Abstract: A computer readable storage medium includes executable instructions to retrieve a set of result values associated with a query to a data source. The set of result values are processed into an intermediate data entity, where the executable instructions to retrieve and process materialize the intermediate data entity. Metadata is included in the intermediate data entity to facilitate the use of the intermediate data entity in a future materialization, where the metadata is exposed through an interface to a materialization engine. The intermediate data entity is stored in a secondary data source. The secondary data source is made available to one or more consumers so that the intermediate data entity is used to define another intermediate data entity.