Results 21 to 30 of about 20,737 (267)

Crime Mapping in Gujrat, Pakistan using GIS

Sukkur IBA Journal of Computing and Mathematical Sciences, 2020
—In previous years, crime has turned into a broad spectrum term in Pakistan. Street crime in Pakistan is in the high range. This needs a measurable research on crime mapping.
Syeda Ambreen Zahra
doaj   +5 more sources

An Extended Semi-Supervised Regression Approach with Co-Training and Geographical Weighted Regression: A Case Study of Housing Prices in Beijing

ISPRS International Journal of Geo-Information, 2016
This paper proposes an extended semi-supervised regression approach to enhance the prediction accuracy of housing prices within the geographical information science field.
Yi Yang, Jiping Liu, Shenghua Xu, Yangyang Zhao   +3 more
doaj   +1 more source

Flash Flood Susceptibility Modeling and Magnitude Index Using Machine Learning and Geohydrological Models: A Modified Hybrid Approach

Remote Sensing, 2020
In an arid region, flash floods (FF), as a response to climate changes, are the most hazardous causing massive destruction and losses to farms, human lives and infrastructure.
Samy Elmahdy, Tarig Ali, Mohamed Mohamed
doaj   +1 more source

A Mixed Geographically and Temporally Weighted Regression: Exploring Spatial-Temporal Variations from Global and Local Perspectives

Entropy, 2017
To capture both global stationarity and spatiotemporal non-stationarity, a novel mixed geographically and temporally weighted regression (MGTWR) model accounting for global and local effects in both space and time is presented.
Jiping Liu, Yangyang Zhao, Yi Yang, Shenghua Xu, Fuhao Zhang, Xiaolu Zhang, Lihong Shi, Agen Qiu   +7 more
doaj   +1 more source

Communication Network for Ultrasonic Acoustic Water Leakage Detectors

IEEE Access, 2020
Water leaks in the distribution network produce significant losses and cause serious economic inconvenience especially in areas with water shortage.
Ameen Awwad, Mohamed Yahyia, Lutfi Albasha, Md. Maruf Mortula, Tarig Ali   +4 more
doaj   +1 more source

Construction and Inference Method of Semantic-Driven, Spatio-Temporal Derivation Relationship Network for Place Names

ISPRS International Journal of Geo-Information
As the proper noun for geographical entities, place names provide an intuitive way to identify and access specific geographic locations, playing a key role in semantic expression and spatial retrieval.
Wenjie Dong, Xi Mao, Wenjuan Lu, Jizhou Wang, Yao Cheng   +4 more
doaj   +1 more source

Point of Interest Matching between Different Geospatial Datasets

ISPRS International Journal of Geo-Information, 2019
Point of interest (POI) matching finds POI pairs that refer to the same real-world entity, which is the core issue in geospatial data integration. To address the low accuracy of geospatial entity matching using a single feature attribute, this study ...
Yue Deng, An Luo, Jiping Liu, Yong Wang
doaj   +1 more source

Expected-Use GIS maps

Rangelands, 2000
T he ability to identify and map areas cattle are expected to utilize heavily and areas cattle may avoid will reduce the time required to establish realistic objectives. There are many factors that cause cattle to typically utilize forage in an uneven manner.
Keith S. Guenther, Glen E. Guenther, Peggy S. Redick   +2 more
openaire   +2 more sources

An Accurate Recognition Method for Landslides Based on a Semi-Supervised Generative Adversarial Network: A Case Study in Lanzhou City

Applied Sciences
With the development of computer technology, landslide recognition based on machine learning methods has been widely applied in geological disaster management and research.
Wenjuan Lu, Zhan’ao Zhao, Xi Mao, Yao Cheng   +3 more
doaj   +1 more source

THE STUDY OF SPECTRUM RECONSTRUCTION BASED ON FUZZY SET FULL CONSTRAINT AND MULTIENDMEMBER DECOMPOSITION [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Hyperspectral imaging system can obtain spectral and spatial information simultaneously with bandwidth to the level of 10 nm or even less. Therefore, hyperspectral remote sensing has the ability to detect some kinds of objects which can not be ...
Y. Sun, Y. Lin, X. Hu, S. Zhao, S. Liu, Q. Tong, D. Helder, L. Yan   +7 more
doaj   +1 more source