Google the king of enhanced results?
An impressive study about how many times the knowledge graph appeared and if it would answer the query:
" we took 3086 different queries and compared them across all three (Google, Siri and Cortana) platforms. There were not random queries. In fact, they were picked because we felt they were likely to trigger a knowledge panel. "
In short, Google is presenting the most answers as well as provided the most enhanced results.?
The Great Knowledge Box Showdown: Google Now vs. Siri vs. Cortana