變更

              
    

          
          
        
        

            
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  "author": "",
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  "author": "",
            
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  "author_email": "",
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  "author_email": "",
            
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  "creator_user_id": "e7a68485-fadf-4233-a850-9856b293758d",
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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": "dcat-ap-theme",
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      "key": "dcat-ap-theme",
            
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      "value": 
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      "value": 
            
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"http://publications.europa.eu/resource/authority/data-theme/TECH"
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"http://publications.europa.eu/resource/authority/data-theme/TECH"
            
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    },
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    },
            
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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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  "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": "2023-06-06T14:24:28.438206",
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  "metadata_modified": "2023-06-06T14:24:31.622046",
            
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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 
            
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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 
34
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 
            
36
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 
            
37
vertically and horizontally, creating 4 tiles that cover the globe. 
37
vertically and horizontally, creating 4 tiles that cover the globe. 
            
38
This tile-splitting continues as zoom level increases, causing tiles 
38
This tile-splitting continues as zoom level increases, causing tiles 
            
39
to become exponentially smaller as we zoom into a given region. By 
39
to become exponentially smaller as we zoom into a given region. By 
            
40
this definition, tile sizes are actually some fraction of the 
40
this definition, tile sizes are actually some fraction of the 
            
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width/height of Earth according to Web Mercator projection 
41
width/height of Earth according to Web Mercator projection 
            
42
(EPSG:3857). As such, tile size varies slightly depending on latitude, 
42
(EPSG:3857). As such, tile size varies slightly depending on latitude, 
            
43
but tile sizes can be estimated in meters.\r\n\r\nFor the purposes of 
43
but tile sizes can be estimated in meters.\r\n\r\nFor the purposes of 
            
44
these layers, a zoom level of 16 (z=16) is used for the tiling. This 
44
these layers, a zoom level of 16 (z=16) is used for the tiling. This 
            
45
equates to a tile that is approximately 610.8 meters by 610.8 meters 
45
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 
46
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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atlas.digitale-mrn.de/images/MRN_Logo_Dachmarke_farbig_kein_Text.png",
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edtest_performance_fixed_tiles_mrn&outputFormat=application%2Fx-gpkg",
            
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  ],
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  "state": "active",
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  "state": "active",
            
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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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      "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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      "vocabulary_id": null
            
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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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}