Graphs, Hypergraphs, and Inductive Logic Programming. - Hendrik Blockeel; Tijn Witsenburg; Joost N. Kok (MLG, 2007)

K-Means Based Approaches to Clustering Nodes in Annotated Graphs. - Tijn Witsenburg; Hendrik Blockeel (ISMIS, 2011)

Improving the Accuracy of Similarity Measures by Using Link Information. - Tijn Witsenburg; Hendrik Blockeel (ISMIS, 2011)