This book constitutes the proceedings of the First International Workshop on Similarity Based
Pattern Recognition SIMBAD 2011 held in Venice Italy in September 2011. The 16 full papers
and 7 poster papers presented were carefully reviewed and selected from 35 submissions. The
contributions are organized in topical sections on dissimilarity characterization and analysis
generative models of similarity data graph-based and relational models clustering and
dissimilarity data applications spectral methods and embedding.
