A community district is a fixed boundary within Calgary, created by and for the Corporation. It represents a distinct geographical area of the city that is determined through the Land Development/Subdivision Process and approved by Council.
Splitgraph serves as an HTTP API that lets you run SQL queries directly on this data to power Web applications. For example:
curl https://data.splitgraph.com/sql/query/ddn \ -H "Content-Type: application/json" \ -d@-<<EOF {"sql": " SELECT * FROM \"calgary-ca/community-boundaries-2011-j3yz-fb4u\".\"community_boundaries_2011\" LIMIT 100 "} EOF
See the Splitgraph documentation for more information.