This is my second article about developing on Mainframe in NATURAL language and the first one in which we actually will get our hands dirty programming. If you want to read the previous one, which was a gentle introduction to the world of Mainframes, don?

The profiler usess data collected by Rprof, which is part of the base R distribution. At each time interval (default interval is 10ms), the profiler stops the R interpreter, looks at the current function call stack, and records the stack trace and memory

Watson Natural Language Understanding is a cloud native product that uses deep learning to extract metadata from text such as entities, keywords, categories, sentiment, emotion, relations, and syntax.