NEW YORK (AP) — New York’s mayor has made no secret of going after a digital grail: rivaling Silicon Valley as a high-tech hub.

The city isn’t there, at least not yet, but it can point to a series of promising signs. Tech titans including Google and Facebook have ramped up their presences in New York in recent years. Some big-name newcomers are headquartered here. Plans for an elite technology graduate school, attracted with city money, are getting enough attention that a federal patent officer is being stationed on campus in a first-of-its-kind arrangement.