@inproceedings{
  Author = {Sch{\"a}fer, Ulrich},
  title = {Middleware for Creating and Combining Multi-dimensional {NLP} Markup},
  booktitle = {Proceedings of the {EACL}-2006 Workshop on Multi-dimensional Markup in Natural Language Processing},
  address =   {Trento, Italy},
  pages = {81--84},
  month = 4,
  year = 2006,
  url = {http://www.dfki.de/dfkibib/publications/docs/hognlpxml2006.pdf}
}