Bulletin of Surveying and Mapping ›› 2021, Vol. 0 ›› Issue (3): 134-137.doi: 10.13474/j.cnki.11-2246.2021.0093

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The problems and thinking of surveying and mapping geographic information testing in the era of big data

LI Chong, TAN Mingjian, TAN Li   

  1. Sichuan Quality Supervision and Testing Center of Surveying and Mapping Product, Chengdu 610041, China
  • Received:2020-04-28 Online:2021-03-25 Published:2021-04-02

Abstract: In the era of big data, surveying and mapping geographic information data, as an important basic data bearing all kinds of natural resource information, social information, economic information, human information, etc., it has a significant quality. However, the current quality inspection of surveying and mapping geographic information can not fully meet the needs of the times from the theoretical basis, methods, service models and other aspects. This paper analyzes some typical characteristics and ways of thinking in the era of big data, analyzes some problems faced by the quality inspection and detection of surveying and mapping geographic information in the new era from the aspects of quality measurement, sampling inspection and evaluation, inspection and detection, and finally gives some thoughts and suggestions.

Key words: big data, geographic information, inspection and test, sampling, quality assessment

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