面向遥感影像需求自然语言描述解析与推理的时间本体建模Time Ontology Modeling for Remote Sensing Image Requirements of Natural Language Descriptive Analysis and Ratiocination
曹启程
摘要(Abstract):
随着遥感影像数据的激增,如何从海量遥感数据中检索出用户所需要的目标数据,是遥感影像服务所面临的关键问题之一。现有的遥感影像搜索服务大多是基于关键字的遥感影像元数据检索,还不支持遥感应用领域的自然语言需求理解搜索,在信息的查全率、查准率等方面都无法满足用户日益增长的需求。面向遥感影像需求自然语言描述的解析及推理,对遥感影像需求的时间信息在表达、识别、抽取、建模方面进行探讨,构建了遥感影像需求的时间本体。原型系统的实验表明该本体模型适用于遥感影像需求的时间解析与推理,能提升遥感影像智能服务的效果。
关键词(KeyWords): 遥感影像;时间本体;时间描述;时间解析及推理
基金项目(Foundation):
作者(Author): 曹启程
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