1. Baeza-Yates, R., Ribeiro-Neto, B.: Modern Information Retrieval (1999)
2. Batagelj, V., Bren, M.: Comparing Resemblance Measures. J. of Classification 12(1), 73–90 (1995)
3. Bernstein, A., Kaufmann, E., Bürki, C., Klein, M.: How Similar Is It? Towards Personalized Similarity Measures in Ontologies. In: 7. Int. Tagung WI, pp. 1347–1366 (2005)
4. Bernstein, A., Kiefer, C.: Imprecise RDQL: Towards Generic Retrieval in Ontologies Using Similarity Joins. In: Proc. of the ACM Symp. on Applied Computing, pp. 1684–1689. ACM Press, New York (2006)
5. Bernstein, A., Kiefer, C., Stocker, M.: OptARQ: A SPARQL Optimization Approach based on Triple Pattern Selectivity Estimation. Technical Report IFI-2007.02, Department of Informatics, University of Zurich (2007)