A GIS-oriented location model for supporting indoor evacuation
文献类型：期刊论文
| 作者 | Liu, Tianyue1; Chi, Tianhe1; Li, Hongga1; Rui, Xiaoping1; Lin, Hui1 |
| 刊名 | INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE
 |
| 出版日期 | 2015 |
| 卷号 | 29期号:2页码:784-794 |
| 关键词 | indoor marked cells index location model update strategy evacuation objects |
| 通讯作者 | Chi, TH (reprint author), Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Lab Spatial Informat Integrat Technol, Beijing 100101, Peoples R China. |
| 英文摘要 | With increasingly large location data sets, improvements in query efficiency and reductions in location update costs have become important issues. For indoor evacuation, due to the different characteristics of indoor and outdoor environments, it is not easy to monitor and query evacuation objects using existing methods. Therefore, in this study, a geographical information system (GIS)-oriented location model called the velocity range and marked cell (VRMC) model is established, which includes three processes: (1) the generation of indoor geometric spaces called indoor marked cells (IMCs) and two auxiliary structures, the connection matrix and the tendency cells, oriented by GIS; (2) the construction of a VRMC-tree index based on Equation (1) for efficiently supporting new emergency queries; and (3) usage of the interaction between the objects' velocities and the IMCs as an update strategy to filter the indoor positioning results. As demonstrated by simulative and real positioning data sets, the proposed model improves the query efficiency for evacuation objects, compared with existing indoor indexes and update strategies, and makes further progress toward resolving the trade-off between emergency query precision and server-side update costs. |
| 研究领域[WOS] | Computer Science, Information Systems ; Geography ; Geography, Physical ; Information Science & Library Science |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000351772900007 |
| 源URL | [http://ir.ceode.ac.cn/handle/183411/38276]  |
| 专题 | 遥感与数字地球研究所_SCI/EI期刊论文_期刊论文 |
| 作者单位 | 1.[Liu, Tianyue 2.Chi, Tianhe 3.Li, Hongga 4.Lin, Hui] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Lab Spatial Informat Integrat Technol, Beijing 100101, Peoples R China 5.[Liu, Tianyue 6.Lin, Hui] Univ Chinese Acad Sci, Beijing 100049, Peoples R China 7.[Rui, Xiaoping] Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Tianyue,Chi, Tianhe,Li, Hongga,et al. A GIS-oriented location model for supporting indoor evacuation[J]. INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE,2015,29(2):784-794. |
| APA | Liu, Tianyue,Chi, Tianhe,Li, Hongga,Rui, Xiaoping,&Lin, Hui.(2015).A GIS-oriented location model for supporting indoor evacuation.INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE,29(2),784-794. |
| MLA | Liu, Tianyue,et al."A GIS-oriented location model for supporting indoor evacuation".INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE 29.2(2015):784-794. |
入库方式： OAI收割
来源：遥感与数字地球研究所
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