Expected Heights in Heaps. - Jeannette M. de Graaf; Walter A. Kosters (BIT, 1992)

Theory of Genetic Algorithms. - Thomas Bäck; Jeannette M. de Graaf; Joost N. Kok; Walter A. Kosters (Current Trends in Theoretical Computer Science, 2001)

Interesting Fuzzy Association Rules in Quantitative Databases. - Jeannette M. de Graaf; Walter A. Kosters; Jeroen J. W. Witteman (PKDD, 2001)

Frequent Itemsets for Genomic Profiling. - Jeannette M. de Graaf; Renée X. de Menezes; Judith M. Boer; Walter A. Kosters (CompLife, 2005)

Consecutive Support: Better Be Close! - Edgar H. de Graaf; Jeannette M. de Graaf; Walter A. Kosters (CoRR, 2006)