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科研机构
北京大学 [1134]
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其他 [692]
期刊论文 [441]
会议论文 [1]
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2017 [79]
2016 [141]
2015 [139]
2014 [84]
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2012 [86]
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专题:北京大学
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Increasing the Use of Urban Greenways in Developing Countries: A Case Study on Wutong Greenway in Shenzhen, China
期刊论文
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, 2017
Chen, Yiyong
;
Gu, Weiying
;
Liu, Tao
;
Yuan, Lei
;
Zeng, Mali
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
frequency of use
duration of use
logistic regression
urban greenway
PHYSICAL-ACTIVITY BEHAVIORS
PUBLIC OPEN SPACE
HEALTH
INFRASTRUCTURE
COMMUNITIES
DESIGN
PLACE
Estimating heroin abuse in major Chinese cities through wastewater-based epidemiology
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Du, Peng
;
Zhou, Zilei
;
Bai, Ya
;
Xu, Zeqiong
;
Gao, Tingting
;
Fu, Xiaofang
;
Li, Xiqing
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
Heroin
Abuse
Wastewater
Epidemiology
China
ILLICIT DRUG CONSUMPTION
PERSONAL CARE PRODUCTS
TREATMENT PLANTS
SURFACE WATERS
PHARMACEUTICALS
METABOLITES
MORPHINE
REMOVAL
FATE
METHAMPHETAMINE
Extraction and analysis of city's tourism districts based on social media data
期刊论文
COMPUTERS ENVIRONMENT AND URBAN SYSTEMS, 2017
Shao, Hu
;
Zhang, Yi
;
Li, Wenwen
收藏
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浏览/下载:112/0
  |  
提交时间:2017/12/03
Tourism district
Social media
Spatial-temporal behavior
DESTINATION
NETWORKS
TRACKING
COMMUNITIES
SINGAPORE
IDENTIFICATION
ORGANIZATION
LOCATION
EXAMPLE
WORLD
Validation of a low-cost 2D laser scanner in development of a more-affordable mobile terrestrial proximal sensing system for 3D plant structure phenotyping in indoor environment
期刊论文
COMPUTERS AND ELECTRONICS IN AGRICULTURE, 2017
Wang, Huanhuan
;
Lin, Yi
;
Wang, Zeliang
;
Yao, Yunjun
;
Zhang, Yuhu
;
Wu, Ling
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Plant phenotyping
Proximal sensing
Low-cost
2D laser scanner
3D plant structure
Indoor environment
LIDAR SENSOR
CROP
PHENOMICS
VEGETATION
CANOPIES
城市手机用户移动轨迹时空熵特征分析
期刊论文
武汉大学学报(信息科学版), 2017
康朝贵
;
刘瑜
;
邬伦
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
手机话单
个体轨迹
活动提取
出行模式
时空熵
call detailed records
digital traces
displacement identification
mobility patterns
trajectory entropy
Integrating multi-source big data to infer building functions
期刊论文
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2017
Niu, Ning
;
Liu, Xiaoping
;
Jin, He
;
Ye, Xinyue
;
Liu, Yu
;
Li, Xia
;
Chen, Yimin
;
Li, Shaoying
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Multi-source big data
density-based method
building functions
LAND-USE CLASSIFICATION
HUMAN MOBILITY
TIME-SERIES
PATTERNS
COVER
LIMITATIONS
AREAS
CITY
基于云平台的煤矿监测数据可视化计算系统设计与应用
期刊论文
煤炭科学技术, 2017
杨玉勤
;
毛善君
;
杨阳
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  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
云计算
动态模型库
在线地图服务
可视化计算
cloud calculation
dynamic model library
online map services
visualized calculation
A Novel Popular Tourist Attraction Discovering Approach Based on Geo-Tagged Social Media Big Data
期刊论文
ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION, 2017
Peng, Xia
;
Huang, Zhou
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
social media
geographical big data
tourist attraction
popularity analysis
PHOTOS
ParaView visualization of Abaqus output on the mechanical deformation of complex microstructures
期刊论文
COMPUTERS & GEOSCIENCES, 2017
Liu, Qingbin
;
Li, Jiang
;
Liu, Jie
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Abaqus (R)
Post-processing
Python script
ParaView
Parallel visualization
MICROTOMOGRAPHY
Dynamic Resource Allocation for Energy Efficient Transmission in Digital Subscriber Lines
其他
2017-01-01
Zhang, Nan
;
Yao, Zhi-Qiang
;
Liu, Yixian
;
Boyd, Stephen P.
;
Luo, Zhi-Quan
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
DSL
resource allocation
discontinuous operation
energy efficiency
dynamic programming
DSL
SYSTEMS
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