Linked Maps

Exploiting Context in Cartographic Evolutionary Documents to Extract and Build Linked Open Spatio-Temporal Data

This web application serves as a linked open data browser and hosts a SPARQL endpoint.

The data consists of railroad networks and wetland areas extracted from the United States Geological Survey (USGS) historical topographic maps for several regions over multiple map sheets and editions. The data was generated using this code, following the approach described in the journal paper: Shbita, B., Knoblock, C.A., Duan, W., Chiang, Y.Y., Uhl, J.H. and Leyk, S., Building spatio-temporal knowledge graphs from vectorized topographic historical maps. Semantic Web, (Preprint), pp.1-23.

Start browsing the data!

The browser retrieves the RDF data from our SPARQL endpoint here: