TY - CONF T1 - Multiple Foci Drill-Down through Tuple and Attribute Aggregation Polyarchies in Tabular Data T2 - INFOVIS '02: Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02) Y1 - 2002 A1 - Conklin, Nathan A1 - Prabhakar, Sandeep A1 - North, Chris JF - INFOVIS '02: Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02) PB - IEEE Computer Society CY - Washington, DC, USA SN - 0-7695-1751-X ER -