Data Flow Diagrams provide a clear understanding of the flow of data through the systems, processes, and users within your organization.

Level II Nasdaq market data can show you the best bid and ask prices, what's happening with a given stock, and the types of traders that are buying or selling.

This paper presents a general model to assess the impact of data and process quality upon the outputs of multi-user information-decision systems. The data flow/data processing quality control model is ...