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This paper introduces a novel representation that can be used as a visualization tool as well as a visual query language to help users search for information. High-level visual retrieval tools are described that enable users to explore, manage, and relate large information spaces to their interests. The following tools are developed: (1) The query outliner enables users to structure and edit complex queries. (2) The query spreadsheet is a novel representation that visualizes all the possible relationships among N variables, and it allows users to specify Boolean queries graphically. Arbitrarily complex queries can be created by using the query spreadsheets as building blocks and organizing them in a hierarchical structure. (3) The query overview displays the complete structure of a complex query and it can be used as a navigation tool. The presented visual framework has applications in such areas as information retrieval, electronic mail filtering, human resource management or financial portfolio management.>
Anselm Spoerri (Mon,) studied this question.
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