Some implementations of the disclosure are directed to: extracting metadata from textual data representations of a plurality of document images, and contextualizing the extracted metadata; storing the extracted metadata and the textual data representations in a full text index database; and transferring the extracted metadata and the textual data representations from the full text index database to a search engine platform, the search engine platform indexing and storing the transferred extracted metadata to allow for searching of the indexed, extracted metadata, the indexed, extracted metadata having been correlated to the textual data representations, where the search engine platform allows for the selection of extracted metadata stored in full text index database that is transferred to the search engine platform.