Links
Place search
GeoNames run a set of web services providing search across their data. Unlock takes daily updates from Geonames and provides cross-search with other data sources.
MySociety's MaPit service provides a search across some of the Ordnance Survey Open Data sources.
Yahoo! Placefinder provides geocoding for place-names and addresses.
Nominatim is OpenStreetmap's place-search service using OSM data.
Text mining
National Centre for Text Mining in Manchester is a JISC-funded service for a range of text-mining uses, focusing on medical information.
Yahoo! Placemaker is a place-name text extraction service optimised for contemporary text.
