1. Baldauf, M., Dustdar, S., Rosenberg, F.: A survey on context-aware systems. Int. Journal of Ad Hoc and Ubiquitous Computing 2(4), 263–277 (2007)
2. Balmin, A., Papakonstantinou, Y., Vianu, V.: Incremental validation of XML documents. ACM Transactions on Database Systems 29(4), 710–751 (2004)
3. Banerjee, J., Kim, W., Kim, H.-J., Korth, H.F.: Semantics and implementation of schema evolution in object-oriented databases. In: Proc. of SIGMOD, pp. 311–322. ACM Press, New York (1987)
4. Barbosa, D., Mendelzon, A.O., Libkin, L., Mignet, L., Arenas, M.: Efficient incremental validation of XML documents. In: Proc. of ICDE, pp. 671–682. IEEE Computer Society, Los Alamitos (2004)
5. Bolchini, C., Curino, C., Quintarelli, E., Schreiber, F.A., Tanca, L.: A data-oriented survey of context models. SIGMOD Record 36(4), 19–26 (2007)