1. Boncz, P.: Monet: a Next Generation Database Kernel for Query Intensive Applications. PhD thesis, CWI (2002)
2. Callan, J.P., Croft, W.B., Harding, S.M.: The INQUERY Retrieval System. In: Proceedings of the 3rd DEXA Conference (1992)
3. de Vries, A.P.: Content and Multimedia Database Management Systems. PhD thesis, University of Twente, Twente, The Netherlands (1999)
4. Doan, A., Halevy, A.Y.: Semantic Integration Research in the Database Community. AI Magazine 26, 83–94 (2005)
5. Fuhr, N., Großjohann, K.: XIRQL: An XML Query Language Based on Information Retrieval Concepts. ACM TOIS 22(2), 313–356 (2004)