@article{moschitti-etal-2008-tree,
    title = "Tree Kernels for Semantic Role Labeling",
    author = "Moschitti, Alessandro  and
      Pighin, Daniele  and
      Basili, Roberto",
    journal = "Computational Linguistics",
    volume = "34",
    number = "2",
    year = "2008",
    url = "https://preview.aclanthology.org/fix-sig-urls/J08-2003/",
    doi = "10.1162/coli.2008.34.2.193",
    pages = "193--224"
}