Kasahara, Y., Tsurutani, T. and Naniwada, M. "Geographic Information Concepts" Proc. 20th National Conf. of Japan Information Processing Soc. 1979 (in Japanese)

(1979)

Languages mentioned

  • ATLAS {1979} Visual querying system for geographical information systems
  • GDDL {1979} Geographical data description language
  • IGL {1979} Geographical query language