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Created April 3, 2015 10:19
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Geolocation retrieval from loklak instead of hash based API
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geoloc.md

For a sample loklak query which is as follows http://loklak.net/api/search.json?q=sudheesh001 We get the following data

{
    "created_at" : "2015-04-01T06:21:44.000Z",
    "screen_name" : "sudheesh001",
    "text" : "Managed to integrate #loklak by @0rb1t3r into the GEAR Systems project for better governance #IEEE #EPICS",
    "link" : "https://twitter.com/sudheesh001/status/583152246340239361",
    "id_str" : "583152246340239361",
    "source_type" : "TWITTER",
    "provider_type" : "REMOTE",
    "provider_hash" : "7ffffffe",
    "retweet_count" : 0,
    "favourites_count" : 1,
    "images" : [ ],
    "images_count" : 0,
    "place_name" : "Warangal-Hamamkonda, Andhra Pradesh",
    "place_id" : "3fcfb985eff1817a",
    "hosts" : [ ],
    "hosts_count" : 0,
    "links" : [ ],
    "links_count" : 0,
    "mentions" : [ "0rb1t3r" ],
    "mentions_count" : 1,
    "hashtags" : [ "loklak", "IEEE", "EPICS" ],
    "hashtags_count" : 3,
    "without_l_len" : 105,
    "without_lu_len" : 96,
    "without_luh_len" : 75,
    "user" : {
      "name" : "SudheeshSinganamalla",
      "screen_name" : "sudheesh001",
      "profile_image_url_https" : "https://pbs.twimg.com/profile_images/500559201542762498/IvDEqWy1_bigger.jpeg",
      "appearance_first" : "2015-04-03T10:09:11.313Z",
      "appearance_latest" : "2015-04-03T10:09:11.313Z"
    }
  }

The place_id is a hash and can only be converted to geo-json after authenticating the app to make a request. To avoid this, One possible option could be to use the place_name which is Warangal-Hamamkonda, Andhra Pradesh in this case and make a GET request as follows http://maps.google.com/maps/api/geocode/json?address=Warangal-Hamamkonda,+Andhra+Pradesh&sensor=false resulting in

{
   "results" : [
      {
         "address_components" : [
            {
               "long_name" : "Andhra Pradesh Dairy Development Co-operative Federation Limited Office Of The Deputy Director",
               "short_name" : "Andhra Pradesh Dairy Development Co-operative Federation Limited Office Of The Deputy Director",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "Warangal-Hyderabad Road",
               "short_name" : "Warangal-Hyderabad Rd",
               "types" : [ "route" ]
            },
            {
               "long_name" : "Alankar",
               "short_name" : "Alankar",
               "types" : [ "sublocality_level_2", "sublocality", "political" ]
            },
            {
               "long_name" : "Brahmanawada",
               "short_name" : "Brahmanawada",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Hanamkonda",
               "short_name" : "HNK",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Telangana",
               "short_name" : "Telangana",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506011",
               "short_name" : "506011",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "Andhra Pradesh Dairy Development Co-operative Federation Limited Office Of The Deputy Director, Warangal-Hyderabad Road, Alankar, Brahmanawada, Hanamkonda, Telangana 506011, India",
         "geometry" : {
            "location" : {
               "lat" : 18.0017782,
               "lng" : 79.58019929999999
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 18.0031271802915,
                  "lng" : 79.5815482802915
               },
               "southwest" : {
                  "lat" : 18.0004292197085,
                  "lng" : 79.57885031970848
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJUW0pC3VFMzoRl5rpS5jFkgU",
         "types" : [ "point_of_interest", "establishment" ]
      },
      {
         "address_components" : [
            {
               "long_name" : "Government Of Andhra Pradesh Regional Library",
               "short_name" : "Government Of Andhra Pradesh Regional Library",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "Sardar Vallabhai Patel Road",
               "short_name" : "Sardar Vallabhai Patel Rd",
               "types" : [ "route" ]
            },
            {
               "long_name" : "Rangampet",
               "short_name" : "Rangampet",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Telangana",
               "short_name" : "Telangana",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506007",
               "short_name" : "506007",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "Government Of Andhra Pradesh Regional Library, Sardar Vallabhai Patel Road, Rangampet, Warangal, Telangana 506007, India",
         "geometry" : {
            "location" : {
               "lat" : 17.9966202,
               "lng" : 79.58901829999999
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 17.9979691802915,
                  "lng" : 79.59036728029149
               },
               "southwest" : {
                  "lat" : 17.9952712197085,
                  "lng" : 79.58766931970848
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJC1dqkw5FMzoR3TGA1WOw540",
         "types" : [ "library", "point_of_interest", "establishment" ]
      },
      {
         "address_components" : [
            {
               "long_name" : "Urdu Academy Library Andhra Pradesh",
               "short_name" : "Urdu Academy Library Andhra Pradesh",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "H.No. 7-7-47",
               "short_name" : "H.No. 7-7-47",
               "types" : [ "subpremise" ]
            },
            {
               "long_name" : "Opp. Mohammed Khan Jewellers, Ujli Base, Warangal District Centre",
               "short_name" : "Opp. Mohammed Khan Jewellers, Ujli Base, Warangal District Centre",
               "types" : [ "neighborhood", "political" ]
            },
            {
               "long_name" : "Brahmanawada",
               "short_name" : "Brahmanawada",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Hanamkonda",
               "short_name" : "HNK",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Telangana",
               "short_name" : "Telangana",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506001",
               "short_name" : "506001",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "H.No. 7-7-47, Urdu Academy Library Andhra Pradesh, Opp. Mohammed Khan Jewellers, Ujli Base, Warangal District Centre, Brahmanawada, Hanamkonda, Telangana 506001, India",
         "geometry" : {
            "location" : {
               "lat" : 18.0034669,
               "lng" : 79.5761569
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 18.0048158802915,
                  "lng" : 79.5775058802915
               },
               "southwest" : {
                  "lat" : 18.0021179197085,
                  "lng" : 79.57480791970849
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJ4TNY8Z1FMzoRNtaDKHQQ07A",
         "types" : [ "library", "point_of_interest", "establishment" ]
      },
      {
         "address_components" : [
            {
               "long_name" : "Andhra Pradesh Road Transport Authority Office",
               "short_name" : "Andhra Pradesh Road Transport Authority Office",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "Sri Sai Nagar",
               "short_name" : "Sri Sai Nagar",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Telangana",
               "short_name" : "Telangana",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506002",
               "short_name" : "506002",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "Andhra Pradesh Road Transport Authority Office, Sri Sai Nagar, Warangal, Telangana 506002, India",
         "geometry" : {
            "location" : {
               "lat" : 17.9395155,
               "lng" : 79.59935399999999
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 17.9408644802915,
                  "lng" : 79.60070298029149
               },
               "southwest" : {
                  "lat" : 17.9381665197085,
                  "lng" : 79.59800501970848
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJt4f6A9xaMzoRrrQYMdXkn5g",
         "types" : [ "point_of_interest", "establishment" ]
      },
      {
         "address_components" : [
            {
               "long_name" : "Office of The Andhra Pradesh Education And Welfare Infrastructure Development Corporation",
               "short_name" : "Office of The Andhra Pradesh Education And Welfare Infrastructure Development Corporation",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "Warangal-Hyderabad Road",
               "short_name" : "Warangal-Hyderabad Rd",
               "types" : [ "route" ]
            },
            {
               "long_name" : "Revenue Colony",
               "short_name" : "Revenue Colony",
               "types" : [ "sublocality_level_2", "sublocality", "political" ]
            },
            {
               "long_name" : "Subedari",
               "short_name" : "Subedari",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Hanamkonda",
               "short_name" : "HNK",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Telangana",
               "short_name" : "Telangana",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506001",
               "short_name" : "506001",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "Office of The Andhra Pradesh Education And Welfare Infrastructure Development Corporation, Warangal-Hyderabad Road, Revenue Colony, Subedari, Hanamkonda, Telangana 506001, India",
         "geometry" : {
            "location" : {
               "lat" : 17.9932458,
               "lng" : 79.54165189999999
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 17.9945947802915,
                  "lng" : 79.5430008802915
               },
               "southwest" : {
                  "lat" : 17.9918968197085,
                  "lng" : 79.54030291970849
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJ6zOUEZlPMzoRBtAYa7AEMWw",
         "types" : [ "point_of_interest", "establishment" ]
      },
      {
         "address_components" : [
            {
               "long_name" : "Warangal Public School",
               "short_name" : "Warangal Public School",
               "types" : [ "point_of_interest", "establishment" ]
            },
            {
               "long_name" : "Hunter Road",
               "short_name" : "Hunter Rd",
               "types" : [ "route" ]
            },
            {
               "long_name" : "Near Adalath Circle",
               "short_name" : "Near Adalath Circle",
               "types" : [ "neighborhood", "political" ]
            },
            {
               "long_name" : "Advocate Colony",
               "short_name" : "Advocate Colony",
               "types" : [ "sublocality_level_2", "sublocality", "political" ]
            },
            {
               "long_name" : "Nakkalagutta",
               "short_name" : "Nakkalagutta",
               "types" : [ "sublocality_level_1", "sublocality", "political" ]
            },
            {
               "long_name" : "Hanamkonda",
               "short_name" : "HNK",
               "types" : [ "locality", "political" ]
            },
            {
               "long_name" : "Warangal",
               "short_name" : "Warangal",
               "types" : [ "administrative_area_level_2", "political" ]
            },
            {
               "long_name" : "Andhra Pradesh",
               "short_name" : "Andhra Pradesh",
               "types" : [ "administrative_area_level_1", "political" ]
            },
            {
               "long_name" : "India",
               "short_name" : "IN",
               "types" : [ "country", "political" ]
            },
            {
               "long_name" : "506001",
               "short_name" : "506001",
               "types" : [ "postal_code" ]
            }
         ],
         "formatted_address" : "Warangal Public School, Hunter Road, Near Adalath Circle, Advocate Colony, Nakkalagutta, Hanamkonda, Andhra Pradesh 506001, India",
         "geometry" : {
            "location" : {
               "lat" : 17.9950937,
               "lng" : 79.55382349999999
            },
            "location_type" : "APPROXIMATE",
            "viewport" : {
               "northeast" : {
                  "lat" : 17.9964426802915,
                  "lng" : 79.5551724802915
               },
               "southwest" : {
                  "lat" : 17.9937447197085,
                  "lng" : 79.55247451970848
               }
            }
         },
         "partial_match" : true,
         "place_id" : "ChIJp1HTD4RPMzoR6azzkdMLekM",
         "types" : [ "point_of_interest", "establishment" ]
      }
   ],
   "status" : "OK"
}

This looks promising as an integration to loklak

@Orbiter
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Orbiter commented Apr 3, 2015

to become independent from Google and to improve performance of location search it could be possible to integrate a loklak-internal location database, based on a dbpedia dump from http://data.dws.informatik.uni-mannheim.de/dbpedia/2014/en/geo_coordinates_en.ttl.bz2

@Orbiter
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Orbiter commented Jun 25, 2015

this feature has been implemented loklak/loklak_server@4501c7b without any outside service. The location database is integrated in loklak and taken from the GeoNames file http://download.geonames.org/export/dump/cities1000.zip

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