@InProceedings{koller:2017:TAG+13,
  author    = {Koller, Alexander},
  title     = {A Feature Structure Algebra for FTAG},
  booktitle = {Proceedings of the 13th International Workshop on Tree Adjoining Grammars and Related Formalisms},
  month     = {September},
  year      = {2017},
  address   = {Ume\r{a}, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {1--10},
  url       = {http://www.aclweb.org/anthology/W17-6201}
}