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Development of Archiving and Data Fusion Strategies for Travel Time Data. Final rept.
| 题名： | Development of Archiving and Data Fusion Strategies for Travel Time Data. Final rept. |
| 作者： | Richardson-J.K.; Smith-B.L. |
| 关键词： | *Travel-time; *Traffic-control.;Data-storage; Transportation-networks; Traffic-flow; Traffic-volume; Monitoring-; Time-measurement; Statistical-data. |
| 摘要： | There is currently a robust field of research dedicated to estimating travel time on road networks. Nearly all of this work has focused on the task of deriving travel time from loop-detector data and various probe monitoring approaches. However, there has been little effort devoted to effectively and efficiently manage travel time data originating from multiple sources. Archived Database Management Systems (ADMS) emerged as a response to the need to manage and store the massive amounts of data being generated by traditional ITS technologies (in most cases, point detector data). Yet, while ADMS systems have been successful in storing vast amounts of point data such as speed, occupancy, and volume, there is currently no consensus on the best approach to storing and managing travel time data. This research explored the issues involved in managing travel time data and looks at information technology and statistical methods to address the key challenges in this area. The results presented in this report include a new data model to accommodate travel time data according to three distinct dimensions of the data: the source, the spatial extent, and the time of measurement. |
| 报告类型： | 科技报告 |
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