What happens when you type a name into a massive global database and the system cannot decide which person you mean? This deep dive uses a single Wikipedia disambiguation page for the name Philip Walker as a framework for understanding how history, culture and digital information get categorized. Three wildly different American legacies share the same text string: Philip Walker the American blues guitarist (1937-2010), P.J. Walker the American football quarterback born in 1995, and the Philip Walker House, a historic colonial home in Rhode Island.

We look at how a closed data set like a completed lifespan differs from the open, constantly updating record of an active athlete, why going by initials like P.J. works as a kind of biological search engine optimization in a crowded namespace, and how a 17th-century structure ends up on the same h ...