Dr Walter Colombo

2025

• Chaudhary, A., Javed, A., Colombo, G. and Alva Manchego, F. 2025. Exploring the safe integration of generative AI in cybersecurity education: Addressing challenges in transparency, accuracy, and security. Presented at: 4th Annual Advances in Teaching and Learning for Cyber Security Education, Bristol, UK, 2 July 2024 Presented at Legg, P., Coull, N. and Clarke, C. eds.Advances in Teaching and Learning for Cyber Security Education, Vol. 1213. Lecture Notes in Networks and Systems Vol. 1. Springer Cham

2024

• Wu, X. et al. 2024. Image manipulation quality assessment. IEEE Transactions on Circuits and Systems for Video Technology (10.1109/tcsvt.2024.3504854)
• Greatrix, T., Whitaker, R., Turner, L. and Colombo, W. 2024. Can large language models create new knowledge for spatial reasoning tasks?. [Online]. arXiv: Cornell University. Available at: https://arxiv.org/abs/2405.14379
• Alraddadi, E. E., Allen, S. M., Colombo, G. B. and Whitaker, R. M. 2024. A novel framework to classify opinion dynamics of mobile agents under the bounded confidence model. Adaptive Behavior 32(2), pp. 167-187. (10.1177/10597123231195423)
• He, Y., Wallbridge, C., Hernandez, J. D. and Colombo, G. 2024. Few-shot transfer learning for deep reinforcement learning on robotic manipulation tasks. Presented at: 25th Annual Conference Towards Autonomous Robotic Systems (TAROS 2024), London, UK, 21-23 August 2024.

2021

• Whitaker, R., Colombo, G. and Dunham, Y. 2021. The evolution of strongly-held group identities through agent-based cooperation. Scientific Reports 11, article number: 12071. (10.1038/s41598-021-91333-w)

2020

• Alraddadi, E., Allen, S., Colombo, G. and Whitaker, R. 2020. The role of homophily in opinion formation among mobile agents. Journal of Information and Telecommunication 4(4), pp. 504-523. (10.1080/24751839.2020.1772614)
• Scourfield, J., Evans, R., Colombo, G., Burrows, D., Jacob, N., Williams, M. and Burnap, P. 2020. Are youth suicide memorial sites on Facebook different from those for other sudden deaths?. Death Studies 44(12), pp. 793-801. (10.1080/07481187.2019.1614109)
• Bedewi, W., Whitaker, R., Colombo, G., Allen, S. and Dunham, Y. 2020. The implications of shared identity on indirect reciprocity. Journal of Information and Telecommunication 4(4), pp. 405-424. (10.1080/24751839.2020.1741858)

2019

• Bedewi, W., Whitaker, R. M., Colombo, G. B., Allen, S. M. and Dunham, Y. 2019. Modelling stereotyping in cooperation systems. Presented at: ICCCI: International Conference on Computational Collective Intelligence 2019, Hendaye, France, 4-6 September 2019 Presented at Nguyen, N. T. et al. eds.Computational Collective Intelligence: 11th International Conference, ICCCI 2019, Hendaye, France, September 4–6, 2019, Proceedings, Part I, Vol. 11683. Lecture Notes in Computer Science Cham: Springer Nature pp. -., (10.1007/978-3-030-28377-3_10)
• Scourfield, J., Colombo, G., Burnap, P., Evans, R., Jacob, N., Williams, M. and Caul, S. 2019. The number and characteristics of newspaper and Twitter reports on suicides and road traffic deaths in young people. Archives of Suicide Research 23(3), pp. 507-522. (10.1080/13811118.2018.1479321)

2018

• Whitaker, R. M., Colombo, G. B. and Rand, D. G. 2018. Indirect reciprocity and the evolution of prejudicial groups. Scientific Reports 8, article number: 13247. (10.1038/s41598-018-31363-z)
• Bellamy, R. et al. 2018. A computational framework for modelling inter-group behaviour using psychological theory. Presented at: SPIE Defense + Security 2018, Orlando, FL, USA, 15-18 April 2018Proceedings Volume 10653, Next-Generation Analyst VI, Vol. 10653. International Society for Optics and Photonics pp. 106530G., (10.1117/12.2309621)

2017

• Chun, Y. J., Colombo, G. B., Cotton, S. L., Scanlon, W. G., Whitaker, R. M. and Allen, S. M. 2017. Device-to-device communications: a performance analysis in the context of social comparison-based relaying. IEEE Transactions on Wireless Communications 16(12), pp. 7733-7745. (10.1109/TWC.2017.2751470)
• Burnap, P., Colombo, G., Amery, R., Hodorog, A. and Scourfield, J. 2017. Multi-class machine classification of suicide-related communication on Twitter. Online Social Networks and Media 2, pp. 32-44. (10.1016/j.osnem.2017.08.001)
• Colombo, G., Whitaker, R. M., Allen, S. M., Cotton, S., Young Jin, C. and William, S. 2017. Evolution of cooperation in device-to-device communication. Presented at: COCOA – COmpetitive and COoperative Approaches for 5G networks, Dresden, Germany, 17 May-2017European Wireless 2017; 23th European Wireless Conference. Berlin: VDE
• Whitaker, R. M., Turner, L. and Colombo, G. 2017. Intra-group tension under inter-group conflict: a generative model using group social norms and identity. Presented at: 8th International Conference on Applied Human Factors and Ergonomics, Los Angeles, CA, USA, 17-21 July 2017.
• Eshghi, S., Williams, G., Colombo, G., Turner, L., Rand, D., Whitaker, R. M. and Tassiulas, L. 2017. Mathematical models for social group behavior. Presented at: DAIS 2017 - Workshop on Distributed Analytics InfraStructure and Algorithms for Multi-Organization Federations, San Francisco, CA, USA, 4-8 August 2017. IEEE
• Turner, L., Colombo, G., Whitaker, R. and Felmlee, D. 2017. Parameterising the dynamics of inter-group conflict from real world data. Presented at: DAIS 2017 - Workshop on Distributed Analytics InfraStructure and Algorithms for Multi-Organization Federations, San Francisco, CA, USA, 4-8 August 2017. IEEE
• Eshghi, S., Williams, G., Colombo, G. B., Turner, L. D., Rand, D. G., Whitaker, R. M. and Tassiulas, L. 2017. Stability and fracture of social groups. Presented at: 55th Annual Allerton Conference on Communication, Control, and Computing, Monticello, IL, USA, 3-6 October 2017.

2016

• Chun, Y. J., Colombo, G. B., Cotton, S. L., Scanlon, W. G., Whitaker, R. M. and Allen, S. M. 2016. Social comparison based relaying in device-to-device networks. Presented at: 27th Annual IEEE International Symposium on Personal, Indoor, and Mobile Radio Communications, Valencia, Spain, 4th - 7th September 20162016 IEEE 27th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC). IEEE, (10.1109/PIMRC.2016.7794631)
• Scourfield, J. B. et al. 2016. The response in Twitter to an assisted suicide in a television soap opera. Crisis: The Journal of Crisis Intervention and Suicide Prevention 37(5), pp. 392-395. (10.1027/0227-5910/a000377)
• Whitaker, R. M., Colombo, G. B., Allen, S. M. and Dunbar, R. I. M. 2016. A dominant social comparison heuristic unites alternative mechanisms for the evolution of indirect reciprocity. Scientific Reports 6, article number: 31459. (10.1038/srep31459)

2015

• Burnap, P., Colombo, G. and Scourfield, J. B. 2015. Machine classification and analysis of suicide-related communication on Twitter. Presented at: 26th ACM Conference on Hypertext & Social Media, Cyprus, 1-4 September 2015HT '15- Proceedings of the 26th ACM Conference on Hypertext & Social Media. Association for Computing Machinery pp. 75-84.
• Mordacchini, M. et al. 2015. Crowdsourcing through cognitive opportunistic networks. ACM Transactions on Autonomous and Adaptive Systems 10(2), article number: 13. (10.1145/2733379)
• Chorley, M. J., Colombo, G. B., Allen, S. M. and Whitaker, R. M. 2015. Human content filtering in Twitter: The influence of metadata. International Journal of Human-Computer Studies 74, pp. 32-40. (10.1016/j.ijhcs.2014.10.001)
• Colombo, G. B., Burnap, P., Hodorog, A. and Scourfield, J. B. 2015. Analysing the connectivity and communication of suicidal users on Twitter. Computer Communications 73(B), pp. 291-300. (10.1016/j.comcom.2015.07.018)

2013

• Chorley, M., Colombo, G. B., Allen, S. M. and Whitaker, R. M. 2013. Visiting patterns and personality of foursquare users. Presented at: Third International Conference on Social Computing and its Applications, Karlsruhe, Germany, 30 Sept - 2 Oct 2013. , (10.1109/CGC.2013.50)

2012

• Allen, S. M., Chorley, M., Colombo, G. B. and Whitaker, R. M. 2012. Opportunistic social dissemination of micro-blogs. Ad Hoc Networks 10(8), pp. 1570-1585. (10.1016/j.adhoc.2011.04.012)
• Colombo, G. B., Chorley, M., Williams, M. J., Allen, S. M. and Whitaker, R. M. 2012. You are where you eat: foursquare checkins as indicators of human mobility and behaviour. Presented at: IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops), Lugano, Switzerland, 19-23 March 20122012 IEEE International Conference on Pervasive Computing and Communications Workshops (PERCOM Workshops). Picastaway, NJ: IEEE pp. 217-222., (10.1109/PerComW.2012.6197483)
• Chorley, M., Colombo, G. B., Allen, S. M. and Whitaker, R. M. 2012. Better the tweeter you know: social signals on Twitter. Presented at: Fourth ASE/IEEE International Conference on Social Computing 2012 (SocialCom 2012), Amsterdam, Netherlands, 3-5 September 2012 Presented at Nijholt, A., Vinciarelli, A. and Heylen, D. eds.Proceedings of the 2012 ASE/IEEE International Conference on Privacy, Security, Risk and Trust and 2012 ASE/IEEE International Conference on Social Computing: SocialCom/PASSAT 2012. Los Alamitos, CA: IEEE pp. 277-282., (10.1109/SocialCom-PASSAT.2012.27)

2011

• Allen, S. M., Chorley, M., Colombo, G. B., Jaho, E., Karaliopoulos, M., Stavrakakis, I. and Whitaker, R. M. 2011. Exploiting user interest similarity and social links for micro-blog forwarding in mobile opportunistic networks. Pervasive and Mobile Computing n/a (10.1016/j.pmcj.2011.12.003)

2010

• Allen, S. M., Colombo, G. B. and Whitaker, R. M. 2010. Cooperation through self-similar social networks. ACM Transactions on Autonomous and Adaptive Systems 5(1), article number: 4. (10.1145/1671948.1671952)
• Allen, S. M., Colombo, G. B. and Whitaker, R. M. 2010. Uttering: social micro-blogging without the internet. Presented at: 2nd International MobiSys Workshop on Mobile Opportunistic Networking, Pisa, Italy, 22-23 February 2010 Presented at Palazzo, S., Camp, T. and Conti, M. eds.MobiOpp '10 Proceedings of the Second International Workshop on Mobile Opportunistic Networking, Pisa, Italy, 22-23 February, 2010. New York, NY: ACM pp. 58-64., (10.1145/1755743.1755754)
• Colombo, G. B. and Allen, S. M. 2010. A comparison of problem decomposition techniques for the FAP. Journal of Heuristics 16(3), pp. 259-288. (10.1007/s10732-009-9116-4)

2008

• Colombo, G. B., Whitaker, R. M. and Allen, S. M. 2008. Cooperation in social networks of trust. Presented at: 2nd IEEE International Conference on Self-Adaptive and Self-Organizing Systems, Venice, Italy, 20-24 October 2008 Presented at Di Marzo Serugendo, G. and Gleizes, M. eds.SASOW 2008 proceedings: Second IEEE International Conference on Self-Adaptive and Self-Organizing Systems Workshops, Venice, Italy, 20-24 Oct. 2008. Los Alamitos, CA: IEEE pp. 78-83., (10.1109/SASOW.2008.39)
• Colombo, G. 2008. A decomposition approach for the Frequency Assignment Problem. PhD Thesis, Cardiff University.

2007

• Colombo, G. B. and Allen, S. M. 2007. Problem decomposition for minimum interference frequency assignment. Presented at: IEEE Congress on Evolutionary Computation, 2007, Singapore, 25-28 September 2007CEC 2007, IEEE Congress on Evolutionary Computation, 2007. Piscataway, N.J.: IEEE pp. 3492-3499., (10.1109/CEC.2007.4424925)

2005

• Colombo, G. and Mumford, C. L. 2005. Comparing algorithms, representations and operators for the multi-objective knapsack problem. Presented at: 2005 IEEE Congress on Evolutionary Computation, Edinburgh, UK, 2-5 September 2005The 2005 IEEE Congress on Evolutionary Computation, Vol. 2. IEEE pp. 1268-1275., (10.1109/CEC.2005.1554836)