@InProceedings{HaMo03a,
  author = 	 {V. Haarslev and R. M{\"o}ller},
  title = 	 {Incremental Query Answering for Implementing Document Retrieval Services},
  booktitle = {Proceedings of the International Workshop on Description Logics (DL-2003), Rome, Italy, September 5-7},
  pages = 	 {85--94},
  year = 	 {2003},
}