Results 41 to 50 of about 4,033,844 (218)

Designing A Mobile Learning Application Based On The MOBIlearn Task Model [PDF]

, 2018
In the past few years, there are an increasing number of higher educational institutions offer courses using mobile technologies as a supplementary to traditional learning.
Jamil, Abdurrahman
core   +1 more source

A Multiresolution Vector Data Compression Algorithm Based on Space Division

ISPRS International Journal of Geo-Information, 2020
Vector data compression can significantly improve efficiency of geospatial data management, visualization and data transmission over internet. Existing compression methods are either based on information theory for lossless compression mainly or based on
Dongge Liu, Tao Wang, Xiaojuan Li, Yeqing Ni, Yanping Li, Zhao Jin   +5 more
doaj   +1 more source

Spatial and Temporal Interaction Coupling of Digital Economy, New-Type Urbanization and Land Ecology and Spatial Effects Identification: A Study of the Yangtze River Delta

Land, 2023
In the digital era, the contradiction between regional urban development and land ecological protection is still prominent. Clarifying the relationship and internal interaction logic among digital economy (DE), new-type urbanization (NU), and land ...
Yuqi Zhu, Siwei Shen, Linyu Du, Jun Fu, Jian Zou, Lina Peng, Rui Ding   +6 more
doaj   +1 more source

In-Orbit Assessment of Image Quality Metrics for the LuTan-1 SAR Satellite Constellation

Remote Sensing
LuTan-1(LT-1) is the first Chinese civil L-band satellite constellation for geohazard observation, comprising LT-1A and LT-1B satellites. By employing interferometric altimetry and differential deformation measurement technologies, it achieves high ...
Mingxia Zhang, Liyuan Liu, Aichun Wang, Qijin Han, Minghui Hou, Yanru Li   +5 more
doaj   +1 more source

Magic Sets and Their Application to Data Integration [PDF]

Journal of Computer and System Sciences, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
FABER, WOLFGANG, GRECO, Gianluigi, LEONE, Nicola   +2 more
openaire   +5 more sources

Radiometric Performance Monitoring Method for LuTan-1 Satellites Combining Internal Calibration and Field Calibration

Remote Sensing
The Lutan-1 (LT-1) mission is the first civilian L-band differential interferometric synthetic aperture radar (SAR) system in China, with interferometry as its primary application.
Yulin Yao, Mingxia Zhang, Bopeng Yang, Hang Zhao, Qijin Han, Minghui Hou   +5 more
doaj   +1 more source

Study on the Evolution and Resilience of Rail Transit Time Networks—Evidence from China

Applied Sciences, 2022
In the network operation and management of rail transit systems, the occurrence of unexpected events causes damage to the network structure, further hindering regional accessibility performance and the function of the system.
Rui Ding, Linyu Du, Yiming Du, Jun Fu, Yuqi Zhu, Yilin Zhang, Lina Peng   +6 more
doaj   +1 more source

Data visualization web application interface for the BENEFIT-MED project [PDF]

Here is the link for the web application developped fir the data analysis embedded to the BENEFIT-MED ...
Amegnihe, Fifonsi Fafa, RAJJOU Loïc
core   +1 more source

Who influences whom? Central bankers and academics in the 2008 crisis - Appendix [PDF]

, 2023
The file contains 5 annexes to the paper 'Who influences whom? Central bankers and academics in the 2008 crisis. These tables provide data on the construction of the time series, the identification of key issues through correspondence analysis and the ...
Tusset, Gianfranco
core   +1 more source

Radiometric Cross-Calibration and Performance Analysis of HJ-2A/2B 16m-MSI Using Landsat-8/9 OLI with Spectral-Angle Difference Correction

Remote Sensing
The Huanjing-2A/2B (HJ-2A/2B) satellites are China’s next-generation environmental monitoring satellites, equipped with four visible light wide-swath charge-coupled device (CCD) sensors. These sensors enable the acquisition of 16-m multispectral imagery (
Jian Zeng, Hang Zhao, Yongfang Su, Qiongqiong Lan, Qijin Han, Xuewen Zhang, Xinmeng Wang, Zhaopeng Xu, Zhiheng Hu, Xiaozheng Du, Bopeng Yang   +10 more
doaj   +1 more source