5. The method of claim 1 , further comprising: receiving additional documents; storing the received additional documents in the repository for querying; applying the optimization criteria to identify one or more components of the stored additional documents for a conversion; combining the identified one or more components of the stored additional documents with the previously identified one or more components to select which of the combined identified components to convert from the unstructured format to the structured format; and converting the selected identified components from the unstructured format to the structured format.
5. The method of claim 1 , further comprising: receiving additional documents; storing the received additional documents in the repository for querying; applying the optimization criteria to identify one or more components of the stored additional documents for a conversion; combining the identified one or more components of the stored additional documents with the previously identified one or more components to select which of the combined identified components to convert from the unstructured format to the structured format; and converting the selected identified components from the unstructured format to the structured format. 6. The method of claim 5 , further comprising: determining which of the combined identified components to maintain in the unstructured format; identifying the one or more corresponding components stored in the structured format; and converting the one or more corresponding components in the structured format to the unstructured format.