After which there was Ted Turner's Cable News Network, CNN, which flicked on its broadcasters in 1980. Suddenly, information producers needed to fill not only one half-hour time slot, but forty eight of these time slots, every single day. Together with Property Key(PK), Category(CG) and O, there are altogether 29 (57 within the IOB scheme) slot labels in our downside. Within the named entity degree, "连衣裙"(dress) is a Category (B-CG/I-CG), while "品牌"(model) is labeled as Property Key (B-PK/I-PK), which is the name of 1 product property. At its most basic level, on-line scheduling is an interface during which a number of events could make appointments or schedule duties over an Internet connection. The identical information junkies who used to turn to 24-hour cable information to get by-the-minute updates have now defected to the Internet for second-by-second news. Interestingly, this culture of opinionated journalism that now gives the spine of a cable news station's rankings may additionally prove to be their downfall. Friday time slot. The present initially aired on Wednesdays at 10 p.m., and it enjoyed high rankings till NBC moved it to Friday evenings, a virtual demise sentence for many Tv exhibits.