變更

              
    

          
          
        
        

            
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  "author": "",
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  "author_email": "",
            
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  "creator_user_id": "e7a68485-fadf-4233-a850-9856b293758d",
            
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  "extras": [
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  "extras": [
            
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    {
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    {
            
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      "key": "source",
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      "key": "source",
            
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      "value": "Ookla"
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      "value": "Ookla"
            
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    }
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    }
            
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  ],
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  ],
            
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  "groups": [],
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  "groups": [],
            
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  "id": "3b6f5442-3d43-406f-9191-a6f671fd173a",
            
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  "isopen": false,
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  "isopen": false,
            
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  "license_id": "cc-by-nc-sa/4.0",
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  "license_id": "cc-by-nc-sa/4.0",
            
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  "license_title": "Creative Commons Namensnennung - Nicht-kommerziell 
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  "license_title": "Creative Commons Namensnennung - Nicht-kommerziell 
            
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- Weitergabe unter gleichen Bedingungen 4.0 International (CC BY-NC-SA 
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- Weitergabe unter gleichen Bedingungen 4.0 International (CC BY-NC-SA 
            
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4.0)",
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4.0)",
            
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  "license_url": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
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  "license_url": "https://creativecommons.org/licenses/by-nc-sa/4.0/",
            
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  "maintainer": null,
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  "maintainer": null,
            
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  "maintainer_email": "",
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  "maintainer_email": "",
            
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  "metadata_created": "2022-04-05T12:05:40.195419",
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  "metadata_created": "2022-04-05T12:05:40.195419",
            
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  "metadata_modified": "2022-04-05T12:05:40.195431",
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  "metadata_modified": "2022-04-11T11:38:10.213639",
            
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  "name": "ookla_speedtest_dsl",
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  "name": "ookla_speedtest_dsl",
            
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  "notes": "This dataset provides global fixed broadband and mobile 
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  "notes": "This dataset provides global fixed broadband and mobile 
            
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(cellular) network performance metrics in zoom level 16 web mercator 
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(cellular) network performance metrics in zoom level 16 web mercator 
            
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tiles (approximately 610.8 meters by 610.8 meters at the equator). 
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tiles (approximately 610.8 meters by 610.8 meters at the equator). 
            
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\r\n\r\nHundreds of millions of Speedtests are taken on the Ookla 
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\r\n\r\nHundreds of millions of Speedtests are taken on the Ookla 
            
28
platform each month. In order to create a manageable dataset, we 
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platform each month. In order to create a manageable dataset, we 
            
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aggregate raw data into tiles. The size of a data tile is defined as a 
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aggregate raw data into tiles. The size of a data tile is defined as a 
            
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function of \"zoom level\" (or \"z\"). At z=0, the size of a tile is 
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function of \"zoom level\" (or \"z\"). At z=0, the size of a tile is 
            
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the size of the whole world. At z=1, the tile is split in half 
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the size of the whole world. At z=1, the tile is split in half 
            
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vertically and horizontally, creating 4 tiles that cover the globe. 
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vertically and horizontally, creating 4 tiles that cover the globe. 
            
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This tile-splitting continues as zoom level increases, causing tiles 
33
This tile-splitting continues as zoom level increases, causing tiles 
            
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to become exponentially smaller as we zoom into a given region. By 
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to become exponentially smaller as we zoom into a given region. By 
            
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this definition, tile sizes are actually some fraction of the 
35
this definition, tile sizes are actually some fraction of the 
            
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width/height of Earth according to Web Mercator projection 
36
width/height of Earth according to Web Mercator projection 
            
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(EPSG:3857). As such, tile size varies slightly depending on latitude, 
37
(EPSG:3857). As such, tile size varies slightly depending on latitude, 
            
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but tile sizes can be estimated in meters.\r\n\r\nFor the purposes of 
38
but tile sizes can be estimated in meters.\r\n\r\nFor the purposes of 
            
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these layers, a zoom level of 16 (z=16) is used for the tiling. This 
39
these layers, a zoom level of 16 (z=16) is used for the tiling. This 
            
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equates to a tile that is approximately 610.8 meters by 610.8 meters 
40
equates to a tile that is approximately 610.8 meters by 610.8 meters 
            
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at the equator (18 arcsecond blocks). The geometry of each tile is 
41
at the equator (18 arcsecond blocks). The geometry of each tile is 
            
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represented in WGS 84 (EPSG:4326) in the tile 
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represented in WGS 84 (EPSG:4326) in the tile 
            
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field.\r\n\r\nhttps://github.com/teamookla/ookla-open-data",
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field.\r\n\r\nhttps://github.com/teamookla/ookla-open-data",
            
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    "image_url": 
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  "tags": [
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  "tags": [
            
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    {
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    {
            
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      "display_name": "Bandbreite",
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      "display_name": "Bandbreite",
            
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      "id": "430f006f-0323-4b23-a369-ebecd2a51acc",
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      "id": "430f006f-0323-4b23-a369-ebecd2a51acc",
            
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      "name": "Bandbreite",
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      "name": "Bandbreite",
            
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      "state": "active",
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      "state": "active",
            
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      "vocabulary_id": null
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    },
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    },
            
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    {
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    {
            
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      "display_name": "Digitalisierung",
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      "display_name": "Digitalisierung",
            
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      "id": "c7ef8d1f-5d23-4fc8-849a-a927c597a416",
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      "id": "c7ef8d1f-5d23-4fc8-849a-a927c597a416",
            
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      "name": "Digitalisierung",
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      "name": "Digitalisierung",
            
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      "state": "active",
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      "state": "active",
            
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    }
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    }
            
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  ],
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  ],
            
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  "title": "Bandbreite DSL (ermittelt durch Speedtest)",
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  "title": "Bandbreite DSL (ermittelt durch Speedtest)",
            
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  "type": "dataset",
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  "type": "dataset",
            
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  "url": "Nicht vorhanden",
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  "url": "Nicht vorhanden",
            
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  "version": null
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  "version": null
            
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}
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}