1, In collective systems like Social Security and Medicare, the risks are hidden and beyond the control of individuals.

2, And what latter executes is collective system of ownership.

3, This enterprise is collective system of ownership at first, manage for system at turning 1995.

4, The 3 rd, much transforms business of collective system of ownership control a company for share collaboration.

5, But gradually the collective system took hold and began to prosper.

6, While in our country, such study is still in the preliminary phase. In this thesis, our current copyright collective system is discussed systemically in a comparative method.

7, We don't need to know exactly how a massive computational collective system works to be able to build one, use it, and make it better.