GIS Dictionary

[programming] A Java platform technology for extending Web servers that provides a component-based, platform-independent method for building Web-based applications.

[programming] In ArcIMS, the default connector used to connect the ArcIMS Application Server to a Web server.

[programming] A Java platform technology that interfaces with a Web server and hosts servlets. Servlet engines provide a common application

[programming] The process by which a Web application maintains information across a sequence of requests by the same client to

A handheld navigational instrument that measures, from its point of observation, the angle between a celestial body and the horizon

[programming] Acronym for Standard Generalized Markup Language. A markup language with a predefined vocabulary and structure. SGML is used to

[Internet] Acronym for Secure Hash Algorithm v1. A Federal Information Processing Standards (FIPS) method for encoding sensitive information before sending

A raster image that shows changes in elevation using light and shadows on terrain from a given angle and altitude

Graphic patterns such as cross hatching, lines, or color or grayscale tones that distinguish one area from another on a

[programming] An application that uses the session state management capabilities of a Web server to maintain application state and makes

[data models] The characteristic appearance or visible form of a geographic object as represented on a map. A GIS uses