并列题名：It's no big deal It's no big deal 并列题名：It's a deal 并列题名：Beyond big data 并列题名：Dave's big day 并列题名：Instinct to heal 并列题名：Tencent big data 并列题名：It's not easy being green 并列题名：Nature of big data 并列题名：Truth about big data