Video Details      

Filter/Flow metaphors for Boolean queries



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.                                              
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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

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