@inproceedings{suderman-ide-2006-layering,
    title = "Layering and Merging Linguistic Annotations",
    author = "Suderman, Keith  and
      Ide, Nancy",
    booktitle = "Proceedings of the 5th Workshop on {NLP} and {XML} ({NLPXML}-2006): Multi-Dimensional Markup in Natural Language Processing",
    year = "2006",
    url = "https://preview.aclanthology.org/landing_page/W06-2716/"
}