Relational Interface System (RIS) is Intergraph

Intergraph

Intergraph Corporation is an American software development and services company. It provides enterprise engineering and geospatially powered software to businesses, governments, and organizations around the world. Intergraph operates through two divisions: Process, Power & Marine and Security,...

 Corporation's middleware

Middleware

Middleware is computer software that connects software components or people and their applications. The software consists of a set of services that allows multiple processes running on one or more machines to interact...

 for connecting client software and DBMS. Was developed for UNIX (including CLIX) many years before ODBC and last years for Apple Macintosh and Windows computers.

It is used in geographic information system

Geographic Information System

A geographic information system, geographical information science, or geospatial information studies is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographically referenced data...

s Modular GIS Environment (MGE) and GeoMedia

GeoMedia

GeoMedia is the technology, suite of software components in Intergraph Corporation's geographic information system and family of software products that include: GeoMedia Objects, GeoMedia Viewer , GeoMedia, GeoMedia Professional, GeoMedia WebMap, GeoMedia WebMap Professional and others...

, the digital photogrammetric station ImageStation

ImageStation

ImageStation was Sony's official online photo sharing and photo print service. ImageStation generated revenue by selling high quality digital prints, as well as photo-related gifts such as photo books, mugs, calendars, greeting cards, and T-shirts. There were also several levels of membership...

, security systems, CAD software (such as MicroStation

Microstation

MicroStation is a CAD software product for 2- and 3-dimensional design and drafting, developed and sold by Bentley Systems. The latest versions of the software are released solely for Microsoft Windows operating systems, but historically MicroStation was available for Macintosh platforms and a...

) and mechanical-design software I/EMS (predecessor of Solid Edge

Solid Edge

Solid Edge is a 3D CAD parametric feature solid modeling software. It runs on Microsoft Windows and provides solid modeling, assembly modelling and drafting functionality for mechanical engineers...

).