1. Arai, K.: Four dimensional GIS and its application to disaster monitoring with satellite remote sensing data. In: Proceedings of the Conference on GIS and Application of Remote Sensing to Disaster Management, pp. 132–137 (1997)
2. Arai, K.: The conference on GIS and application of remote sensing to disaster management four dimensional GIS and its application to disaster monitoring with satellite remote sensing data. In: Proceedings of the Conference on GIS and Application of Remote Sensing to Disaster Management. Greenbelt, Maryland, USA, pp. 132–137 (1997)
3. Arai, K.: Internet GIS and disaster information clearing house. In: Proceedings of the 1st JUSTSAP-ADRC Joint Symposium on Disaster Management (1999)
4. Arai, K.: Four-dimensional GIS system through internet. In: Proceedings of the Asian Disaster Reduction Center R&D Project Workshop, 4 Mar 2000
5. Arai, K.: Internet Geographic Information System (GIS). In: Proceedings of the Japan-US Science, Technology and Space Application Program Workshop, Hiro, Hawaii (2000)