Database Systems Offered By MRIS
MRIS operates two parallel systems available only to licensed brokers, agents, and others (such as appraisers): "MATRIX" which is the database of property listings in all classes (including residential to raw land and lots) and categories from "Active" through "Sold" going back over more than ten years; and "KEYSTONE" the data entry site for agents to input new listings and update them.
On a daily basis, portions of the data from the full MRIS database of real estate listings is uploaded to public-access websites such as http://Realtor.com (with over 1 million listings nationwide) or to MRIS' own public-access site, http://homesdatabase.com, with the majority of the organization's members Washington DC area properties.
Read more about this topic: Metropolitan Regional Information Systems
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