Dr Walter Colombo

2024

• 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

• 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)
• 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)

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)

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)