Open Access. Powered by Scholars. Published by Universities.®
Databases and Information Systems Commons™
Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Databases and Information Systems
Effects Of Variations In 3d Spatial Search Techniques On Mobile Query Speed Vs Accuracy, Junjun Yin, James Carswell
Effects Of Variations In 3d Spatial Search Techniques On Mobile Query Speed Vs Accuracy, Junjun Yin, James Carswell
Conference papers
This paper presents three Spatial Search Algorithms for determiningthe three dimensional visibility shape (threat dome) at a user’s current locationin a built environment. Users then utilize this 3D shape as their query“window” to retrieve information on only those objects visible within a spatialdatabase. Visibility shape searching addresses the information overloadproblem by providing “Hidden Query Removal” functionality for mobile LBS.This functionality will be especially useful in the Web 4.0 era when trillions ofmicro-sensors become available for query through standard IP access.