Abstract: Nowadays it is quite easy for common users to share and exchange resources on the Internet through application software based on peer-to-peer computing mode,and therefore more and more people join in peer-to-peer network to share and exchange resources. As a result, the number of peers becomes extremely large, and resources are extremely abundant and scattered. In this case, it is an important and challenging job to do incremental search to incrementally retrieve new related resources for any query. This paper presented a general incremental search model for unstructured P2P network. This general incremental search model makes incremental search try to access semantic most related nodes, and therefore it does similar searches as Google[1] in totally distributed P2P network.

Key words: P2P network, Unstructured network, Incremental search