... The On-Line Archive Science Information Services (OASIS) uses Geographic Information Systems (GIS) technology to provide data fusion and interaction services for astronomers. ... In addition, OASIS can be thoroughly integrated with web pages, active data services, and static data on any server by means of a suite of linking functionality. ... OASIS runs as a JAVA applet/application and when running as an applet has specialized interfaces for interacting with browser forms. ...