Holger Meuss, Klaus U. Schulz, François Bry. Towards Aggregated Answers for Semistructured Data. In Jan Van den Bussche, Victor Vianu, editors, Database Theory - ICDT 2001, 8th International Conference, London, UK, January 4-6, 2001, Proceedings. Volume 1973 of Lecture Notes in Computer Science, pages 346-360, Springer, 2001. [doi]
Abstract is missing.