关键词: XML 拓扑匹配 拓扑匹配度 倒向路径 搜索

Abstract:

Data or data sources organized in terms of XML have exact semantic descriptions and legible structures. In this paper, the authors propose a method fo r information search based on the XML technique. Considering the users＂ needs and the topological match, we study the inverse direction route（L-R） wh hich stands for the leaf-root and propose a method to compute the topological match degree （Trod） when we search a need in a database.

Key words: （XML, topological match, topological match degree, inverse direction route, search）