XPQL: A Pictorial Language for Querying Geographic Data.

Fernando Ferri Patrizia Grifoni Maurizio Rafanelli

Published in: DEXA (2004)

Keyphrases

geographic data
geographic information systems
spatial data
databases
geographic information
geographical data
geographical information systems
query language
database
natural language
machine learning
spatial databases
data mining
image analysis
high resolution
keywords
database systems