Incremental, approximate database queries and uncertainty for exploratory visualization
Exploratory data visualization calls for iterative analyses, but very large databases are often far too slow to allow interactive exploration. Incremental, approximate database queries exchange precision for speed: by sampling from the full database, the system can resolve queries rapidly. As the sa...
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| Vydáno v: | 2011 IEEE Symposium on Large Data Analysis and Visualization s. 73 - 80 |
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| Hlavní autor: | |
| Médium: | Konferenční příspěvek |
| Jazyk: | angličtina |
| Vydáno: |
IEEE
01.10.2011
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| Témata: | |
| ISBN: | 9781467301565, 1467301566 |
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| Abstract | Exploratory data visualization calls for iterative analyses, but very large databases are often far too slow to allow interactive exploration. Incremental, approximate database queries exchange precision for speed: by sampling from the full database, the system can resolve queries rapidly. As the sample gets broader, the precision increases at the cost of time. As the precision of the sample value can be estimated, we can represent the range of possible values. This range may be visually represented using uncertainty visualization techniques. This paper outlines the current literature in both incremental approximate queries and in uncertainty visualization. The two fields mesh well: incremental techniques can collect data in interactive time, and uncertainty techniques can show bounded error. |
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| AbstractList | Exploratory data visualization calls for iterative analyses, but very large databases are often far too slow to allow interactive exploration. Incremental, approximate database queries exchange precision for speed: by sampling from the full database, the system can resolve queries rapidly. As the sample gets broader, the precision increases at the cost of time. As the precision of the sample value can be estimated, we can represent the range of possible values. This range may be visually represented using uncertainty visualization techniques. This paper outlines the current literature in both incremental approximate queries and in uncertainty visualization. The two fields mesh well: incremental techniques can collect data in interactive time, and uncertainty techniques can show bounded error. |
| Author | Fisher, D. |
| Author_xml | – sequence: 1 givenname: D. surname: Fisher fullname: Fisher, D. email: danyelf@microsoft.com organization: Microsoft Res., Redmond, WA, USA |
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| Snippet | Exploratory data visualization calls for iterative analyses, but very large databases are often far too slow to allow interactive exploration. Incremental,... |
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| SubjectTerms | Aggregates approximate visualization Data visualization Distributed databases exploratory data analysis Histograms incremental visualization Uncertainty Uncertainty visualization very large data Visual databases |
| Title | Incremental, approximate database queries and uncertainty for exploratory visualization |
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