基于潜在语义信息的城市功能区识别----广州市浮动车GPS时空数据挖掘
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陈世莉, 陶海燕, 李旭亮, 卓莉
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Discovering urban functional regions using latent semantic information: Spatiotemporal data mining of floating cars GPS data of Guangzhou
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Shili CHEN, Haiyan TAO, Xuliang LI, Li ZHUO
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表2 POI密度和功能区排序 |
Tab. 2 Overall POI density vector and ranking of functional zones (FD: Frequency Density, IR: Internal Ranking, F: Functional Zones) |
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POI类别 | F0 | | F1 | | F2 | | F3 | | F4 | | F5 | | F6 | | F7 | | F8 | FD | | IR | | FD | IR | | FD | | IR | FD | | IR | | FD | IR | FD | IR | FD | IR | FD | IR | FD | IR | 国际国外组织机构 | 0.0000 | 23 | | 0.0008 | 26 | | 0.0007 | 26 | | 0.0005 | 28 | | 0.0026 | 24 | | 0.0000 | 27 | | 0.0000 | 22 | | 0.0000 | 25 | | 0.0000 | 25 | 技术开发 | 0.0000 | 24 | 0.0035 | 23 | 0.0032 | 21 | 0.0025 | 21 | 0.0085 | 18 | 0.0022 | 22 | 0.0047 | 19 | 0.0002 | 23 | 0.0393 | 16 | 综合性大学 | 0.0000 | 25 | 0.0049 | 20 | 0.0054 | 19 | 0.0033 | 20 | 0.0060 | 21 | 0.0090 | 15 | 0.0000 | 23 | 0.0007 | 21 | 0.0187 | 19 | 综合医院 | 0.0000 | 26 | 0.0037 | 22 | 0.0004 | 28 | 0.0023 | 23 | 0.0012 | 25 | 0.0004 | 25 | 0.0000 | 24 | 0.0000 | 26 | 0.0075 | 23 | 广播电台 | 0.0005 | 22 | 0.0031 | 25 | 0.0015 | 23 | 0.0012 | 25 | 0.0028 | 23 | 0.0015 | 23 | 0.0000 | 25 | 0.0002 | 24 | 0.0019 | 24 | 会展中心 | 0.0000 | 27 | 0.0002 | 28 | 0.0011 | 25 | 0.0006 | 27 | 0.0002 | 29 | 0.0000 | 28 | 0.0000 | 26 | 0.0000 | 27 | 0.0000 | 26 | 博物馆 | 0.0000 | 28 | 0.0008 | 27 | 0.0007 | 27 | 0.0008 | 26 | 0.0005 | 27 | 0.0000 | 29 | 0.0000 | 27 | 0.0000 | 28 | 0.0000 | 27 | 体育机构各类场馆 | 0.0038 | 18 | 0.0167 | 17 | 0.0116 | 17 | 0.0113 | 16 | 0.0120 | 15 | 0.0071 | 16 | 0.0156 | 16 | 0.0035 | 16 | 0.0187 | 20 | 银行和保险服务 | 0.0213 | 9 | 0.1024 | 6 | 0.0827 | 7 | 0.0678 | 5 | 0.0857 | 5 | 0.0373 | 8 | 0.0779 | 6 | 0.0233 | 8 | 0.1758 | 5 | 农场林场,果场生产 | 0.0066 | 15 | 0.0035 | 24 | 0.0015 | 24 | 0.0025 | 22 | 0.0039 | 22 | 0.0052 | 17 | 0.0000 | 28 | 0.0009 | 19 | 0.0206 | 18 | 园艺销售 | 0.3623 | 1 | 0.0218 | 16 | 0.0187 | 16 | 0.0064 | 18 | 0.0068 | 19 | 0.0052 | 18 | 0.0125 | 17 | 0.0023 | 18 | 0.0094 | 21 | 电脑网络高新技术 | 0.0027 | 20 | 0.0599 | 8 | 0.0718 | 9 | 0.0601 | 7 | 0.2128 | 2 | 0.0523 | 6 | 0.0405 | 12 | 0.0042 | 15 | 1.2590 | 1 | 纺织服装生产厂 | 0.0776 | 5 | 0.4281 | 1 | 0.1597 | 3 | 0.0967 | 3 | 0.0772 | 7 | 0.1318 | 3 | 0.4798 | 1 | 0.2385 | 1 | 0.2469 | 4 | 化工原料及制品 | 0.0169 | 10 | 0.0586 | 9 | 0.0748 | 8 | 0.0292 | 13 | 0.0429 | 10 | 0.0358 | 9 | 0.0374 | 13 | 0.0138 | 11 | 0.0804 | 8 | 宾馆住宿 | 0.0098 | 12 | 0.0523 | 11 | 0.0600 | 10 | 0.0408 | 9 | 0.0538 | 9 | 0.0314 | 10 | 0.0561 | 8 | 0.0203 | 9 | 0.0692 | 10 | 酒吧,咖啡 | 0.1290 | 3 | 0.3013 | 2 | 0.2379 | 2 | 0.2183 | 1 | 0.2221 | 1 | 0.1736 | 1 | 0.2430 | 3 | 0.1342 | 3 | 0.3349 | 3 | 娱乐业 | 0.0098 | 13 | 0.0468 | 12 | 0.0506 | 11 | 0.0337 | 12 | 0.0386 | 12 | 0.0288 | 11 | 0.0607 | 7 | 0.0119 | 13 | 0.0561 | 13 | 旅游业 | 0.0087 | 14 | 0.0430 | 14 | 0.0444 | 13 | 0.0340 | 11 | 0.0319 | 13 | 0.0105 | 14 | 0.0421 | 11 | 0.0170 | 10 | 0.0486 | 14 | 自行车修理 | 0.0066 | 16 | 0.0041 | 21 | 0.0021 | 22 | 0.0017 | 24 | 0.0006 | 26 | 0.0015 | 24 | 0.0031 | 20 | 0.0007 | 22 | 0.0000 | 28 | 开发区 | 0.0000 | 29 | 0.0000 | 29 | 0.0000 | 29 | 0.0001 | 29 | 0.0003 | 28 | 0.0004 | 26 | 0.0000 | 29 | 0.0000 | 29 | 0.0000 | 29 | 商务办公楼 | 0.0038 | 19 | 0.0444 | 13 | 0.0491 | 12 | 0.0351 | 10 | 0.0423 | 11 | 0.0250 | 12 | 0.0436 | 10 | 0.0068 | 14 | 0.0823 | 7 | 大厦/写字楼 | 0.0011 | 21 | 0.0077 | 19 | 0.0066 | 18 | 0.0053 | 19 | 0.0092 | 17 | 0.0052 | 19 | 0.0171 | 15 | 0.0009 | 20 | 0.0094 | 22 | 住宅区 | 0.0317 | 7 | 0.2254 | 3 | 0.2521 | 1 | 0.1869 | 2 | 0.1646 | 4 | 0.1374 | 2 | 0.2196 | 4 | 0.0299 | 6 | 0.4284 | 2 | 布匹,服装辅料销售 | 0.0109 | 11 | 0.0985 | 7 | 0.0277 | 15 | 0.0272 | 15 | 0.0105 | 16 | 0.0045 | 21 | 0.0078 | 18 | 0.0128 | 12 | 0.0318 | 17 | 批发部 | 0.1366 | 2 | 0.1071 | 4 | 0.0842 | 6 | 0.0630 | 6 | 0.0833 | 6 | 0.0478 | 7 | 0.0467 | 9 | 0.0306 | 5 | 0.0786 | 9 | 商场商厦,购物中心 | 0.0240 | 8 | 0.0423 | 15 | 0.0334 | 14 | 0.0281 | 14 | 0.0253 | 14 | 0.0228 | 13 | 0.0327 | 14 | 0.0247 | 7 | 0.0599 | 11 | 物流仓储,速递运输 | 0.0322 | 6 | 0.0568 | 10 | 0.0864 | 5 | 0.0483 | 8 | 0.0558 | 8 | 0.0975 | 5 | 0.0872 | 5 | 0.1594 | 2 | 0.0861 | 6 | 车船修理,销售租赁 | 0.0853 | 4 | 0.1046 | 5 | 0.1080 | 4 | 0.0854 | 4 | 0.1992 | 3 | 0.1090 | 4 | 0.2664 | 2 | 0.0866 | 4 | 0.0599 | 12 | 道路附属 | 0.0060 | 17 | 0.0092 | 18 | 0.0049 | 20 | 0.0070 | 17 | 0.0068 | 20 | 0.0052 | 20 | 0.0016 | 21 | 0.0026 | 17 | 0.0412 | 15 |
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