Helsinki University of Technology

Laboratory of Computer and Information Science
Neural Networks Research Centre
From Data To Knowledge Research Unit (research projects under the CIS laboratory)

Biennial report 2002-2003

K. Puolamäki and L. Koivisto, editors

Otaniemi, February 2004

ISBN 951-22-6974-0 (electronic version)
ISBN 951-22-6973-2 (printed version)

• As a PDF file (ISBN 951-22-6974-0) - 6 MB

Contents

Full report as a PDF file - 6 MB

Contents as a PDF file

• Preface [PDF]
• Personnel [PDF]
• Awards and activities [PDF]
• Courses [PDF]
• Doctoral dissertations [PDF]
• Theses [PDF]

I  Neural Networks Research Centre: Research Projects

• 1  Introduction [PDF]
• 2  Independent component analysis and blind source separation [PDF]
  Erkki Oja, Juha Karhunen, Ella Bingham, Maria Funaro, Johan Himberg, Antti Honkela, Aapo Hyvärinen, Alexander Ilin, Karthikesh Raju, Tapani Ristaniemi, Jaakko Särelä, Harri Valpola, Ricardo Vigário
  • 2.1  Introduction
  • 2.2  Theoretical advances
  • 2.3  Comparison studies on blind separation of post-nonlinear mixtures
  • 2.4  Text Mining
  • 2.5  ICA for astronomical data
  • 2.6  ICA in CDMA communications
  • 2.7  Explorative investigation of the reliability of independent component estimates
  • 2.8  The European joint project BLISS
• 3  Variational Bayesian learning of generative models [PDF]
  Harri Valpola, Antti Honkela, Alexander Ilin, Tapani Raiko, Markus Harva, Tomas Östman, Juha Karhunen, Erkki Oja
  • 3.1  Bayesian modeling and variational learning
  • 3.2  Theoretical improvements
  • 3.3  Building blocks for variational Bayesian learning
  • 3.4  Nonlinear static and dynamic blind source separation
  • 3.5  Hierarchical modeling of variances
  • 3.6  Applications
• 4  Computational neuroscience [PDF]
  Aapo Hyvärinen, Patrik Hoyer, Jarmo Hurri, Mika Inki
  • 4.1  The statistical structure of natural images and visual representation
• 5  Analysis of independent components in biomedical signals [PDF]
  Ricardo Vigário, Jaakko Särelä, Elina Karp, Jarkko Ylipaavalniemi
  • 5.1  Biomedical data analysis
• 6  Image analysis applications [PDF]
  Erkki Oja, Jorma Laaksonen, Jukka Iivarinen, Markus Koskela, Ramunas Girdziusas, Jussi Pakkanen, Ville Viitaniemi, Mika Rummukainen, Mats Sjöberg
  • 6.1  Content-based image retrieval by self-organizing maps
  • 6.2  Content-based retrieval of defect images
  • 6.3  Extended fluid-based image registration
• 7  On-line recognition of handwritten characters [PDF]
  Vuokko Vuori, Matti Aksela, Jorma Laaksonen, Erkki Oja
  • 7.1  Introduction
  • 7.2  Adaptive prototype-based character classifiers
  • 7.3  Adaptive committee techniques
• 8  Self-organizing map [PDF]
  Teuvo Kohonen, Samuel Kaski, Panu Somervuo, Krista Lagus, Merja Oja, Vesa Paatero
  • 8.1  Self-organizing maps: introduction
  • 8.2  5384 works on SOM
  • 8.3  Median self-organizing map of human endogenous retroviruses
  • 8.4  Self-organization of very large document collections
• 9  Adaptive cognitive systems [PDF]
  Timo Honkela, Aapo Hyvärinen, Krista Lagus, Ville Könönen, Kevin I. Hynnä, Juha Winter, Jaakko Väyrynen
  • 9.1  Introduction
  • 9.2  Unsupervised learning for agent communication
  • 9.3  Reinforcement learning in multiagent systems
  • 9.4  Emergence of linguistic features using Independent Component Analysis
• 10  Bioinformatics [PDF]
  Samuel Kaski, Janne Nikkilä, Merja Oja, Leo Lahti, Jarkko Venna, Eerika Savia, Janne Sinkkonen, Jaakko Peltonen
  • 10.1  Introduction
  • 10.2  Exploratory analysis of gene expression
  • 10.3  Exploratory analysis of dependencies between functional genomics data sets
• 11  Learning metrics [PDF]
  Samuel Kaski, Janne Sinkkonen, Jaakko Peltonen, Jarkko Venna, Arto Klami, Jarkko Salojärvi
  • 11.1  Introduction
  • 11.2  Learning metrics for information visualization
  • 11.3  Discriminative Clustering (DC)
  • 11.4  Discriminative components
  • 11.5  Visualization of posterior distributions
• 12  Natural language processing [PDF]
  Krista Lagus, Mathias Creutz, Mikko Kurimo, Krister Lindén
  • 12.1  Unsupervised segmentation of words into morphs
  • 12.2  Word sense disambiguation using document maps
  • 12.3  Topically focusing language model
  • 12.4  Semantic analysis of Finnish words and sentences
• 13  Speech recognition [PDF]
  Mikko Kurimo, Panu Somervuo, Vesa Siivola, Teemu Hirsimäki
  • 13.1  Acoustic modeling
  • 13.2  Language modeling
  • 13.3  Large vocabulary decoder
• 14  SOM in data mining [PDF]
  Esa Alhoniemi, Johan Himberg, Jaakko Hollmén, Sampsa Laine, Pasi Lehtimäki, Kimmo Raivio, Timo Similä, Olli Simula, Miki Sirola, Mika Sulkava, Jarkko Tikka, Juha Vesanto
  • 14.1  Introduction
  • 14.2  Clustering of the SOM
  • 14.3  Use of operator maps to analyze mobile access network
  • 14.4  Use of LogSig-scaling to incorporate expert knowledge to SOM-based visualization of GSM-network data
  • 14.5  Analysis of mobile access network
  • 15.6  Impact of R&D on growth quantiles in manufacturing firms
• 15  Intelligent data engineering [PDF]
  Esa Alhoniemi, Jaakko Hollmén, Johan Himberg, Sampsa Laine, Golan Lampi, Pasi Lehtimäki, Teppo Marin, Jukka Parviainen, Kimmo Raivio, Timo Similä, Olli Simula, Miki Sirola, Mika Sulkava, Jarkko Tikka, Juha Vesanto
  • 15.1  Spatio-temporal analysis of forest nutrition data
  • 15.2  Using visualization, variable selection and feature extraction to learn from industrial data
  • 15.3  Decision models for computerized decision support
  • 15.4  Context awareness
  • 15.5  Dependency trees from industrial time-series data
• 16  Other projects [PDF]
  • 16.1  PRIMA---Proactive information retrieval by adaptive models of users' attention and interests
  • 16.2  Data analysis using a tree-shaped neural network
  • 16.3  Computational model of visual attention
• Publications of the Neural Networks Research Centre [PDF]

II  From Data to Knowledge Research Unit: Research Projects under the CIS Laboratory

• 17  From Data to Knowledge Research Unit [PDF]
  Heikki Mannila, Jaakko Hollmén, Ella Bingham, Johan Himberg, Mikko Koivisto, Anne Patrikainen, Salla Ruosaari, Jouni K. Seppänen, Mikko Katajamaa, Heli Juntunen, Nikolaj Tatti, Antti Rasinen, Kalle Korpiaho, Jaripekka Juhala, Antti Savolainen, Mikko Korpela, Janne Toivonen
  • 17.1  Data mining
  • 17.2  Latent topics in 0-1 data
  • 17.3  Applications in bioinformatics
• Publications of the From Data to Knowledge Research Unit [PDF]

http://www.cis.hut.fi/research/reports/biennial02-03/