PISA: a platform and programming language independent interface for search algorithms
EMO'03 Proceedings of the 2nd international conference on Evolutionary multi-criterion optimization
Order preserving clustering over multiple time course experiments
EC'05 Proceedings of the 3rd European conference on Applications of Evolutionary Computing
GECCO 2012 tutorial on evolutionary multiobjective optimization
Proceedings of the 14th annual conference companion on Genetic and evolutionary computation
GECCO 2013 tutorial on evolutionary multiobjective optimization
Proceedings of the 15th annual conference companion on Genetic and evolutionary computation
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This paper addresses the problem of identifying gene modules on the basis of different types of biological data such as gene expression and protein-protein interaction data. Given one or several genes of interest, the aim is to find a group of genes—containing the prespecified genes—that are maximally similar with respect to all data types and sets under consideration. While existing studies follow an aggregation approach to tackle the problem of data integration in module identification, we here propose a multiobjective evolutionary method that provides several advantages: (i) no overall similarity measure needs to be defined, (ii) the interactions and conflicts between the data sets can be explored, and (iii) arbitrary data types can be integrated. The usefulness of the presented approach is demonstrated on different biological scenarios, also in comparison to standard clustering.