David Hales' home page

David Hales' Talks

Talks

Hales, D. (2016) Evolving Cooperation in Games using Agent-Based Modelling. Guest lecture, game theory course, University of Szeged, Hungary, April 11th. PDF. Models and other supporting materials can be found here>.

Hales, D. (2014) Self-Organised Groups Produce Cooperation in Commons Dilemmas. University of Szeged, Hungary. Invited lecture. March 12th. PDF. Movies: SLACER.MP4 and SLAC.MP4.

Hales, D. (2014) Incentives in Transformation - P2P, ABM and a new kind of Policy. University of Essex, Computational Fiance MSc, Invited guest lectures and lab sessions Feb 26th. Slides: PDF. Outline of the day: PDF.

Hales, D. (2014) Modelling Collective Commons Problems: Future Scenarios for P2P “Money”. Invited talk presented at ESRC Diversity in Macro Economics Conference, University of Essex, Feb. 24, 2014. Slides: PDF. Extended abstract: PDF.

Hales, D. (2014) KnowDoBe: Cognition beyond problem solving. FET information day, Brussels. Jan 20th, 2014. Slides: PDF.

Hales, D. (2012) Cooperation through the endogenous evolution of social structure. Talk presented at the Complex 2012 conference, Santa Fe, NM, USA, Dec. 6th. Slides PDF.

Hales, D. (2012) Emergent Group Selection: Tags, Netowkrs and Society. Talk presented at Arazona State University, Pheonix, USA, Nov. 29th. Slides PDF and Abstract PDF.

Hales, D. (2012) Some Questions. Talk presented at the NESS grand challenges workshop, Brussels, March 29th 2012. Slides PDF and Abstract PDF.

Hales, D. (2012) Towards a Real-Time-Composition agent algorithm - some initial rules of thumb. Talk presented at the Workshop on Social Stigmergy, Atelier RE.AL, Lisbon, 3-5th of Feb. 2012. PPT or PDF.

Hales, D. (2011) Rationality meets the tribe: Some models of cultural group selection. Talk presented at the Interdisciplinary workshop on the evolution of social norms, Henley Busuniess School, Henley-on-Thames, UK. 15-16th of Dec. 2011. PPT or PDF plus GIF animation

Hales, D. (2011) Socio-economics inspired distributed systems design. Talk presented at the Open University, Design Group Seminar, UK, 16th Nov. 2011. PPT or PDF.

Hales, D. (2011) The social transformation and your role in it. Talk presented in the PhD in progress workshop at the ECCS2011 conference, Vienna, 14th Sept. PPT or PDF. An associated booklet for the workshop can be found here: PDF. The Following video was shown during the talk: inf-networks.flv.

Halas, D. (2011) Denationalising Money: can quality emerge? Talk presented in the NESS workshop at the ECCS2011 conference, Vienna, 14th Sept. PPT or PDF. An abstract for the talk is here PDF. Following videos were shown during the talk: bitcoin.flv, new-ripple.flv.

Hales, D. (2011) The Socio-Economics of P2P Systems. Invited talk presented to the Warwick Business School Exective MBA programme, Warwick, UK, 16th June. PPT or PDF. Following videos were shown during the talk: bitcoin.flv, ripple.flv, ultrahedge.flv.

Hales, D. (2011) The Socio-Economics of Pervasive Systems. Invited talk presented at the EPFL Summer Research Institute, Lausanne, Switzerland, 14th June. PPT or PDF.

Hales, D. (2011) The Socio-Economics of P2P Systems. Invited talk presented to the Lisbon Complexity Group, Lisbon, Portugal, 3rd June 2011. PPT or PDF. Following videos were shown during the talk: bitcoin.flv, ripple.flv.

Hales, D. (2010) Stigmergy: emergent cooperation. Invited talk and discussion with João Fiadeiro on the relationship between collective artistic improvisation (using the Real Time Composition method) and emergent cooperation theory as studied in Complexity Science. Part of the WINLAB Festival 2010 - organised by Independent Dance and supported by the Arts Council England, Siobhan Davies Studios, London, December 7th 2010. PPT or PDF.

Hales, D. (2010) The Socio-Economics of P2P Systems. Invited talk presented at the PerAda Summer School 2010, Budapest, Sept. 20-27. PPT or PDF.

Hales, D. (2010) Towards a Quality Financial Commons? Presented at the Social Complexity of Informal Value Exchange workshop (SCIVE 2010) at the European Conference on Complex Systems (ECCS2010), Lisbon, Sept 2010. PPT or PDF.

Hales, D. (2010) Exploiting self-orgnisation in techno-social systems. Invited talk presented at the workshop: Amorphous Computing & Complex Biological Networks, Sheffield University, 17-20th August 2010. PPT or PDF.

Hales, D, (2010) P2P Interacton in Socially Intelligent ICT. Invited talk presented at the workshop: Towards a Science of Socially Intelligent ICT, (flyer.pdf) Imperial College London, 3rd August 2010. PPT or PDF. See online video of the talk at: http://vimeo.com/14765036

Hales, D. (2010) Towards a Quality Financial Commons? Invited talk presented at the Quality Commons Workshop, Paris, January 2010. PPT or PDF. See associated position paper: PDF.

Hales, D. and Gilbert, N. (2009) QLectives: Socially Intelligent Systems for Quality Collectives. Presented at the ECCS2009 - European Conference on Complex Systems - ASSYST COSI-ICT workshop, Warwick university, UK, Sept. 22nd 2009. KEY or PDF. See online video of the talk at: http://vimeo.com/7014245

Hales, D. (2009) BitTorrent - from swarms to collectives. Invited talk at the ECCS2009 - European Conference on Complex Systems - Track D: Complexity and Computer Science, Warwick university, UK, Sept. 21st 2009. PPT or PDF. See online video of the talk at: http://vimeo.com/7451674

Hales, D. (2009) BitTorrent or BitCrunch: Evidence of a credit squeeze in BitTorrent? Presented at 18th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises - WETICE 2009 (COPS workshop), Groningen 29th Jun 2009. PPT or PDF.

Hales, D. (2009) QLectives: Quality Collectives. Brief overview of QLectives EU project presented to the ASSYST (COSI-ICT CA) kick-off meeting in at Institut des Systèmes Complexes, Paris Île-de-France, 57 rue Lhomond, Paris, Feb 27th 2009. PPT or PDF.

Hales, D. (2009) Collaboration with ESSA - Bulding Bridges. Brief histroy of ESSA and colloboation ideas presented to the ASSYST (COSI-ICT CA) kick-off meeting in at Institut des Systèmes Complexes, Paris Île-de-France, 57 rue Lhomond, Paris, Feb 27th 2009. PPT or PDF.

Hales, D. (2009) Virtual Communities and Peer-to-Peer Networks. Presented at the 3TU-Winterschool in Human Technology Interaction, Almen, the Netherlands, 30th Jan 2009. PPT or PDF.

Hales, D. (2008) Economics of P2P file-sharing systems. Petamedia meeting, TU Berlin, 22nd Oct. 2008. PPT or PDF

Hales, D. (2008) Metadata, Moderation & Vote Sampling for improved search - plus the bigger picture. Sept 16th, 2008, Tribler group, TU Delft. PPT or PDF.

Hales, D. (2008) Economics of P2P file-sharing systems - Basic introduction to the (sociology and) economics of file-sharing in BitTorrent systems Tribler course on advanced P2P technology. May 27th, 2008, Delft, Netherlands. PPT or PDF.

Hales, D. (2008) DELIS SP5: Biologically Inspired Techniques for "Organic IT" Final Year Report. Final DELIS review, Barcelona, Fab 29th 2008. PPT or PDF.

Hales, D. (2008) Towards a group selection design pattern. DELIS final workshop, Barcelona, Feb 27-28, 2008. PPT or PDF.

Hales, D. (2008) QLecives: Quality Collectives. Proposal overview for the COSI-ICT call presented at the COSI-ICT information day, Brussels, Jan 24th 2008. PPT or PDF.

Hales, D. (2008) Web *.0 ? - Combining peer production and peer-to-peer systems. Invited talk at the COSI-ICT information day, Brussels, Jan 24th 2008. PPT or PDF.

Hales, D. (2007) Novel Models of Group Selection in Social Structures and Networks. Invited talk @ SOMS, ETH, Zurich, Oct. 16. PPT or PDF. Note: this talk was cancelled due to ill health at late notice. I offer my appologies for those who hoped to attend and include slides for reference.

Hales, D. (2007) Rationaliy and Power: the "gap in the middle" in ICT. Position paper presented at FET COSI-ICT workshop, Dresden, Oct. 6th. PPT or PDF.

Hales, D. (2007) Overview of background document for science of complex systems for socially intelligent ICT. Presented at FET COSI-ICT workshop, Dresden, Oct. 6th. PPT or PDF.

Hales, D. (2007) Emergent Networks as Distributed Reputation System. Invited talk. Presented at ECCS2007 workshop: "Enhancing Social Interactions: Recommendation Systems, Reputation, P2P, Trust and Social Networks", Dresden, Oct. 4th. PDF. Watch the talk online at: http://videolectures.net/eccs07_hales_end/

Hales, D. (2007) Social Simulation for Self-* Systems: An idea whose time has come?. Invited keynote talk. Presented at the 4th European Social Simulation Association (ESSA) conference, 2007, Toulouse, 13th Sept. PPT or PDF.

Hales, D. (2007) Towards Cooperative Self-Organised Replica Management. Presented at SASO2007, Cambridge, Mass. July 11th. PPT or PDF.

Hales, D. (2007) You are all social scientists: You just don't know it yet. Presented as a contribution to a pannel discussion at SASO2007, Cambridge, Mass. July 11th. PPT or PDF.

Hales, D. (2007) Self-Organising Networks of Services without Money or Contracts. Invited talk. Presented at the SSME Workshop, Crete, May 31st. PPT or PDF.

Hales, D. (2007) DELIS SP5 third year report. Presented at the DELIS internal third year meeting, Bertinoro, Italy, Jan. 23-26th. PPT or PDF.

Patarin, S. & Hales, D. (2006) How to cheat BitTorrent and Why Nobody Does. Presented at the European Conference on Complex Systems (ECCS2006) by S. Patarin, Oxford, UK, PPT or PDF.

Hales, D. (2006) Altruism "for free". Presented at the NANIA Workshop in Ambleside, UK on 31st August 2006. Available as: PowerPoint (500kb) or PDF (2mb), supporting movie.avi (1mb) or movie.mov (2.5mb)

Hales, D. (2006) Simple Rewire Protocols for Cooperation in Dynamic Networks. Presented at the Bio-Inspired Workshop in Rome, Italy on 25th July 2006. Available as: PowerPoint (2mb) or PDF (2mb).

Hales, D. (2006) Simple Rewire Protocols for Cooperation in Dynamic Networks. Presented at the Cooperation in Selfish Systems incoporating TagWorld1 (CSS-TW1) Workshop, 27th May 2006. Available as: PowerPoint (2mb) or PDF (2mb).

Hales, D. (2006) Welcome and Motivation. Presented at the start of the Cooperation in Selfish Systems incoporating TagWorld1 (CSS-TW1) Workshop, 27th May 2006. Available as: PowerPoint (1mb) or PDF (1.7mb).

Hales, D. (2006) Introduction to Genetic Algorithms. Guest lecture, Complex Adaptive Systems Course, University of Bologna, Dept. Computer Science, 21st March. Available as: PowerPoint (350k) or PDF (1mb). GA's with Java applets website link. Cached version of website link. Also a movie of an evolving virtual robot learning to walk mpg (1.4mb).

Hales, D. (2006) Socially Inspired Approaches to Evolving Cooperation. Invited talk at University of Modena Emilia-Romagna, Feb 28th. PowerPoint (380k) or PDF (560k)

Hales, D. (2006) SLAC and SLACER: Simple copy & rewire algorithms for trust and cooperation in P2P. Presented at the DELIS SP3/SP4 intneral workshop, Paderborn, Germany, Jan 19th. Available as PowerPoint (2mb) or PDF (2mb).

Hales, D. (2006) DELIS SP5 second year report and future directions. Presented at the DELIS internal second year meeting, Paderborn, Germany, Jan. 18-19th. Available as PowerPoint (3mb) or PDF (5mb).

Hales, D. (2005) SLACER: randomness to cooperation in peer-to-peer networks. Presented at the Workshop on Stochasticity in Distributed Systems (STODIS'05) co-located with the IEEE CollaborateCom Conference, Dec. 19, 2005. San Jose, CA. Available as PowerPoint (1mb) or PDF (1.5mb).

Hales, D. (2005) Putting Evolution into Networks for Cooperation. Presented at the DELIS CCT2 internal meeting, Patras, Greece, Dec. 10th. Not available.

Hales, D. (2005) Tribal Programming for a Better World. Invited talk at the Multi-Agents for modeling Complex Systems (MA4CS'05) workshop at the European Conference on Complex Systems (ECCS'05), Nov. 18th, Paris, France. Rough notes from talk available as PDF (30kb).

Hales, D. (2005) Emergent Group-Like Selection in a Peer-to-Peer Network. Presented at the European Conference on Complex Systems (ECCS'05), Nov. 16th, Paris, France. Available as: PowerPoint (1.4mb) or PDF (1mb).

Hales, D. (2005) Altruism "for free" using Tags. Presented at the European Conference on Complex Systems (ECCS'05), Nov. 14th, Paris, France. Available as: PowerPoint (400kb) or PDF (1.7mb).

Hales, D. (2005) Neo-Tribes for trust and cooperation in P2P. Presented at the 3rd European Social Simulation Association (ESSA 2005) conference, Koblenz, Germany, Sept 6-9 2005. Available as PowerPoint (1.9mb) or PDF (7.2mb).

Hales, D. (2005) SLAC and SLACER: Simple copy & rewire algorithms for trust and cooperation in P2P. Presented at the Conference: Algorithmic Aspects of Large Complex Networks, Dagstuhl, Germany, Sept 5-9 2005. Available as PowerPint (2mb) or PDF (6.7mb).

Hales, D. (2005) Evolving networks for cooperation. Presented at the DELIS CCT3 internal meeting, Dagstuhl, Germany, Sept 3-4 2005. Available as PowerPint (1.2mb) or PDF (5mb).

Hales, D. (2005) Evolving P2P overlay networks with Tags, SLAC and SLACER for Cooperation and possibly other things… Presented at the DELIS SP6 internal meeting in Saarbrucken, Germany, July 19-20 2005. Available as PowerPoint (1.1mb) or PDF (3.3mb).

Hales, D. (2005) Choose Your Tribe! - Evolution at the Next Level in a Peer-to-Peer Network. Presented at the 3rd Workshop on Engineering Self-Organising Applications (EOSA 2005) located with the AAMAS 2005 conference, July 26th, 2005, Utrect, Netherlands. Available as PowerPoint (1.4mb) or PDF (4.6mb). Also see animation of evolving network structure GIF (4.1mb) or PowerPoint (4.6mb) and pdf snapshots at various cycles.

Hales, D. (2005) DELIS SP5 - Implementation Plan months 13-30 Overview + WP5.3 Detail. Presented at the DELIS SP5 meeting in Barcelona, July 8th 2005. Available as PowerPoint (806k) or PDF (6.3mb).

Hales, D. (2005) Socially Inspired Approaches to Evolving Cooperation. Guest lecture, Self-managing information systems course, University of Bologna, Dept. Computer Science, 1st of June. Available as: PowerPoint (380k) or PDF (28mb).

Hales, D. (2005) Engineering with Sociological Metaphors: Examples and Prospects. Presented at the AISB2005 Symposium - Engineering with Social Metaphors, University of Hertfordshire, UK, April 14th. Contains workshop intro. slides, my talk and final workshop discussion slide. Available as PowerPoint or PDF.

Hales, D. (2005) Finding Cooperative (tag-based) Stereotypes with Semi-Automated Searching. Presented at the AISB2005 Symposium - Emerging Artificial Societies, University of Hertfordshire, UK, April 13th. Available as PowerPoint or PDF.

Hales, D. (2005) Introduction to Genetic Algorithms. Guest lecture, Complex Adaptive Systems Course, University of Bologna, Dept. Computer Science, 15th of March. Available as: PowerPoint (80k) or PDF (116k). GA's with Java applets website link. Cached verson of website link.

Hales, D. (2005) Recent directions in DELIS / Overview of on-going work. Presented at the BISON internal project meeting Dresden, Germany 18th of Jan 2005. Available as: PowerPoint (976KB) or PDF (37mb)

Mollona, E. & Hales, D. (2004) Knowledge-Based Jobs and the Boundaries of Firms - Agent-based simulation of Firms Learning and Workforce Skill Set Dynamics. Presetned at the Wild@Ace workshop, Dec 3-4, Torino, Italy. Available as: PowerPoint (416KB) or PDF (12.5mb)

Hales, D. (2004) Understanding Tag Systems by Comparing Tag Models. Presented at the Second Model-to-Model Workshop (M2M2) co-located with the Second European Social Simulation Association Conference (ESSA'04) at Valladolid, Spain 16-19th of Sept 2004. Available as: PowerPoint (1.4MB) or PDF(8.2mb)

Hales, D. (2004) From Selfish Nodes to Cooperative Networks – Emergent Link-based Incentives in Peer-to-Peer Networks. Presented at The Fourth IEEE International Conference on Peer-to-Peer Computing (p2p2004), 25-27 August 2004, Zurich, Switzerland. Available as: PowerPoint (524KB) or PDF (3.2mb)

Hales, D. (2004) Information wants to be free - and it will be! Three slides presented at the pannel discussion of The Fourth IEEE International Conference on Peer-to-Peer Computing (P2P2004), 25-27 August 2004, Zurich, Switzerland. Available as: PowerPoint (144KB) or PDF (88KB)

Hales, D. (2004) Self-Organising, Open and Cooperative P2P Societies – From Tags to Networks. Presented at the 2nd Workshop on Engineering Self-Organsing Applications (ESOA 2004) located with the AAMAS 2004 conference, New York, July 2004. Available as: PowerPoint (752KB) or PDF (5.8mb)

Hales, D. (2004) Change Your Tags Fast! - a necessary condition for cooperation? Presented at the MAMABS workshop located with the AAMAS 2004 conference, New York, July 2004. Available as: PowerPoint (1.2mb) or PDF (7.7mb)

Hales, D. (2004) Cooperation with Strangers. Short summary of work in progress presented at FuDiCo II: S.O.S. Survivability: Obstacles and Solutions, the 2nd Bertinoro Workshop on Future Directions in Distributed Computing. 23-25 June 2004. Available as: PowerPoint (188KB) or PDF(716KB)

Hales, D. (2004) Self-Organising, Open and Cooperative P2P Societies – From Tags to Networks. Presented at the BISON meeting in Bertinoro 2-3 June 2004 and very briefly summarised at the Self-* workshop (31 May - 2nd June 2004) slot on work in progress. Here new results are presented since the dept. seminar given previously. Available as: PDF (3.5mb)

Hales, D. (2004) Self-Organising, Open and Cooperative P2P Societies – From Tags to Networks. Presented at the University of Bologna, Dept of Computer Science (seminar), 27th of April 2004. Available as: PowerPoint (768KB) or PDF (6.3mb)

Hales, D. (2004) Example of Application of a Biological / Social Metaphore to DELIS-like Problem. Presented at the DELIS kick-off meeting (internal SP5) 19th of March 2004 in Paderborn, Germany. Available as: PowerPoint (96KB) or PDF (200KB)

Hales, D. (2004) Outline of DELIS Subproject 5 Internal meeting. Presented at the DELIS kick-off meeting (internal SP5) 19th of March 2004 in Paderborn, Germany. Available as: PowerPoint (136KB) or PDF (376KB)

Hales, D. (2004) Outline of Uninversity of Bologna Involvement in the DELIS project. Presented at the DELIS internal kick-off meeting 18th of March 2004 in Paderborn, Germany. Available as: PowerPoint (160KB) or PDF (1.4mb)

Rouchier, J. & Hales, D. (2003) How To Be Loyal, Rich And Have Fun Too - The Fun Is Yet To Come. Presented at the 1st ESSA Conference in Groningha on the 21st of Sept. 2003. Available as: PowerPoint (196KB) or PDF (1.2mb)

Hales, D. (2003) Evolving Social Rationality for MAS using "Tags" - Trying to "make things work" by applying results gained from Agent-Based Social Simulation. Presented at the AAMAS03 Conference in Melbourne on the 17th of July 2003. Available as: PowerPoint (168KB) or PDF (428KB)

Hales, D. (2003) Can Tags Build Working Systems? From MABS to ESOA - Attempting to apply results gained from Multi-Agent-Based Social Simulation (MABSS) to Engineering Self-Organising Applications (ESOA). Presented at the ESOA workshop in Melbourne (as part of AAMAS03) on the 15th of July 2003. Available as: PowerPoint (240KB) or PDF (564KB)

Hales, D. (2003) Welcome to MABS2003 - An brief introduction to the MABS2003 workshop. Presented at the start of the MABS workshop in Melbourne (as part of AAMAS03) on the 14th July 2003. Available as PowerPoint (75KB).

Hales, D. (2003) Putting "tags" to work - Attempting to apply results gained from agent-based social simulation (ABSS) to multi-agent systems (MAS). Presented at the University of Bologna, Dept of Computer Science 29th May 2003. Available as: PowerPoint (235KB).

Edmonds, B. & Hales, D. (2003) Replication, Replication and Replication - Some Hard Lessons from Model Alignment. Presented at theM2M Workshop 31st March and 1st April 2003 in Marseilles, France. Also contains some summary information about the workshop on the last few slides. Available as: PowerPoint (564KB) or PDF (15.7mb)

Hales, D. (2002) Evolving Specialisation, Altruism & Group-Level Optimisation Using Tags - The emergence of a group identity? Presented at the EPSRC Network on Evolvability in Biological & Software Systems, Workshop on Evolvability and Individuality, St. Albans, Sept. 2002. Available as: PowerPoint (184KB) or PDF (324KB)

Hales, D. (2002) Neg-o-Net v2.0. Presented at the FIRMA internal workshop, Koblenz, Sept. 2002. Available as: PowerPoint (100KB) or PDF (3.5mb)

Hales, D. (2002) Evolving Specialisation, Altruism and Group-Level Optimisation Using Tags. Presented to the MABS'02 workshop at the AAMAS 2002 Conference. July 2002. Available as: PowerPoint (72KB) or PDF (172KB)

Hales, D. (2002) The Evolution of Specialization in Groups. Presented to the RASTA'02 workshop at the AAMAS 2002 Conference. July 2002. Available as: PowerPoint (131KB) or PDF (436KB)

Hales, D. & Douce, C. (2002) Agent Based Modelling of Software Organisations. Presented at he 14th Annual Workshop of the Psychology of Programming Interest Group, Brunel University, London, UK. June 2002. Available as: PowerPoint (30KB) or PDF (52KB)

Hales, D. (2002) Neg-o-Net v1.0. Presented at the FIRMA internal workshop, Maastricht, April 2002. Available as: PowerPoint (100KB) or PDF (1.8mb)

Hales, D. (2001) From Part-Net to Neg-o-Net? Presented at the Institute of Environmental Change, FIRMA internal modelling workshop, Oxford, December 2001. Available as: PowerPoint (64KB) or PDF (2.8mb)

Hales, D. (2001) Evolving cooperation in one-time interactions with strangers. Was to be presented at IP-CNR Rome. 18th Dec (cancelled). Available as: PowerPoint (122KB) or PDF (320KB)

Hales, D. (2001) Norms as a socio-cognitive process not objects. Presented at the ABSS SIG AgentLinkII workshop, December 2001, Amsterdam. Available as: PowerPoint (56KB) or PDF (120KB)

Hales, D. (2001) Tags Produce Cooperation in the Prisoner's Dilemma. Presented at the SimSocV workshop: "The frontiers of social science simulation", September 2001, Kazimierz Poland. Available as: PowerPoint (100KB) or PDF (240KB)

Hales, D. (1998) Viruses Can Be Good Guys Too - May I Infect You?. Invited talk presented at the UCL AI seminar series, September 1998, University College London, UK.

Hales, D. (1998) Artificial Societies, Theory Building and "Ceduction". Presented at the CRESS workshop: "The Potential of Computer Simulation in the Social Sciences", January 1998, University of Surrey, UK. No slides are available but see this chapter of my thesis for the basic idea.