The book "Advanced Methods for Knowledge Discovery from Complex Data" offers a comprehensive analysis of techniques for knowledge discovery from complex data. Given the exponential growth of collected and generated data, it is essential to develop automated methods for analyzing this data to gain valuable insights. The work addresses the multidisciplinary aspects of knowledge discovery and data mining, drawing from various fields such as machine learning, pattern recognition, and statistics. It demonstrates how relevant information is increasingly hidden in unstructured texts and complex data forms, and presents advanced methods necessary for discovering useful patterns within this data. The topics covered are particularly relevant for professionals in the fields of bioinformatics, geosciences, and other data-intensive applications.