Refereed Journal and Conference: Please note that these are pre-prints.
- P. Contreras and F. Murtagh. "Fast, Linear Time Hierarchical Clustering using the Baire Metric", Journal of Classification. Forthcoming.
- F. Murtagh and P. Contreras. "Fast redshift clustering with the Baire (ultra) metric", in B. Zavidovique and G. Bosco, Eds., Science: Image in Action, Proceedings of the 7th International Workshop on Data Analysis in Astronomy, Livio Scarsi and Vito DiGesu, World Scientific, pp. 64–76, 2012.
- F. Murtagh and P. Contreras. "Fast, Linear Time, m-Adic Hierarchical Clustering for Search and Retrieval using the Baire Metric, with linkages to Generalized Ultrametrics, Hashing, Formal Concept Analysis, and Precision of Data Measurement". p-Adic Numbers, Ultrametric Analysis and Applications, Vol. 4, No. 1, pp. 45–56. 2012.
- F. Murtagh and P. Contreras. "Hierarchical Clustering for Finding Symmetries and Other Patterns in Massive, High Dimensional Datasets". D. Holmes, editor, Data Mining: Foundations and Intelligent Paradigms. Springer. Vol. 23, No. 1, pp. 95-130. 2012.
- F. Murtagh and P. Contreras. "Methods of Hierarchical Clustering". Data Mining and Knowledge Discovery. Wiley-Interscience, Vol. 2, No. 1, pp. 86–97. 2012.
- F. Murtagh and P. Contreras. "Algorithms for hierarchical clustering: An Overview". Data Mining and Knowledge Discovery, Wiley Interdisciplinary Reviews (WIRES). John Wiley & Sons, 2011.
- J. Pereira, F. Schmidt, P. Contreras, F. Murtagh, and H. Astudillo.
"Clustering and Semantics Preservation in Cultural Heritage Information Spaces",
RIAO'2010, 9th international conference on Adaptivity, Personalization and Fusion
of Heterogeneous Information. Paris, France. 28-30 April, 2010.
- F. Murtagh, P. Contreras and J. Starck, "Scale-Based Gaussian Coverings: Combining Intra and Inter Mixture Models in Image Segmentation" Entropy September 2009, 11(3), 513-528.
- P. Contreras and F. Murtagh. "Fast Hierarchical Clustering From the Baire Distance",
Classification as a Tool for Research. Proceedings of the 11th IFCS Biennial Conference
and 33rd Annual Conference of the Gesellschaft für Klassifikation e.V., pp 235–243.
Dresden, Germany. March 13–18 2009.
- Stefano Bormuri, Visara, P. Contreras, C. Stathis. "A Virtual E-retailing Environment in GOLEM",
IET International Conference on Intelligent Environments, Seattle, USA, 21-22 July 2008.
- D. Rosenberg, M. Lievonen, P. Contreras, F. Murtagh, G. Kuehn, and R. Doerner. Book chapter.
"Application Design of Learning Grid in Computer-Mediated Communication". March 2008.
- F. Murtagh, G. Downs and P. Contreras. "Hierarchical Clustering of Massive,
High Dimensional Data Sets by Exploiting Ultrametric Embedding". SIAM Jnl on Scientific
Computing. Vol. 30, No. 2, pp. 707–730. March 2008.
- P. Contreras, "Software Development and Middleware For Virtual Organisations".
Master of Philosophy Dissertation. School of Electronics, Electrical Engineering
and Computer Science. The Queen’s University of Belfast. September 2006.
- P. Contreras and F. Murtagh, "AstroGrid as e-Learning Platform". 1st International
Kaleidoscope Learning Grid SIG Workshop on Distributed e-Learning
Environments. Naples, Italy. 14 March 2005.
- S. Johnstone, P. Contreras, F. Murtagh, P. Sage, "Peer-to-Peer Information
Access & Retrieval", Ingénierie des systmes d’information. France. January
2005.
- P. Contreras, S. Johnstone, F. Murtagh and K. Englmeier, "Distributed multimedia
content with P2P JXTA technology", Inclusive Design in the Information
Society, Volume 4 of universal access in HCI 2003 International Conference on
Human Computer Interaction, Eds. C. Stephanidis, Crete, June 2003, Lawrence
Erlbaum, Mahwah, NJ, pp.690-694, 2003.
- F. Murtagh, T. Taskaya, P. Contreras, J. Mothe and K. Englmeier, "Interactive
visual user interfaces: a survey", Artificial Intelligence Review, 19, 263-283, 2003.
- P. Contreras, M. Kokuer, M. Louys and F. Murtagh, "Semantic description
of signal and image databases", in: Opto-Ireland 2002: Optical Metrology,
Imaging, and Machine Vision. Eds. A. Shearer, F.D. Murtagh, J. Mahon, and
P.F. Whelan. Proceedings of the SPIE, Volume 4877, pp. 230-237, 2003.
- T. Taskaya, P. Contreras, F. Tao and F. Murtagh, "Data visualization for large
datasets", Usability Evaluation and Interface Design: Cognitive Engineering,
Intelligent Agents and Virtual Reality, Volume 1 of HCI 2001 International
Conference on Human Computer Interaction, Eds. M.J. Smith, G. Salvendy, D.
Harris, and R.J. Koubek, New Orleans, LA, August 2001, Lawrence Erlbaum,
Mahwah, NJ, pp. 913-917, 2001.
- F. Tao, P. Contreras, B. Pauer, T. Taskaya and F. Murtagh, "User interest
correlation in log data", Usability Evaluation and Interface Design: Cognitive
Engineering, Intelligent Agents and Virtual Reality, Volume 1 of HCI 2001
International Conference on Human Computer Interaction, Eds. M.J. Smith,
G. Salvendy, D. Harris, and R.J. Koubek, New Orleans, LA, August 2001,
Lawrence Erlbaum, Mahwah, NJ, pp. 938-942, 2001.
- U. Vorphal, J. Pereira, P. Contreras and N. Salazar, "Construction methodology
of management control ratios using rationales of systems dynamics and
multi-criteria decision aid", INFORMS/ KORMS Seoul- Korea Information and
Knowledge Management in the 21st century, 2000.
- Various talks can be found here
- Various lectures can be found here
- P. Contreras and F. Murtagh. British Classification Society Meeting and AGM. "Fast Hierarchical Clustering Algorithm". Royal Holloway, University of London. 20 November 2009. Egham, UK.
- P. Contreras and F. Murtagh. "Fast Hierarchical Clustering From the Baire Distance". Doctoral Consortium on Computer Science and Informatics. British Computer Society. 28 May 2009. London, UK.
- P. Contreras, F. Murtagh, and J. Dean. "Fast Clustering Algorithm for Application in Science". Alan Tayler's Day, organised by Smith Institute for Industrial Mathematics and System Engineering. St. Catherine's College. 24 October 2008. Oxford, UK.
- P. Contreras and F. Murtagh. "Fast Clusterwise m-Adic Regression: Application to Redshift Calibration". 5th Astronomical Data Analysis Conference. 7--9 May 2008. Heraklion, Greece.
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P. Contreras and F. Murtagh. "Evaluation of Hierarchies Based on the Longest Common Prefix or Baire, Metric".
The North American Classification Society meeting (CSNA). University of Illinois. Urbana-Champaign. USA. 9 June 2007.
- P. Contreras, S. Johnstone and F. Murtagh, "Peer to peer based retrieval of distributed image stores: demonstrator using JXTA", Proceedings of the iAstro/IDHA Workshop Strasbourg Observatory, 28-29 November 2002.
- P. Contreras and F. Murtagh. "Fast Hierarchical Clustering Algorithm for Redshift Calibration". 6th Astronomical Data Analysis Conference, 3--7 May 2010. Monastir, Tunisia.
- P. Contreras, F. Murtagh, and J. Dean. "Fast Clustering Algorithm for Application in Science". Tayler's Day, organised by Smith Institute for Industrial Mathematics and System Engineering, 30 November 2009. Oxford, UK.
- I. Evans-Osses, A. Santos e Silva, J. Toscano, P. Contreras, and M. Ramirez. "A Combined in Silico and in Vitro Strategy to Analyze Hypothetical Proteins in Giardia Intestinalis". XXIV Annual Meeting of the Brazilian Society for Protozoology/XXXV Meeting on Basic Research in Chagas Disease. 27--29 October 2008. "Aguas de Lindoia". Brasil.
- P. Contreras, F. Murtagh, and J. Dean. "Data Matching and Classification". Alan Tayler's Day, organised by Smith Institute for Industrial Mathematics and System Engineering. 26 November 2007. Oxford, UK.
- Various can be found in the following address:http://thames.cs.rhul.ac.uk/wstalk/papers.html
- Distributed Development Process AstroGrid Experience for WS-Talk
- Web services communicating in the language of their user community