The Enterprise Social Network Graph Battle: Who Is Poised to Win?
Graphs have been around forever, but the internet has given them new life. It's refocused our attention on the use of graph concepts for information search as an option to traditional hierarchical taxonomic search.
Facebook popularized the concept of search via a "social graph" underpinning social networks of friends. LinkedIn differentiated its graph as a professional connections graph, while the Twitter graph prioritizes accelerated news dissemination.