Spatio-Temporal Lite DBMS for u-GIS

The spatio-temporal lite DBMS provides spatio-temporal data types and spatio-temporal operators by extending spatial data types and spatial operators specified in OpenGIS “Simple Features Specification for SQL,” provides an arithmetic operation coding compression method reflecting the characteristics of spatio-temporal data, and supports spatio-temporal index for efficient spatio-temporal data search in flash memory, which is a mobile storage device.