Currents. When used in association with water, the term current describes the motion of the water. Some currents you may be familiar with are the motion of rainwater as it flows down the street, or the motion of the water in a creek, stream, or river flowing from higher elevation to lower elevation.
So whatâs an RDF knowledge graph? Itâs a graph like the ones described above that uses RDF. What is RDF? Alejandro M. Ramallo posted a decent answer on Quora: RDF stands for Resource Description Framework and is the main standard enabling the Semantic Web aka Linked Data or the Web of Data. If HTML is designed so that information and content is presented to human beings through a Web Browser, RDF is designed so that data is presented and possibly understood by machines. In essence, RDF is an Information Model, much like the Relational Database Model.
RACF (Resource Access Control Facility) is the IBM security management product for its mainframe (large server) operating system, OS/390 as well as for its VM operating system. RACF allows an enterprise to manage the biggest security threat in most enterprises: destruction of computing resources by its own employees.