为了标记海量 Web 信息的语义，实现计算机自理解和自动处理功能，提高信息查询准确率及效率，研究了信息的表达形式即本体，给出了本体的扩展定义及其快速识别的四个规则，通过模拟实验，验证了规则的实际应用效果及本体快速识别算法效率，本体识别速度和效率较普通的方法有一定的提高% In order to sign semantic of massive Web information, realize self understanding and automatic processing functions of computer, improve accuracy and efficiency of information query, expression form of information, the ontology, is studied, and extended definition of ontology and four rule for rapid identification are provided. The actual application effect of rules and efficiency of ontology fast recognition algorithm are validated by simulation. Compared with the ordinary method, body recognition has a decent boost on speed and efficiency.
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