基于规则引擎的复杂GIS查询

2013 Fourth International Conference on Computing for Geospatial Research and Application Pub Date : 2013-07-22 DOI:10.1109/COMGEO.2013.28

Liu Chen-fan, Liu Hai-yan

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引用次数: 0

摘要

在以往的地理信息查询中，查询条件要么在程序中固定，要么为用户提供SQL查询方式。前者的条件是不变的，而后者则要求用户具备一定的SQL查询语言知识。本文介绍了如何在规则库的支持下，通过自然语义模块之间的简单组合，使用规则引擎进行查询。首先，用户根据自己的需求，通过自然语言模块之间的简单组合，制定查询计划。然后，用户将查询方案交给规则引擎进行推理匹配，找到正确的匹配规则，并执行该规则。最后，执行结果返回给用户。

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Complex GIS Query Based on Rule Engine

In previous geographic information inquiry, query condition is either fixed in program or providing an SQL inquiry mode for users. The former condition is unalterable while the latter demands users to be equipped with certain SQL query language knowledge. The article introduces how to use a rule engine to make inquiries through simple combination between natural semantic modules with the support of rule base. First, users formulate query plans through simple combination between natural language modules according to their own demands. Then, users deliver the query scheme to the rule engine for reasoning & matching, find the correct matching rule, and execute this rule. Finally, execution results are returned to users.

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来源期刊

2013 Fourth International Conference on Computing for Geospatial Research and Application

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