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Contact details

Pekka Malo, Ph.D. (econ), M.Sc. (math)
Assistant Professor of Statistics
Department of Information and Service Economy
Aalto University School of Business

Office address:
Chydenia, 4th floor, Room CG-4.18
Runeberginkatu 22-24
Helsinki 00100
Finland

Phone: +358403538071
Email: pekka.malo@aalto.fi

Visiting Scholar (Jan 2013 - Aug 2013)
BEACON center
Michigan State University
MI, USA

Research interests

Machine learning and artificial intelligence
Evolutionary computation
Semantic information retrieval
Statistical natural language processing
Multiobjective optimization

News

Tutorial on "Evolutionary Bilevel Optimization" by Sinha, A., Malo, P. and Deb, K. at PPSN 2014, September 13-17, Ljubljana, Slovenia.
A new website has been set-up on Evolutionary Bilevel Optimization (http://www.bilevel.org)
Tutorial on Bilevel Optimization by Sinha, A., Malo, P. and Deb, K. at GECCO 2013, July 6-10 2013, Amsterdam, Netherlands.
Call for papers to the Special Session on Bilevel Optimization at CEC 2013.

Professional activity

Member of the Institute of Electrical and Electronics Engineers (IEEE)
Member of the Institute for Operations Research and the Management Sciences (INFORMS)
Member of the IEEE Computational Intelligence Society
Reviewer in journals: IEEE Transactions on Knowledge and Data Engineering, Journal of the American Society for Information Science and Technology, ACM Transactions on the Web, Physica A, Expert Systems with Applications, Simulation & Gaming, Electronic Commerce Research Journal, International Journal of Information Technology & Decision Making, Annals of Operations Research

Publications

Submitted papers

Sinha, A., Malo, P. and Deb, K. (2014): “Efficient Evolutionary Algorithm for Single-Objective Bilevel Optimization“.
Sinha, A., Malo, P. and Deb, K. (2014): "Solving Bilevel Multi-criterion Optimization Problems with Lower Level Decision Uncertainty"
Sinha, A., Malo, P. and Deb, K. (2014): "Approximated Set-valued Mapping Approach for Handling Multiobjective Bilevel Problems"

Journal publications

Sinha, A., Malo, P. and Kuosmanen, T. (2014): “A Multi-objective Exploratory Procedure for Regression Model Selection”. Journal of Computational and Graphical Statistics. (in press)
Sinha, A., Malo, P. and Deb, K. (2014): “Test Problem Construction for Single-Objective Bilevel Optimization“. Evolutionary Computation Journal, vol. 22(3), pp. 439-477. MIT Press.
Malo, P., Sinha, A., Takala, P., Korhonen, P. and Wallenius, J. (2014): "Good debt or bad debt: Detecting semantic orientations in economic texts." Journal of the American Society for Information Science and Technology, vol. 65(4), pp. 782-796.
Sinha, A., Malo, P., Frantsev, A. and Deb, K. (2013): “Finding Optimal Strategies in Multi-Period Multi-Leader-Follower Stackelberg Games Using an Evolutionary Framework.” Computers and Operations Research. (in Press)
Malo, P., Siitari, P. and Sinha, A. (2013): “Automated Query Learning with Wikipedia and Genetic Programming”. Artificial Intelligence, vol. 194, pp. 86--110.
Malo, P. and Pennanen, T. (2012): “Reduced form modeling of limit order markets”. Quantitative Finance, vol. 12(7), pp. 1025–1036.
Malo, P., Sinha, A., Wallenius, J. and Korhonen, P. (2011): “Concept-based Document Classification Using Wikipedia and Value Function”. Journal of the American Society for Information Science and Technology, vol. 62(12), pp. 2496-2511.
Malo, P. (2009): “Modeling electricity spot and futures price dependence: A multifrequency approach”. Physica A, vol. 388(22), pp. 4763–4779.
Andreev, A., Kanto, A., and Malo, P. (2007): “Computational Examples of a new method for distribution selection in the Pearson System”. Journal of Applied Statistics, vol. 34(4), pp. 487–506.
Malo, P. and Kanto, A. (2006): “Evaluating Multivariate GARCH models in the Nordic Electricity Markets”. Communications in Statistics: Simulation and Computation, vol. 35(1), pp. 117--148.

Recent conference papers

Sinha, A., Malo, P., Xu, P., and Deb, K. (2014) : “A bilevel optimization approach to automated parameter tuning." In: Proceedings of the 2014 conference on Genetic and Evolutionary Computation (GECCO 2014), pp. 847-854. ACM Press.
Sinha, A., Malo, P., and Deb, K. (2014): "An Improved Bilevel Evolutionary Algorithm based on Quadratic Approximations." In: Proceedings of IEEE Congress on Evolutionary Computation (CEC-2014), pp. 1870-1877. IEEE Press.
Takala, P., Malo, P., Sinha, A., and Ahlgren, O. (2014): “Gold-standard for topic-specific sentiments in economic texts.” To appear in: Proceedings of the 9th edition of the Language Resources and Evaluation Conference (LREC-2014), 26-31 May, Reykjavik, Iceland.
Malo, P., Sinha, A., Takala, P., Ahlgren, O. and Lappalainen, I. (2013): "Learning the Roles of Directional Expressions and Domain Concepts in Financial News Analysis." In: Proceedings of IEEE International Conference on Data Mining Workshops (SENTIRE-2013). IEEE Press.
Sinha, A., Malo, P., Frantsev, A. and Deb, K. (2013) : “Multi-objective Stackelberg Game Between a Regulating Authority and a Mining Company: A Case Study in Environmental Economics“. In: Proceedings of IEEE Congress on Evolutionary Computation (CEC-2013). IEEE Press.
Frantsev, A., Sinha, A. and Malo, P. (2012): “Finding Optimal Strategies in Multi-period Stackelberg Games Using an Evolutionary Framework”. In: Proceedings of IFAC Workshop on Control Applications of Optimization (IFAC-2012).
Sinha, A., Malo, P. and Deb, K. (2012): “Unconstrained Scalable Test Problems for Single-Objective Bilevel Optimization”. In: Proceedings of IEEE Congress on Evolutionary Computation (CEC-2012), IEEE Press.
Ahlgren, O., Malo, P., Sinha, A., Wallenius, J. and Korhonen, P. (2011): “A Dimensionality Reduction Approach to Semantic Document Classification”. In: Proceedings of 2nd Workshop on Semantic Personalized Information Management: Retrieval and Recommendation (SPIM 2011) in conjunction with the 10th International Semantic Web Conference ISWC2011.
Sinha, A., Kuosmanen, T. and Malo, P. (2011): “Estimation of Efficient Regression Model using a Multi-Objective Procedure”, In: Proceedings of Annual International Conference on Operations Research and Statistics (ORS 2011).
Malo, P., Siitari, P., Ahlgren, O., Wallenius, J. and Korhonen, P. (2010): “Semantic Content Filtering with Wikipedia and Ontologies”. In: Proceedings of IEEE International Conference on Data Mining Workshops, 2010, pp. 518--526. (Best paper award in Semantic Aspects in Data Mining)

Recent talks and tutorials

Sinha, A., Malo, P. and Deb, K. (2014): Tutorial on Evolutionary Bilevel Optimization at PPSN (2014), September 13-17, Ljubljana, Slovenia.
Sinha, A., Malo, P., and Deb, K. (2013): Tutorial on Bilevel Optimization at GECCO 2013, July 6-10, Amsterdam, Netherlands.
Sinha, A., Malo, P., and Deb, K. (2013): “Evolutionary approaches to handling bilevel optimization problems” at BEACON Center, Michigan State University, February 2013, East Lansing, MI, USA.
Malo, P., Sinha, A., Korhonen, P. and Wallenius, J. (2012): “Document Classification: A Many Criteria Optimization Problem”. Abstract published in: Proceedings of INFORMS 2012 Annual Meeting, Session on Decision-making and Optimization Problems with Many Criteria, Phoenix, AZ, October 14-17, 2012.
Sinha, A., Malo, P. and Deb, K. (2012): “Preference-based Evolutionary Algorithm for Multi-objective Bilevel Optimization”. Abstract published in: 25th European Conference on Operational Research (EURO 2012), Session on Hybrid Evolutionary Multiobjective Optimization Algorithms, Vilnius, July 8-11, 2012.
Malo, P., Sinha, A., Ahlgren, O., Wallenius, J. and Korhonen, P. (2011): “A Dimensionality Reduction Approach for Semantic Information Retrieval”. Abstract published in: Proceedings of The 21st International Conference on Multiple Criteria Decision Making (MCDM 2011), Session on Behavioral Issues in Multiple Criteria Decision Making, June 13-17, 2011.
Sinha, A. and Malo, P. (2011): “Solving Bilevel Problems using an Evolutionary Approach”. Abstract published in: Proceedings of INFORMS 2011 Annual Meeting, Session on Multiobjective Programming, North Carolina, November 13-16, 2011.

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