36. The computing system of claim 30 , wherein the first source entity and the second source entity are related according to a relationship defined in a schema.
36. The computing system of claim 30 , wherein the first source entity and the second source entity are related according to a relationship defined in a schema. 37. The computing system of claim 36 , wherein the schema includes multiple entities, and relationships between the entities include one or more of: a one-to-one relationship, a one-to-many relationship, or a many-to-many relationship.