Efficient Knowledge Acquisition for Extracting Temporal Relations Son Bao Pham author Achim Hoffmann author 2005-12 text Proceedings of the Australasian Language Technology Workshop 2005 Timothy Baldwin editor James Curran editor Menno van Zaanen editor Sydney, Australia conference publication pham-hoffmann-2005-efficient https://aclanthology.org/U05-1014/ 2005-12 87 95