Location Based Services

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Location Based Services (commonly abbreviated as LBS) are services which make use of geographical and temporal information related to a user's location at a given point in time. They may also change or adapt, based on the user's location of the user over time.

Types of LBS


Bluetooth Low Energy (BLE) Beacons are small devices designed to automatically pair with passing Mobile Devices in order to detect the precise location within a much smaller sub-network within a larger WAN, LAN or MAN.


Contact Tracing

[4] [5] [6] [7] [8] [9] [10]


Store Locator





  • Turf.js: http://turfjs.org/ (advanced geospatial analysis for browsers and Node.js)
  • PostGIS: http://postgis.net/ (geospatial DB extender for PostgreSQL object-relational database, adding support for geographic objects allowing location queries to be run in SQL)
  • CartoDB: https://carto.com (turn Location Data into Business Outcomes)


External Links


  1. Shining a Swift Light on iBeacons: https://dzone.com/articles/shining-a-swift-light-on-ibeacons
  2. Google Launches Eddystone, a New Open Beacon Standard: http://www.mediapost.com/publications/article/253985/google-launches-eddystone-a-new-open-beacon-stand.html
  3. Why Android Nearby, iBeacons, and Eddystone failed to gain traction: https://venturebeat.com/2018/10/27/why-android-nearby-ibeacons-and-eddystone-failed-to-gain-traction/
  4. Some basic points on Contact Tracing apps: https://medium.com/swlh/some-basic-points-on-contact-tracing-apps-7dc4df1442f2
  5. What Is Contact Tracing? Here's How It Could Be Used to Help Fight Coronavirus: https://time.com/5825140/what-is-contact-tracing-coronavirus/
  6. Apple, Google "COVID-19 Tracing" technology integrates into Mobile Operating Systems: http:/www.mediapost.com/publications/article/349980/apple-google-covid-19-tracing-technology-integrat.html
  7. Singapore launches contact tracing mobile app to track coronavirus infections: https://www.reuters.com/article/us-health-coronavirus-singapore-technolo-idUSKBN2171ZQ
  8. Singapore says it will make its contact tracing tech (Bluetrace) freely available to developers: https://www.cnbc.com/2020/03/25/coronavirus-singapore-to-make-contact-tracing-tech-open-source.html
  9. Singapore develops, shares coronavirus contact tracing app: https://www.rappler.com/technology/news/255664-singapore-develops-coronavirus-contact-tracing-app
  10. Coronavirus -- UK contact-tracing app 'ready in two to three weeks': https://www.bbc.com/news/technology-52458759
  11. ZipCar locations: https://www.rydely.com/zipcar-locations/
  12. How to Turn Waze Into the Ultimate Navigation App: https://lifehacker.com/how-to-turn-waze-into-the-ultimate-navigation-app-1740833171
  13. Individual listing of Zip Code ranges (by location): http://www.zipmaps.net/zips/index.htm
  14. Zip Code Map (from ZipCodeGuy.com): http://www.zipcodeguy.com/
  15. Street Suffix Abbreviations: http://pe.usps.gov/text/pub28/28apc_002.htm
  16. wikipedia: Types of road
  17. wikipedia: List of road types by features
  18. wikipedia: ZIP Code
  19. FedEx Postal Code formats: http://www.fedex.com/be/shippingguide/postalcodeformat.html
  20. Is D3 a New Web Mapping Tool?: https://hicsuntdra.co/blog/is-d3-a-new-web-mapping-tool/
  21. Making a Map in D3.js v.5: http://datawanderings.com/2018/10/28/making-a-map-in-d3-js-v-5/
  22. Spinning globe with glowing city markers in D3: bl.ocks.org/PatrickStotz/1f19b3e4cb848100ffd7
  23. A Google Maps Store Locator in Only Javascript: http://www.bjornblog.com/web/a-google-maps-store-locator-in-only-javascript
  24. Finding a set of coordinates within a certain range from latitude and longitide: http://stackoverflow.com/questions/3552334/finding-a-set-of-coordinates-within-a-certain-range-from-latitude-and-longitide
  25. Visualizing 10 Million GeoNames with Leaflet and Solr Heatmap Facets: https://www.jack-reed.com/2015/06/29/visualizing-10-million-geonames-with-leaflet-solr-heatmap-facets.html

See Also

GPS | GeoIP | BT | BLE | Wireless Sensor Network | Privacy | Image Recognition | Metadata