Silk: A Framework for Building Data Processing Workflows Silk is an open-source workflow description and execution framework, written in Scala. With Silk you can create a workflow consisting of SQL, Unix commands, Scala programs. Example def appleStock = nasdaq.filter(_.symbol is "APPL") .select(_.time, _.close) .orderBy(_.time) // show the latest 10 stock price information appleStock.limit(10).pr