• PL 68 (Pietari Kalmin katu 5)

    00014

    Finland

  • PL 68 (Pietari Kalmin katu 5), A322

    HELSINGIN YLIOPISTO

    Finland

  • Finland

20042021
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Publications 2004 2019

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Conference contribution
2019

Efficient Autotuning of Hyperparameters in Approximate Nearest Neighbor Search

Jääsaari, E., Hyvönen, V. & Roos, T., 17 Apr 2019, Advances in Knowledge Discovery and Data Mining: 23rd Pacific-Asia Conference, PAKDD 2019, Macau, China, April 14-17, 2019, Proceedings, Part II. Cham: Springer, p. 590-602 13 p. (Lecture Notes in Artificial Intelligence; vol. 11440).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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2018

Learning Non-parametric Markov Networks with Mutual Information

Leppä-Aho, J., Räisänen, S., Yang, X. & Roos, T., 2018, Proceedings of the Ninth International Conference on Probabilistic Graphical Models. Kratochvíl, V. & Studený, M. (eds.). Vol. 72. p. 213-224 12 p. (Proceedings of Machine Learning Research; vol. 72).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access

Minimax Optimal Bayes Mixtures for Memoryless Sources over Large Alphabets

Jääsaari, E., Leppä-Aho, J., Silander, T. & Roos, T., 2018, Proceedings of 29th International Conference on Algorithmic Learning Theory. Janoos, F., Mohri, M. & Sridharan, K. (eds.). Vol. 83. p. 470-488 (Proceedings of Machine Learning Research; vol. 83).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access

Quotient Normalized Maximum Likelihood Criterion for Learning Bayesian Network Structures

Silander, T., Leppä-Aho, J., Jääsaari, E. & Roos, T., 2018, Proceedings of the 21st International Conference on Ar- ticial Intelligence and Statistics (AISTATS) 2018. Storkey, A. & Perez-Cruz, F. (eds.). PMLR, p. 948-957 10 p. (Proceedings of Machine Learning Research; vol. 84).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
2016

Fast Nearest Neighbor Search through Sparse Random Projections and Voting

Hyvönen, V., Pitkänen, T., Tasoulis, S., Jääsaari, E., Tuomainen, R., Wang, L., Corander, J. I. & Roos, T., 2016, Proceedings of the 2016 IEEE Conference on Big Data. New York, NY: IEEE, p. 881-888 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Manifold Visualization via Short Walks

Zhao, Y., Tasoulis, S. & Roos, T., 2016, EuroVis 2016: Eurographics / IEEE VGTC Conference on Visualization 2016, Groningen, The Netherlands June 6 – 10, 2016: Short Papers. Bertini, E., Elmqvist, N. & Wischgoll, T. (eds.). The Eurographics Association, p. 85-89 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access

Robust Sequential Prediction in Linear Regression with Student’s t-distribution

Määttä, J. & Roos, T., Jan 2016, ISAIM 2016 : International Symposium on Artificial Intelligence and Mathematics, Fort Lauderdale, FL. January 4–6, 2016 . Helsinki Institute for Information Technology HIIT

Research output: Chapter in Book/Report/Conference proceedingConference contributionProfessional

Open Access

Sparse Logistic Regression with Logical Features

Zou, Y. & Roos, T., 2016, Advances in Knowledge Discovery and Data Mining : 20th Pacific-Asia Conference, PAKDD 2016, Auckland, New Zealand, April 19-22, 2016, Proceedings, Part I . Khan, L., Bailey, J., Washio, T., Dobbie, G., Huang, J. Z. & Wang, R. (eds.). Cham: Springer International Publishing AG, p. 316-327 12 p. (Lecture Notes in Computer Science; vol. 9651).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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2015

Kvasir: Seamless Integration of Latent Semantic Analysis-Based Content Provision into Web Browsing

Wang, L., Tasoulis, S., Roos, T. & Kangasharju, J., 2015, WWW '15 Companion Proceedings of the 24th International Conference on World Wide Web. Geneva: International World Wide Web Conferences Steering Committee, p. 251-254 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Likelihood-Based Inference of Phylogenetic Networks from Sequence Data by PhyloDAG

Nguyen, Q. & Roos, T. T., 2015, Algorithms for Computational Biology : Second International Conference, AlCoB 2015, Mexico City, Mexico, August 4-5, 2015, Proceedings. Horia Dediu, A., Hernández Quiroz, F., Martín-Vide, C. & Rosenblueth, D. A. (eds.). Cham: Springer International Publishing AG, p. 126-140 15 p. (Lecture Notes in Computer Science - Lecture Notes in Bioinformatics; vol. 9199).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access

On Model Selection, Bayesian Networks, and the Fisher Information Integral

Zou, Y. & Roos, T. T., 2015, Advanced Methodologies for Bayesian Networks: Second International Workshop, AMBN 2015, Yokohama, Japan, November 16-18, 2015, Proceedings . Suzuki, J. & Ueno, M. (eds.). Cham: Springer International Publishing AG, p. 122-135 14 p. (Lecture notes in computer science; vol. 9505)(Lecture notes in artificial intelligence).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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2014

A Fixed-Point Image Denoising Algorithm with Automatic Window Selection

Määttä, J., Siltanen, S. & Roos, T., 2014, 2014 5th European Workshop on Visual Information Processing (EUVIP 2014). New York: Curran Associates, Inc., 6 p. (European Workshop on Visual Information Processing : [proceedings]).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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Bayesian properties of normalized maximum likelihood and its fast computation

Barron, A., Roos, T. & Watanabe, K., 2014, 2014 IEEE International Symposium on Information Theory: ISIT-2014. IEEE, p. 1667-1671 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Random Projection Based Clustering for Population Genomics

Tasoulis, S., Cheng, L., Välimäki, N., Croucher, N., Harris, S., Hanage, W., Roos, T. & Corander, J., 2014, Big Data (Big Data), 2014 IEEE International Conference on . IEEE, p. 675 - 682

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Robust learning of inhomogeneous PMMs

Eggeling, R., Roos, T., Myllymäki, P. & Grosse, I., Apr 2014, Proceedings of the 17th International Conference on Artificial Intelligence and Statistics (AISTATS-2014). Kaski, S. & Corander, J. (eds.). p. 229-237 9 p. (JMLR: Workshop and Conference Proceedings; vol. 33).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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User-Generated Free-Form Gestures for Authentication: Security and Memorability

Sherman, M., Clark, G., Yang, Y., Sugrim, S., Modig, A., Lindqvist, J., Oulasvirta, A. & Roos, T., 2014, MobiSys '14 Proceedings of the 12th annual international conference on Mobile systems, applications, and services : MobiSys-2014. New York: ACM, p. 176-189 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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2013

Achievability of Asymptotic Minimax Regret in Online and Batch Prediction

Watanabe, K., Roos, T. & Myllymäki, P., Nov 2013, Proceedings of the 5th Asian Conference on Machine Learning. Soon Ong, C. & Bao Ho, T. (eds.). p. 181-193 (Journal of Machine Learning Research: Workshop and Conference Proceedings; vol. 29).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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Information capacity of full-body movements

Oulasvirta, A., Roos, T., Modig, A. & Leppänen, L., Apr 2013, Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. ACM, p. 1289-1298 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Keep it Simple Stupid - On the Effect of Lower-Order Terms in BIC-Like Criteria

Roos, T. & Zou, Y., 2013, 2013 Information Theory and Applications Workshop: Conference Proceedings. IEEE, p. 1-7 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Non-Achievability of Asymptotic Minimax Regret without Knowledge of the Sample Size

Watanabe, K., Roos, T. & Myllymäki, P., 2013, Proc. Information-Based Induction Sciences and Machine Learning (IBISML). Nagoya Institute of Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

2012

Comparison of NML and Bayesian scoring criteria for learning parsimonious Markov models

Eggeling, R., Roos, T. T., Myllymäki, P. & Grosse, I., 2012, Proceedings of the 5th Workshop on Information Theoretic Methods in Science and Engineering: WITMSE-2012. 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

Open Access
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2011

Analysis of Textual Variation by Latent Tree Structures

Roos, T. T. & Zou, Y., 11 Dec 2011, 2011 IEEE 11th International Conference on Data Mining (ICDM 2011). Cook, D., Pei, J., Wang, W., Zaïane, O. & Wu, X. (eds.). IEEE Computer Society, p. 567-576 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Semi-supervised learning for WLAN positioning

Pulkkinen, T., Roos, T. T. & Myllymäki, P., 2011, Artificial Neural Networks and Machine Learning: 21st International Conference on Artificial Neural Networks (ICANN 2011). Honkela, T., Duch, W., Girolami, M. A. & Kaski, S. (eds.). Springer-Verlag, Vol. 1. p. 355-362 8 p. (Lecture Notes in Computer Science; vol. 6791).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2010

MDL hierarchical clustering for stemmatology

Lai, P-H., Roos, T. T. & O'Sullivan, J., Jun 2010, Information Theory Proceedings (ISIT). Gastpar, M., Heath, R. & Narayanan, K. (eds.). IEEE Press, p. 1403-1407 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

On the consistency of sequentially normalized least squares

Roos, T. & Schmidt, D. F., Aug 2010, The Third Workshop on Information Theoretic Methods in Science and Engineering : WITMSE 2010. Tampere International Center for Signal Processing, 3 p. (TICSP Series; no. 55).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2009

Estimating sparse models from multivariate discrete data via transformed Lasso

Roos, T. & Yu, B., 2009, Proceedings of the 2009 Information Theory and Applications Workshop, University of California, San Diego, USA, February 8-13, 2009. - IEEE, 2009.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Locally minimax optimal predictive modeling with Bayesian networks

Silander, T., Roos, T. & Myllymäki, P., 2009, Proceedings of the 12th International Conference on Artificial Intelligence and Statistics (AISTATS) 2009. p. 504-511 8 p. (JMLR workshop and conference proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Recovering sparse models by parameter transformations: applications in Markov models and logistic regression

Roos, T. & Yu, B., 2009, Proceedings of the Second Workshop on Information Theoretic Methods in Science and Engineering, August 17-19, 2009, Tampere, Finland.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Some observations on the applicability of normalized compression distance to stemmatology

Merivuori, T. & Roos, T., 2009, Proceedings of the Second Workshop on Information Theoretic Methods in Science and Engineering, August 17-19, 2009, Tampere, Finland.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Sparse Markov source estimation via transformed Lasso

Roos, T. & Yu, B., 2009, Proceedings of the 2009 IEEE Information Theory Workshop on Networking and Information Theory (ITW-09), Volos, Greece, June 10-12, 2009. - IEEE, 2009. p. 241-245 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2008

Bayesian network structure learning using factorized NML universal models

Roos, T., Silander, T., Kontkanen, P. & Myllymäki, P., 2008, Proceedings of the 2008 Information Theory and Applications Workshop, San Diego, California, USA, January-February 2008: IEEE 2008. p. 272-276 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Factorized normalized maximum likelihood criterion for learning Bayesian network structures

Silander, T., Roos, T., Kontkanen, P. & Myllymäki, P., 2008, Proceedings of the 4th European Workshop on Probabilistic Graphical Models (PGM-08), September 17-19, 2008, Hirtshals, Denmark: The authors 2008. p. 257-272 16 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Monte Carlo estimation of minimax regret with an application to MDL model selection

Roos, T., 2008, Proceedings of the 2008 IEEE Information Theory Workshop: IEEE 2008. p. 284-288 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

On sequentially normalized maximum likelihood models

Roos, T. & Rissanen, J., 2008, Proceedings of the First Workshop on Information Theoretic Methods in Science and Engineering, August 18-20, 2008, Tampere, Finland.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2007

Conditional NML universal models

Rissanen, J. & Roos, T., 2007, 2007 Information Theory and Applications Workshop. IEEE, p. 335-339 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2006

A Compression-Based Method for Stemmatic Analysis

Roos, T. T., Heikkilä, T. & Myllymäki, P., 2006, Proceeding of the 2006 conference on ECAI 2006. Brewka, G., Coradeschi, S., Perini, A. & Traverso, P. (eds.). Amsterdam: IOS PRESS, p. 805-806 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Generalization to unseen cases

Roos, T., Myllymäki, P., Grunwald, P. & Tirri, H., 2006, Advances in neural information processing systems 18. p. 1129-1136 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2005

Compression-based stemmatology: A study of the legend of St. Henry of Finland

Roos, T. T., Heikkilä, T., Cilibrasi, R. & Myllymäki, P., 2005, 17th European Conference on Artificial Intelligence (ECAI'06). 20 p. (Pascal Eprints).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

On the behavior of MDL denoising

Roos, T., Myllymäki, P. & Tirri, H., 2005, AISTATS 2005. Cowell, R. & Ghahramani, Z. (eds.). p. 309-316 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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