» Complex Systems Computation Group CoSCo
Tommi Mononen defends his PhD thesis at a public examination.
The opponent is Prof. Ioan Tabus (Technical University of Tampere).
Dissertation at e-thesis
Petri Kontkanen defends his PhD thesis at a public examination.
The opponent is Prof. Kenji Yamanishi (University of Tokyo).
Dissertation at e-thesis
Teemu Roos receives the 2009 Cor Baayen Award.
Cor Baayen Award
The ICANN-09 Best Student Paper Award is presented to
Jukka Perkiö for his paper "Modelling image complexity by
ICA, with application to content-based image retrieval"
(with Aapo Hyvärinen)
Jorma Rissanen receives the 2009 IEEE Claude E. Shannon Award and
gives the Shannon Lecture at ISIT 2009.
Teemu Roos presents the paper "Sparse Markov source estimation via transformed Lasso" at the IEEE Information Theory Workshop, Volos, Greece.
Tomi Silander defends his PhD thesis "The Most Probable Bayesian
Network and Beyond" at 10 o'clock.
University Main Building, Auditorium XII.
dissertation at E-Thesis
Tomi Silander presents a poster on "Locally minimax optimal predictive modeling with Bayesian networks" at the 12th International Conference on Artificial
Intelligence and Statistics (AISTATS 2009).
Jorma Rissanen gives a talk on "Optimal Estimation" at the Department
of Computer Science, University of Helsinki.
abstract and details
Teemu Roos gives an invited talk on "Estimating sparse models from multivariate discrete data via transformed Lasso" at the 2009 Information Theory and
Applications Workshop, San Diego.
The Finnish Association for Mathematics, Physics and Computer
Science awards Ville Tuulos for the Best MSc Thesis of the Year.
Press release (in Finnish)
demonstration of Aino search engine
Two CoSCo papers presented at the 4th European Workshop on
Probabilistic Graphical Models (PGM 2008), Hirtshals, Denmark.
Two CoSCo papers presented at the Information Theory and Statistical
Learning Conference, Las Vegas.
The Uncertainty in Artificial Intelligence Conference in
Helsinki (Programme Chairs: D. McAllister and P. Myllymäki).
Two CoSCo papers presented at the IEEE Information Theory Workshop.
Teemu Roos gives an invited talk on "Bayesian Network Structure Learning
using Factorized NML Universal Models" at ITA-08.
A book by J. Scheible and V. Tuulos, "Mobile Python: Rapid Prototyping of Applications on the Mobile Platform" (Wiley) appears.
H. Wettig, P. Kontkanen and P. Myllymäki receive an Outstanding
Paper Award for "Calculating the Normalized Maximum Likelihood
Distribution for Bayesian Forests" at IADIS-07.
Teemu Roos's Ph.D. thesis defence: Statistical and Information-Theoretic
Methods for Data Analysis.
Petri Myllymäki presents the paper "MDL Histogram Density Estimation" at AISTATS-07.
Jorma Rissanen gives an invited talk on "Conditional NML Universal Models" at ITA-07.
Computer-Assisted Stemmatology Challenge announced.
Teemu Roos presents the paper "A Compression-Based Method for Stemmatic Analysis" at ECAI-06.
International Workshop on Intelligent Information Access at the Marina Congress Center, Helsinki, Finland.
Petri Kontkanen presents the paper "Minimax-optimal histogram
estimation" at the 8th Valencia Meeting on Bayesian Statistics
Jorma Rissanen gives a keynote talk at the IEEE Information Theory
Jorma Rissanen receives the Kolmogorov medal and gives the 4th
Annual Kolmogorov Lecture at Royal Holloway, Univ. London.
Cosco moves from HTC Ruoholahti to the Kumpula campus.
Tuomas Lepola presents a paper on his winning entry in the Inferring Relevance from Eye Movements Challenge 2005 (Competition 2) at a NIPS workshop.
Challenge NIPS Workshop
Teemu Roos presents the paper "Generalization to Unseen Cases" at NIPS-05
B-course software used as the main tool in language technology PhD thesis.
Wanjiku Ng'ang'a (Institute for Asian and African Studies, University of Helsinki) gave his dissertation on
"Word Sense Disambiguation of Swahili :
Extending Swahili Language Technology with Machine Learning"
Institute for Asian and African Studies
Roos, Grünwald, Myllymäki and Tirri win the best paper award at BNAIC-05.
Wray Buntine gives an invited talk on ALVIS at 2005 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology
Petri Kontkanen presents the paper "A Fast Normalized Maximum Likelihood
Algorithm for Multinomial Data" at IJCAI-05
Teemu Roos presents the paper "On the Behavior of MDL Denoising" at AISTATS-05
Wray Buntine gives an invited talk "Intelligent Open Source Search" at ICDM-04
Wray Buntine gives an invited talk on "Automatic Programming for Learning" at ILP 2004
Professor Henry Tirri was selected as a Program Co-chair of the 2004 IEEE/WIC/ACM International Conference on Web Intelligence (WI 2004)
Professor Henry Tirri gives a Keynote Talk on
"Networked: The New Science of Collaborative Giftedness" at ECHA'04
Professor Henry Tirri gives a talk "Needle from a Yottabyte - how does a search engine work?" at TIEDE03 lecture series (Heureka)
Wray Buntine gives an invited talk "Intelligent Open Source Search" at IS-03 conference (Ljubjana, Slovenia) INFORMATION SOCIETY 2003
Professor Henry Tirri will give an invited talk "Predictive probability models: A unified approach to Mobile device positioning" at International Symposium on Location Based Systems (Hong Kong)
International Symposium on Location Based Systems
Professor Henry Tirri gives a talk "On Future Search Engine Technologies" at the FENIX Tehnology Programme seminar
Hannes Wettig presents the paper "Supervised Learning of Bayesian Network Parameters Made Easy" at IJCAI-03 conference (Acapulco, Mexico)
|CoSCo fall 2003 Seminar Program|
Jaakko Kurhila presents the paper "Evaluating the Role of a Shared Document-based Annotation Tool in Learner-centered Collaborative Learning" at ICALT 2003 conference (Athens, Greece)
Jaakko Kurhila presents the paper "Peer-To-Peer Learning with Open-Ended Writable Web" at ITiCSE 2003 conference (Thessaloniki, Greece)
Professor Henry Tirri gives a talk on Stephen Wolfram's book "A New Kind of Science" at the Finnish Society for Natural philosophy
Book: "A New Kind of Science"
Petri Nokelainen presents the paper "Gardner's Theory Applied to Model a Self-Rated Intelligence-Profile" at AERA 2003 conference (Chicago, USA)
Petri Nokelainen presents the paper "Advanced methods for analyzing cross-cultural data" at AERA 2003 conference (Chicago, USA)
Miikka Miettinen presents the paper "EDUCOSM - Personalized Writable Web for Learning Communities" at the International Conference on Information Technology: Coding and Computing (Las Vegas, USA, April 2003).
Professor Henry Tirri gives a keynote talk "Information Search, Personalization and Privacy" at the 1st International Workshop on Wireless Security Technologies (London, UK).
Professor Henry Tirri gives an invited talk "The Future of Information Search" at Octel Technology Forum
Octel Technology Forum
Petri Nokelainen presents the paper "The role of inservice teachers' motivation, learning strategy and social ability profiles in CSCL" at the SITE 2003 conference (Albuquergue, USA, March 2003).
CoSCo has announced an experimental step towards E-government - a service that allows users to compare their own voting behavior to that of the Finnish Parliament members during 1999-2002.
"Parliament member clustering engine"
ALVIS project (FP6 STREP) planning meeting at HIIT
Next Generation Information Search
|27-31.1.2003||Hannes Wettig presents the paper "Bayesian Analysis of Online Newspaper Log Data" at the 2003
International Symposium on Applications and the Internet(Orlando, USA, January 2003).
|28.1.2003||Professor Henry Tirri gives talk "Adaptive modeling of
Internet users" at the concluding seminar of USIX technology programme
|28.1.2003||Miikka Miettinen gives talk "User Profiling and Visualization
in www-based learning environments" at the concluding seminar of USIX
|21.1.2003||Professor Henry Tirri gives invited talk "Computational
World" at Europe 2020 seminar arranged by
Finnish Society for Information Services|
|15.1.2003||Professor Henry Tirri gives an invited talk "Personalized
Adaptive Interfaces" at Media and Everyday Life seminar arranged by
StoraEnso and AlmaMedia
|12.1.2003||Professor Henry Tirri gives talk "Individual theory - Mathematics of
Personalization in Computer Networks" at Finnish Science Days
|3-6.1.2003||Petri Myllymäki presents the paper "Efficient Computation of Stochastic Complexity" at the Ninth International Workshop on Artificial Intelligence and Statistics (Key West, USA, January 2003).
|3-6.1.2003||Sami Perttu presents the paper "Is Multinomial PCA Multi-faceted Clustering or Dimensionality Reduction?" at the Ninth International Workshop on Artificial Intelligence and Statistics (Key West, USA, January 2003).
|10-12.12.2002||Wray Buntine coauthored paper "Automatic Derivation of Statistical Algorithms: The EM Family and Beyond" is presented by Alex Gray at Neural Information Processing Systems (NIPS), Vancouver, Canada.
|3.-6.12.2002||Jaakko Kurhila presents the paper "Enhancing the Sense of Other Learners in Student-Centered Web-Based Education" at International Conference on Computers in Education, Auckland, New Zealand.
|20-25.10.2002||Jorma Rissanen gives an invited talk "Kolmogorov's structure function for
probability models" at IEEE Information Theory Workshop, Bangalore, India.
IEEE Information Theory Workshop
|21-22.10.2002||Wray Buntine presents the paper "Building and maintaining Web taxonomies" at XML
Finland seminar, Helsinki, Finland.
|15.-19.10.2002||Jaakko Kurhila presents the paper "Use of Social Navigation Features in Collaborative E-Learning" at E-Learn 2002 Conference, Montreal, Canada.
|2.9.2002||Professor Henry Tirri is an external reviewer for Qusay Mahmoud's
PhD works at Middlesex University, London, England.
|19-23.8.2002||Wray Buntine presents the paper "Variational Extensions to EM and Multinomial PCA" at the 13th European Conference on Machine Learning, Helsinki, Finland.
|29.6.2002||Teemu Roos receives the Huygens scholarship for a 5 month visit to the CWI institute in Amsterdam, the Netherlands, in the Fall 2002.
|29.6.2002||Petri Nokelainen presents the paper "A Tool for Real Time On-Line Collaboration in Web-Based Learning" at the World Conference on Educational Multimedia, Hypermedia & Telecommunications, Denver, Colorado, USA
|7.6.2002||Jaakko Kurhila presents the paper "Dynamic Profiling in a Real-Time Collaborative Learning Environment" at the Intelligent Tutoring Systems Conference, Biarritz, France
|5.6.2002||Peter Grunwald presents the paper "Supervised Posterior Distributions" at the Seventh Valencia International Meeting on Bayesian Statistics
Valencia International Meetings on Bayesian Statistics
|29.5.2002||Jaakko Kurhila presents the paper "EDUCO - A Collaborative Learning Environment Based
on Social Navigation" at 2nd International Conference on Adaptive
Hypermedia and Adaptive Web Based Systems, Malaga, Spain
|1-4.5.2002||Petri Nokelainen presents the paper "Optimizing and profiling users online with Bayesian probabilistic modeling"
at Networked Learning in a Global Environment, Berlin, Germany
|20.4.2002||Professor Henry Tirri gives keynote talk "ICT as a Tool of Transformation"
at Learningspace Workshop, Cambridge, United Kingdom
|18.4.2002||Professor Henry Tirri gives keynote talk "Emergent learning" (in Finnish)
at ITK2002, Hämeenlinna, Finland
|16.4.2002||Professor Henry Tirri gives invited talk "The possibilities and limits of network-based positioning"
at Mobile Expo 2002, Helsinki, Finland
Mobile Expo 02
|8-15.4.2002||Professor Paul Vitanyi visits CoSCo and gives a graduate level
course on Kolmogorov complexity
Paul Vitanyi's homepage
|1-5.4.2002||Petri Nokelainen presents the paper "Bayesian Model-based Visualization of
at American Educational Association Annual meeting, New Orleans, Louisiana, USA
|18-23.3.2002||Miikka Miettinen presents the paper "Adaptive Profiling Tool for Teacher Education"
at SITE 2002, Nashville, Tennesee, USA
|1.2.2002||Dr. Wray Buntine joins CoSCo|
|16-18.1.2002||B-Course and other CoSCo-work is demonstrated at
MaDaMe Interim seminar
|3.1.2002||New CoSCo-related book: "Modeling Individual and Organizational Prerequisites of Professional Growth" by P.Ruohotie, P.Nokelainen, H.Tirri and T.Silander|
|21.12.2001||Professor Henry Tirri gives an invited talk "Adaptation in Complex Systems" at Symposium on Complex Systems, Espoo, Finland|
|27.11.2001||HTC Grand Opening Party
|24.10.2001||Hiit Grand Opening Party!
|25.9.2001||Professor Henry Tirri gives a talk at the ARS 01 opening
ARS 01 at Kiasma
|17.9.2001||CoSCo moves to HTC
|10.9.2001||Tomi Silander scores second place in KDD Cup 2001!
KDD Cup 2001
|University of Helsinki | Department of Computer Science | Helsinki Institute for Information Technology|