On Feb. 15th Prof. Paulo Lisboa, from Liverpool John Moores University, gave a talk at the conference room of Faculty of Pharmacy in University of Valencia, invited by IDAL members under the Master on Ecology in the aforementioned university. The subject of the talk was Knowledge Discovery. Data are often collected or a specific purpose, for instance classification. However a full understanding of the data set requires more than just a benchmark of classifiers. The talk introduced data from an observational longitudinal cohort study to explain how to define risk stratification for time-to-event data, coninuing with automatic rule generation to explain the strata and ending with an integrated interface that adds also a domain-specific visualization of the complete database. Knowledge discovery is applicable to many different fields, as it hans bee shown in the talk. Among other case studies, the prediction of the ecological status of human-altered streams and its rule-based interpretation was introduced.

Continue reading