Da San Martino, G., Sperduti, A., Aiolli, F., & Moschitti, A. (2019). Efficient Online Learning for Mapping Kernels on Linguistic Structures. Proceedings of the AAAI Conference on Artificial Intelligence, 33(01), 3421-3428. https://doi.org/10.1609/aaai.v33i01.33013421