Unlock Places
Use Unlock Places to search for data about place-names. Cross-search different gazetteers and retrieve data in different machine-readable forms for use in web based applications.
The Gazetteers used for searching include Geonames and those available from Ordnance Survey's Open Data
Use Unlock Text to extract place-names from documents and find their locations. Unlock Text uses the Places gazetteer cross-search to make ranked best guesses as to the location of place-names.
For use with plain text documents, XML metadata or HTML web pages. The Unlock Text web service works best with short modern texts.