Approximate Tree Kernels
Klaus-Robert Mller and Ulf Brefeld and Konrad Rieck and Tammo Krueger

@article{11:16,author={Konrad Rieck and Tammo Krueger and Ulf Brefeld and Klaus-Robert Mller}, Title={Approximate Tree Kernels},journal={Journal of Machine Learning Research},volume={11}, url={http://www.jmlr.org/papers/volume11/rieck10a/rieck10a.pdf}}