Mastering Spark for Data Science

Chapter 10. Story De-duplication and Mutation

How large is the World Wide Web? Although it is impossible to know the exact size - not to mention the Deep and Dark Web - it was estimated to hold more than a trillion pages in 2008, that, in the data era, was somehow the middle age. Almost a decade later, it is safe to assume that the Internet's collective brain has more neurons than our actual gray matter that's stuffed between our ears. But out of these trillion plus URLs, how many web pages are truly identical, similar, or covering the same topic?

In this chapter, we will de-duplicate and index the GDELT database into stories. Then, we will track stories over time and understand the links between them, how they may mutate and if they could lead ...