| http://www.w3.org/ns/prov#value | - Dialogue is an important step, but without action that guarantees improvements for the population, there will be no advances.Street vendor Edmundo Pereira da Silva watched Tuesday's protest crawl down a main Sao Paulo road while peering from a hole in the wooden door of his tiny, disheveled concrete shack.Like most people in the metropolitan area of 20 million people, he spends s
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