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One line of SOCO's research concerns probabilistic unsupervised models for high dimensional data clustering and visualization. Specifically, we are interested in latent, non-linear manifold learning models for data visualization and clustering, and matrix factorization methods for blind source separation, with application to real-world problems in the areas of clinical medicine, ecology, and business processes, including collaborations with the Neural Computation Group at Liverpool John Moores University (UK) [go] and the GABRMN [go] and Systems Pharmacology and Bioinformatics [go] research groups at Universitat Autònoma de Barcelona (UAB).
The first five describe methodologies with a similar goal: the resolution of complex problems that cannot be efficiently solved by means of traditional computational methods (hard computing). Feature Selection and Extraction deals with problems of data dimensionality reduction that are present in all the previous lines. Finally, Pattern Recognition and Computer Vision copes with a huge application field where the performance of AI systems is usually worse than the human one, and where the soft computing techniques have great potential. Related to it, Data and Knowledge Visualization concerns ways in which Soft Computing complements human vision in problems of exploratory Data Mining.
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Members of SOCO investigate the occurrence of churn in telecommunications markets, with a focus on market segmentation and on the interactive visual exploration of customer churn routes. This involves the development of novel visualization methods including manifold learning and cartogram and flowmap representations.