Bing Maps was based on existing Microsoft technologies such as Microsoft MapPoint, and TerraServer.

Entity and relation annotations:
id: 0
type: entity
value: text: Bing Maps
labels: <Production>
id: 1
type: entity
value: text: Microsoft
labels: <Organization>
type: relation
to_id: 0
labels: Organization:develops/produces/sells:Production
from_id: 1