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¹ßÇàÇÐȸ : ´ëÇѱ³ÅëÇÐȸ [Korean society of Transportation]
¹ßÇàÁ¤º¸ : Á¦ 33±Ç 4È£ pp.417-429(13 pages)
¹ßÇà³âµµ : 2015
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Evaluation of traffic data qu
ality is a backbone of better traffic information and management systems because it directly affects the reliability of traffic information. This study developed an integrated index for evaluating the quality of archived intelligent transportation systems (ITS) data. Two novel indices including spatio-temporal consistency and severity of missing data were devised and integrated with existing indices such as availability and completeness. An evaluation framework was proposed based on the developed integrated index. Both analytical hierarchical analysis (AHP) technique and entropy method were adopted to derive mixed weighting values to be used for the integrated index. It is expected that the proposed methodology would be effectively used in enhancing the quality of traffic data as a part of traffic information system. (ÀÌÇÏ »ý·«)
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