A system for encoding and/or decoding documents for a document store is provided. In some implementations, the system performs operations comprising receiving a query related to at least a portion of a plurality of stored documents and retrieving one or more documents from the plurality of stored documents based on the query. The operations can further include generating a client-side dictionary including a plurality of definitions corresponding to a plurality of parameters (e.g., reference values for corresponding parameters) from the plurality of stored documents. The operations can also include providing the client-side dictionary and the one or more documents in response to the query. One or more of the operations can be implemented by a database server. Related systems, methods, and articles of manufacture are also described.