G
PHYSICS
G
PHYSICS
G06
COMPUTING; CALCULATING OR COUNTING
G06
COMPUTING; CALCULATING OR COUNTING
G06F
ELECTRIC DIGITAL DATA PROCESSING
G06F
ELECTRIC DIGITAL DATA PROCESSING
G06F16/00
Information retrieval; Database structures therefor; File system structures therefor
G06F16/00
Information retrieval; Database structures therefor; File system structures therefor
G06F16/20
of structured data, e.g. relational data
G06F16/20
of structured data, e.g. relational data