DALLY
发表于 2025-3-25 04:37:00
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突变
发表于 2025-3-25 10:40:59
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发电机
发表于 2025-3-25 13:40:16
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钉牢
发表于 2025-3-25 19:37:14
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inconceivable
发表于 2025-3-25 20:42:06
Identifying Optimal Study Areas and Spatial Aggregation Units for Point-Based VGI from Multiple Sourhree different components of data quality: coverage, density, and user-heterogeneity. Two popular sources of passive VGI are used for initial testing of the metric: Twitter and Flickr. We compare the component and aggregate measures for different simulated point processes and demonstrate the propert
脾气暴躁的人
发表于 2025-3-26 00:54:13
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HATCH
发表于 2025-3-26 04:33:55
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感情脆弱
发表于 2025-3-26 09:02:06
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美丽的写
发表于 2025-3-26 14:09:36
How to Model Roads in OpenStreetMap? A Method for Evaluating the Fitness-for-Use of the Network for sues are usually related to how roads are ‘drawn’ (modeled) by OSM contributors. First of all, this paper identifies several issues in tagging and modeling OSM road network by case studies, and also gives suggestions for contributors and routing service providers. As a key contribution, this paper p
overreach
发表于 2025-3-26 19:11:16
Development of a Nationwide Road Change Database for the U.S. in the Post-Recession Years (2008–2012owever, short-term comparative explorations, especially those considering all levels of the nationwide road hierarchy, have been neglected. This study aims to create a comprehensive road change database of the United States through compilation of U.S. Census Bureau TIGER/Line GIS datasets from 2008