title: The management of a large data base in IRIS.
abstract: IRIS (Illinois Resource Information System) is a retrieval and analysis system for land-use planners. The system stores the attributes of land parcels. Currently two major data bases are in use: a 78,000 parcel data base covering eight counties around Chicago and a 16,000 parcel data base covering six counties around Chicago.
mesh_terms: D003201:Computers; D001330:Electronic Data Processing; D007087:Illinois; D007256:Information Systems; D009862:Online Systems; D012939:Social Planning