A database system for the analysis of biochemical pathways. - Isabel Rojas; Luca Bernardi; Esther Ratsch; Renate Kania; Ulrike Wittig; Jasmin Saric (Silico Biol., 2002)

Notes on the use of ontologies in the biochemical domain. - Isabel Rojas; Esther Ratsch; Jasmin Saric; Ulrike Wittig (Silico Biol., 2003)

Web-based visualisation of the transcriptional control network of Escherichia coli. - Nestor Sosa; Andreas Kremling; Esther Ratsch; Isabel Rojas (Silico Biol., 2004)

Unsupervised Learning of Semantic Relations between Concepts of a Molecular Biology Ontology. - Massimiliano Ciaramita; Aldo Gangemi; Esther Ratsch; Jasmin Saric; Isabel Rojas (IJCAI, 2005)

Finding the Appropriate Generalization Level for Binary Ontological Relations Extracted from the Genia Corpus. - Philipp Cimiano; Matthias Hartung; Esther Ratsch (LREC, 2006)

Unsupervised Learning of Semantic Relations for Molecular Biology Ontologies. - Massimiliano Ciaramita; Aldo Gangemi; Esther Ratsch; Jasmin Saric; Isabel Rojas (Ontology Learning and Population, 2008)