Dev to build a MVP rails geo app and data infrastructure ( will be accessible in the near future by mobile devices).
Familiarity with the following is helpful to take this on: * Storing location data in ActiveRecord (PostGIS/PostgreSQL and MySQL) * Accessing location data in Controller * How to use open geo-standards for sharing data: GeoRSS, WMS, WFS, WCS, Microformats, KML, GeoJASON * How to use geocoders * Geographic data formats (Vector and Raster) * Using Ruby/Mapscript, Ruby/GDAL, Ruby/GEOS * Talking to Mapserver (IvyGIS) * Using Geonames Ruby API
or * YM4R * GeoRuby * Spatial Adapter for ActiveRecord * GeoKit * acts_as_locatable * acts_as_geocodable * graticule