@INPROCEEDINGS{Wit07b,
AUTHOR = {Witschel, H. F.},
TITLE = {Multi-level Association Graphs - A New Graph-Based Model for Information Retrieval},
BOOKTITLE = {Proceedings of the HLT-NAACL-07 Workshop on Textgraphs-07, New York},
YEAR = {2007},
ADDRESS = {New York, USA}
}