【摘要】 从信息检索角度出发,提出一种高效的索引,在结构索引中集成了倒排文档,可同时查询XML结构部分和关键词。双重索引策略很好地解决了基于路径表达式查询效率低的问题。更多还原

【Abstract】 This paper examined an XML collection from the viewpoint of information retrieval(IR),and suggested an efficient index which combining the inverted file with a structure index,it could implement retrieval both on context and structure.The problem of low query efficiency based on path expression was well solved with dual index strategy.更多还原