Principles of Big Data

Chapter 4

Introspection

Outline

Background

Knowledge of Self

eXtensible Markup Language

Introduction to Meaning

Namespaces and the Aggregation of Meaningful Assertions

Resource Description Framework Triples

Reflection

Use Case: Trusted Time Stamp

Summary

All science is description and not explanation.

Karl Pearson⁴⁴(see Glossary item, Pearson’s correlation)

Background

Not very long ago, a cancer researcher sent me one of his published papers. For his study, he used a publicly available collection of gene microarray data collected on tumors. He knew that I was a longtime proponent of open access scientific data sets and that I had been encouraging my colleagues to use these available data sources for various analytic projects (see Glossary item, ...