Ben Shneiderman lectures: "Dynamic Queries: Database Searching by Direct Manipulation, Filter/Flow Metaphor for Boolean Queries, and Tree-maps for Visualizing Hierarchical Information", August 1991, November 1991, December 1991

Ben Shneiderman lectures: "Dynamic Queries: Database Searching by Direct Manipulation, Filter/Flow Metaphor for Boolean Queries, and Tree-maps for Visualizing Hierarchical Information", August 1991, November 1991, December 1991, univarch-075965. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/digital_objects/11099 Accessed April 19, 2024.