Bulletin of Surveying and Mapping ›› 2023, Vol. 0 ›› Issue (11): 54-60.doi: 10.13474/j.cnki.11-2246.2023.0327

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Multi-source POI location fusion considering address semantics and geospatial features

LI Pengpeng1,2, LIU Jiping1,2, WAGN Yong1,2, LUO An2,3, SANG Yu3, YAN Xuefeng2   

  1. 1. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China;
    2. Chinese Academy of Surveying and Mapping, Beijing 100830, China;
    3. School of Marine Technologyand Geomatics, Jiangsu Ocean University, Lianyungang 222005, China
  • Received:2023-02-17 Published:2023-12-07

Abstract: Multi-source POI location fusion is one of the key technologies for geospatial data matching and fusion. However, due to the difference of location coding and location error between different POI data sources, location fusion becomes more difficult. Multi-source POI location fusion considering address semantics and geospatial feature is proposed. Firstly, semantic features of address attributes are extracted by TextRCNN and graph attention network. Then, Multi-layer perceptron is used to extract geospatial features of location attributes. Finally, multi-source POI location fusion is realized by feature aggregation based on self-attention mechanism. We conduct experimental verification on the POI data of Baidu map, Tencent map and Amap in Chengdu. The results show that this method is significantly superior to the existing methods, and the average location fusion accuracy is better than 12 m.

Key words: address semantics, geospatial features, TextRCNN, graph attention network, multi-layer perceptron, self-attention mechanism

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