With the development of wireless communication technology and the widespread popularity of intelligent mobile terminals, lo-cation-based services have integrated into all aspects of people's lives.Among them, Top-k spatial preference query has important sig-nificance in fields such as geographic information systems, urban construction planning, resource allocation and tourism planning.Top-k spatial preference query evaluates spatial objects based on their surrounding features and returns k spatial objects with the highest level of evaluation.At present, research on Top-k spatial preference queries mainly focuses on Euclidean space and road network environments. This article analyzes and compares Top-k spatial preference query methods in Euclidean space and road network environments.
关键词
Top-k空间偏好查询/欧式空间/路网环境/R-tree索引/网络索引
Key words
Top-k spatial preference query/Euclidean space/road network environment/R-tree index/grid index
维普
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