Robust language pair-independent sub-tree alignment John Tinsley author Ventsislav Zhechev author Mary Hearne author Andy Way author 2007-sep 10-14 text Proceedings of Machine Translation Summit XI: Papers Bente Maegaard editor Copenhagen, Denmark conference publication tinsley-etal-2007-robust https://aclanthology.org/2007.mtsummit-papers.62/ 2007-sep 10-14