London: Academic Press, pp. 237-254.
	
			
     Article 
    Constraints on synchronizing oscillator networks
	Cairns D, Baddeley R & Smith L (1993) Constraints on synchronizing oscillator networks. Neural Computation, 5 (2), pp. 260-266. https://doi.org/10.1162/neco.1993.5.2.260