And then there was Ted Turner's Cable News Network, CNN, which flicked on its broadcasters in 1980. Suddenly, news producers needed to fill not just one half-hour time slot, but 48 of these time slots, every day. Together with Property Key(PK), Category(CG) and O, there are altogether 29 (57 within the IOB scheme) slot labels in our downside. In the named entity degree, "连衣裙"(costume) is a Category (B-CG/I-CG), whereas "品牌"(model) is labeled as Property Key (B-PK/I-PK), which is the identify of one product property. At its most basic degree, online scheduling is an interface in which a number of events could make appointments or schedule tasks over an Internet connection. The identical information junkies who used to turn to 24-hour cable news to get by-the-minute updates have now defected to the Internet for second-by-second information. Interestingly, this tradition of opinionated journalism that now offers the spine of a cable information station's ratings can also prove to be their downfall. Friday time slot. The present initially aired on Wednesdays at 10 p.m., and it loved excessive scores till NBC moved it to Friday evenings, a digital dying sentence for many Tv exhibits.