GATESHEAD (REUTERS).- In the absence of any big shocks at this year’s Turner Prize exhibition, organizers hope the quality of the works on display will be enough to generate headlines and positive buzz for the show. The annual award is one of the contemporary art world’s most recognizable and controversial, which on occasion sparks heated public debate about what constitutes art. It has been dismissed as “The Prize for the Emperor’s New Clothes,” and previous winners include Martin Creed, whose exhibit in 2001 was an empty room with lights going on and off. Three years earlier Chris Ofili triumphed with paintings propped up on elephant dung. But the Turner has also helped cement the careers of some of Britain’s leading contemporary artists, including Damien Hirst, who won in 1995, Steve McQueen (1999) and Antony Gormley (1994). This year, the nominated artists are Karla Black, Martin Boyce, Hilary Lloyd and George Shaw, and their works are on display at the