Methods and systems for utilizing a database are disclosed. The methods and systems determine a key representative of a storage location of first RDF data in a NoSQL database. In addition, the methods and systems read the first RDF data in the NoSQL database using the key. The methods and systems also write second RDF data derived from the first RDF data into a second database stored in memory. The methods and systems may also modify the second RDF data, and write third RDF data derived from the modified second RDF data into the NoSQL database.