Data lineage and information density in database visualization
Allison Woodruff, Michael R Stonebraker · 1998
Visual representations of data help users interpret and analyze information. We have identified two key issues in existing visualization systems: data lineage and information density. This dissertation defines these problems and details solutions for them. We show that our techniques can be applied in database visualization systems, and we discuss how they improve the usability of these systems. The data lineage problem occurs when users apply a sequence of processing steps to input data sources; when viewing the final result, these users may wish to trace certain elements in the result back to the original input items. We call these types of queries data lineage queries. Current systems, e.g., geographic information systems or scientific visualization systems, provide little support fo...