A conceptual view of where data is stored in the BioSITES data store. Data in streams is analysed in near real time and is not stored. RDF Statements found on the Semantic Web are each stored in repositories owned by each institution. Portions of these repositories may also be cached in the Scenario RDF stores to improve performance. RDF Statements created by analysis are stored in RDF Stores distributed across the BioSITES system, with each store corresponding to one or a few scenarios. Catalogs required by a scenario (e.g. a set of sequences) must be converted to RDF, and then made available for traversal by software.