Purple SOX extraction management system

We describe the Purple SOX (PSOX) EMS, a prototype Extraction Management System currently being built at Yahoo!. The goal of the PSOX EMS is to manage a large number of sophisticated extraction pipelines across different application domains, at the web scale and with minimum human involvement. Three key value propositions are described: extensibility , the ability to swap in and out extraction operators; explainability , the ability to track the...