@inproceedings{zanzotto-moschitti-2006-similarity, title = "Similarity between Pairs of Co-indexed Trees for Textual Entailment Recognition", author = "Zanzotto, Fabio Massimo and Moschitti, Alessandro", editor = "Mihalcea, Rada and Radev, Dragomir", booktitle = "Proceedings of {T}ext{G}raphs: the First Workshop on Graph Based Methods for Natural Language Processing", month = jun, year = "2006", address = "New York City", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/W06-3806/", pages = "33--36" }