面向过程的土地利用变化建模与查询Modeling and query oriented land use change process
孙晓娟,梁明,杜清运,吴艳兰,林雪敏
摘要(Abstract):
针对土地利用变化过程的查询、管理和知识发掘的需求问题,该文提出了一种基于属性关系图的土地变化建模与查询方法。以淮南市2008—2017年共10年的土地利用变化过程为例,开发了基于属性关系图模型的时空过程查询系统,开展了对土地利用变化时空过程查询的验证。结果表明:本文提出的时空过程的建模方法不仅能够有效地表达土地利用单元在快照间的演化过程,还能够支持多种复杂类型的时空过程查询;研究结果对于深化土地利用变化,挖掘土地演化过程的潜在规律具有重要意义。
关键词(KeyWords): 土地利用变化;属性关系图;演化关系建模;时空过程查询
基金项目(Foundation): 国家自然科学基金项目(41602173,41771188);; 安徽省自然科学基金项目(1908085QD164);; 安徽省高等学校自然科学研究项目(KJ2019A0046)
作者(Author): 孙晓娟,梁明,杜清运,吴艳兰,林雪敏
DOI: 10.16251/j.cnki.1009-2307.2020.11.023
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