中文摘要：

目前，协同web搜索的研究处在探索阶段，研究问题和方向尚不够清晰。为此，本文在回顾协同Web搜索的提出与分类基础上，总结了目前有关协同Web搜索的理论研究和实践，进而指出了目前研究存在的问题与不足，并展望了未来的研究方向。

英文摘要：

Current research about collaborative Web search is still in the exploratory stage,and the research questions and directions are not clear.A review is given to explain how a collaborative Web search arises and how to classify it.Then some current theories and practice of the collaborative Web search systems are summarized.Finally,problems and shortcomings of current research are pointed out and future research directions are proposed.