Journal
INFORMATION FUSION
Volume 53, Issue -, Pages 123-133Publisher
ELSEVIER
DOI: 10.1016/j.inffus.2019.06.016
Keywords
Urban computing; Big data; Data fusion; Deep learning
Funding
- National Natural Science Foundation of China [61773324]
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Urban big data fusion creates huge values for urban computing in solving urban problems. In recent years, various models and algorithms based on deep learning have been proposed to unlock the power of knowledge from urban big data. To clarify the methodologies of urban big data fusion based on deep learning (DL), this paper classifies them into three categories: DL-output-based fusion, DL-input-based fusion and DL-double-stage-based fusion. These methods use deep learning to learn feature representation from multi-source big data. Then each category of fusion methods is introduced and some examples are shown. The difficulties and ideas of dealing with urban big data will also be discussed.
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