A framework and implementation for qualitative geographic information retrieval

Lei Liu, Yong Gao, Xing Lin, Xiao Guo, Haoran Li
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引用次数: 5

Abstract

Qualitative geographic information retrieval (QGIR) is proposed in this paper. It is semantic matching oriented and based on the qualitative representation. Qualitative reasoning is used to get the relevance between documents and queries. Compared to the traditional geographic information retrieval (GIR), QGIR uses qualitative representation for both themes and place names. Semantic spatial relationships are taken into account. The qualitative representation is closer to human spatial recognition and can handle natural language better. A system is built to verify the qualitative theory and to compare the qualitative method with traditional GIR. The experiment in the mineral filed shows that QGIR can have better searching results and better fulfill people's geographic information retrieval request.
定性地理信息检索的框架与实现
提出了一种定性地理信息检索(QGIR)方法。它以语义匹配为导向,以定性表示为基础。定性推理用于获取文档和查询之间的相关性。与传统的地理信息检索(GIR)相比,QGIR对主题和地名均采用定性表示。考虑了语义空间关系。定性表征更接近人类空间识别,能更好地处理自然语言。建立了一个系统来验证定性理论,并将定性方法与传统GIR方法进行了比较。在矿产领域的实验表明,QGIR具有较好的检索效果,能较好地满足人们的地理信息检索需求。
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