1. Böttcher, S., Türling, A.: Access Control and Synchronization in XML Documents. In: Proceedings XML Technologien für das Semantic Web – XSW, Berlin, LNI 14 (2002)
2. Lecture Notes in Computer Science;S. Böttcher,2003
3. LNI-Proceedings P-19;S. Böttcher,2002
4. Chidlovskii, B., Borghoff, U.M.: Semantic caching of Web queries. The VLDB Journal 9, 2–17 (2000)
5. Dar, S., Franklin, M.J., Jónsson, B.Þ., Srivastava, D., Tan, M.: Semantic Data Caching and Replacement. VLDB 1996, 330–341 (1996)