Abstract: One embodiment includes a computer implemented method of storing information. The method includes implementing, by a document repository server computer, a schema-flexible database. The method further includes receiving, by the document repository server computer, processed text information from a text analysis computer, wherein a semantic type is assigned to the processed text information. The method further includes storing, by the document repository server computer, the processed text information in the schema-flexible database. The method further includes outputting, by the document repository server computer to an analysis computer, data selected from the processed text information stored in the schema-flexible database in response to a query received from the analysis computer.