Knowledge management system

A document management system, comprising:

• a database configured with a hierarchical organizational structure,
• a server communicatively connected to the database and configured to:
• upload a plurality of documents to a database, wherein the documents are machine-readable and comprise one or more of text data, image data, video data, and audio data,
• assign the uploaded documents to a hierarchical organizational structure within the database;
• index the uploaded documents to create a plurality of index fields for each of the uploaded documents;
• relate the index fields of the uploaded documents across the hierarchical organizational structure;
• receive a search query having at least one search criterion for at least one of the index fields;
• search the hierarchical organizational structure based on the search query;
• retrieve one or more of the uploaded documents across the hierarchical organizational structure of the database based on the search;
• and
• make the retrieved documents available to a user.