@INPROCEEDINGS{delosConf07-ZTW, AUTHOR = {Christian Zimmer and Christos Tryfonopoulos and Gerhard Weikum}, TITLE = "{Efficient Search and Approximate Information Filtering in a Distributed Peer-to-Peer Environment of Digital Libraries}", BOOKTITLE = "{Proceedings of the DELOS Conference on Digital Libraries}", YEAR = {2007}, MONTH = {February}, ADDRESS = "{Pisa, Italy}", PAGES = {328--337}, }