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Are you interested in how things are related with each other? The RelFinder helps to get an overview: It extracts and visualizes relationships between given objects in RDF data and makes these relationships interactively explorable. Highlighting and filtering features support visual analysis both on a global and detailed level. The RelFinder is based on the open source framework Adobe Flex , easy-to-use and works with any RDF dataset that provides standardized SPARQL access. Check out the following links for some examples: The RelFinder can easily be configured to work with different RDF datasets.
Dynamic stock and flow diagram of model New product adoption (model from article by John Sterman 2001) System dynamics is an approach to understanding the behaviour of complex systems over time. It deals with internal feedback loops and time delays that affect the behaviour of the entire system. [ 1 ] What makes using system dynamics different from other approaches to studying complex systems is the use of feedback loops and stocks and flows . These elements help describe how even seemingly simple systems display baffling nonlinearity . [ edit ] Overview System Dynamics (SD) is a methodology and mathematical modeling technique for framing, understanding, and discussing complex issues and problems.