A method, apparatus, and program product for modifying Resource Description Framework (RDF) statements in a client-server system. The client-server system includes a server on which is stored RDF statements. A service request is assembled at a client connected to the server requesting modifications to an RDF statement stored in the server. The service request is sent from the client to the server, modifying the RDF statement at the server responsive to the service request. A service response is sent from the server to the client indicating if the modification of the RDF statement was successful. The service request may be an Add RDF request, an Update RDF request or a Remove RDF request. The service request and the service response are stored in memory in the client for tracking purposes.