1. A system comprising: a computing platform having a hardware processor and a system memory; a metadata extraction and management unit stored in the system memory; wherein the hardware processor is configured to execute the metadata extraction and management unit to: extract a plurality of metadata types from a media asset; aggregate the plurality of metadata types to produce an aggregated metadata describing the media asset; transform the aggregated metadata into at least one database entry identifying the media asset; and map the at least one database entry into a graphical database so as to relate the media asset to at least one other media asset represented in the graphical database.