Overview

The USC GIS Research Laboratory WebGIS site provides access to many of the services developed during the course of ongoing research in the lab. The services offered focus foremost on the production and accuracy of geographic data. Improving and explaining the underlying accuracy of one's data will lead to increased precision and confidence in the scientific conclusions drawn from them.

Available free services

Address Parsing and Normalization

Services for processing postal addresses including address parsing, normalization, standardization, and validation

Address Validation

Validate address data interactively

Geocoding

Services for turning postal addresses into geographic coordinates including parsed, non-parsed, and batch postal address database geocoding

Geocoding Correction

Services for correcting geographic coordinates

k-Nearest Neighbors

Identify the k-Nearest objects closest to the input coordinate

Point-In-Polygon Census Intersection

Services for associating Census variables with coordinate data

Polygon Tracing

Services for drawing and storing geographic polygons using online maps and satellite imagery

Usage Fees and Rules