A collaborative filtering system recommends to users products that similar users like. Collaborative fi ltering systems influence purchase decisions, and hence have become targets of manipulation by unscrupulous vendors. We provide theoretical and empirical results demonstrating that while...

A collaborative filtering system recommends to users products that similar users like. Collaborative filtering systems influence purchase decisions, and hence have become targets of manipulation by unscrupulous vendors. We provide theoretical and empirical results demonstrating that while common...

The BitTorrent network, a well-known Internet-scale P2P system, applies the proportional response protocol to exchange resource, where each participant contributes resources to neighbors in proportion to the amount it received in the previous round. The dynamics of this protocol is known to...

The rapid growth of the global economy is now the dominant trend. This paper defines the financial industry norms, the motives and impacts of financial companies, introduces the current state of China's economic development and the current state of China's business economy, and deepens the...