Geographic Information Systems (GIS) integrate hardware, software, and data for capturing, managing, analyzing, and displaying all forms of geographically referenced information. GIS allows users to visualize, question, analyze, interpret, and understand data to reveal relationships, patterns, and trends.
National Decision Systems (NDS), now known as Claritas, is a data company that provides demographic and psychographic information used for geographic segmentation and market analysis.
Realtor Property Resource (RPR) is an Internet-based data and information service designed exclusively for REALTORS®. It provides a comprehensive database that includes sales data from Multiple Listing Services (MLS), mortgage loans and foreclosure details, demographics, as well as additional government and private data related to real estate. The service is accessible for free to members of the National Association of REALTORS® (NAR).
