@inproceedings{witschel-2007-multi,
    title = "Multi-level Association Graphs - A New Graph-Based Model for {I}nformation {R}etrieval",
    author = "Witschel, Hans Friedrich",
    editor = "Biemann, Chris  and
      Matveeva, Irina  and
      Mihalcea, Rada  and
      Radev, Dragomir",
    booktitle = "Proceedings of the Second Workshop on {T}ext{G}raphs: Graph-Based Algorithms for Natural Language Processing",
    year = "2007",
    address = "Rochester, NY, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/W07-0202",
    pages = "9--16",
}