Paper  bibtex   

@InProceedings{ilp08,
  author = 	 {P. Frasconi and M. Jaeger and A. Passerini},
  title = 	 {Feature Discovery with Type Extension Trees},
  booktitle = {18th International Conference on Inductive Logic Programming (ILP'08)},
  url = {papers/ilp08.pdf},
  year = 	 2008}