Franck Ravat, Olivier Teste, Ronan Tournier. Olap aggregation function for textual data warehouse. In Jorge Cardoso, José Cordeiro, Joaquim Filipe, editors, ICEIS 2007 - Proceedings of the Ninth International Conference on Enterprise Information Systems, Volume DISI, Funchal, Madeira, Portugal, June 12-16, 2007. pages 151-156, 2007.
Abstract is missing.