关键词信息提取技术效率很低, 潜在语意索引技术是对它的改进. 在分析潜在语意索引技 术的结构与原理的基础上, 探讨了利用它改进汉语信息处理及中西文信息交叉提取的可能性.-Keywords information retrieval of technical efficiency is low, the potential semantic indexing technology is improving it. In analyzing the potential semantic inde