Autolayout of visualizations based on graph data

A non-transitory computer-readable storage medium having computer-executable instructions stored thereon that are executable by a processor device to perform or control performance of operations comprising:

• receiving input effective to select a visualization type of a plurality of different visualization types to apply to a visualization of data, wherein:
• the selected visualization type is associated with a contract;
• each of the plurality of different visualization types is associated with a specific contract of a plurality of contracts;
• and
• each corresponding contract includes a corresponding schema that specifies a set of data fields and one or more relationships between data fields in the set to generate and display a corresponding visualization having a corresponding visualization type;
• mapping at least some data of a data source to the contract such that the contract is satisfied, the contract specifying that the data of the data source be in a graph format;
• and
• displaying the visualization of the at least some data of the data source based on the contract, the displayed visualization having the selected visualization type.