The Alignment of the Medical Subject Headings to the Gene Ontology and Its Application in Gene Annotation. - Henrik Tveit; Torulf Mollestad; Astrid Lægreid (Rough Sets and Current Trends in Computing, 2004)

Additional Gene Ontology structure for improved biological reasoning. - Simen Myhre; Henrik Tveit; Torulf Mollestad; Astrid Lægreid (Bioinform., 2006)