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Video Details |  |
Filter/Flow metaphors for Boolean queries
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Evidence shows that users of database or information systems have difficulties specifying complex boolean queries. We present a novel visual presentation based on water filter-flow metaphors that reveals the effect of selectors and operators (AND, OR and NOT) on query outcome. |
| Download: |
 MPEG-1 • 64.90 MB |
| Video Information | |
| Year: | 2000 |
| Genre: | Educational |
| Keywords: | HCIL; |
| Duration: | 00:06:36 |
| Color: | Yes |
| Sound: | Yes |
| Amount of Motion: | Low |
| Language: | English |
| Sponsor: | University of Maryland, HCIL |
| Contributing Organization: | University of Maryland, Human-Computer Interaction Lab (HCIL) |
| Transcript Available: | No |
| Digitization Information | |
| Digitization Date: | 2001 |
| Digitizing Organization: | University of North Carolina at Chapel Hill, Interaction Design Lab |
