Addressing Addresses Sarah Hoffmann lonvia@denofr.de 28th July - - PowerPoint PPT Presentation

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Addressing Addresses Sarah Hoffmann lonvia@denofr.de 28th July - - PowerPoint PPT Presentation

Jul 22, 2023 367 likes •819 views

Introduction Postal Addresses OSM Tagging Making Sense of the Data Addressing Addresses Sarah Hoffmann lonvia@denofr.de 28th July 2018 State of the Map 2018 Milano Introduction Postal Addresses OSM Tagging Making Sense of the Data

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Addressing Addresses

Sarah Hoffmann lonvia@denofr.de

28th July 2018

State of the Map 2018 Milano

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Introduction

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Addresses

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Addresses

Address

Place where a person can be communicated with.

(Marriam Webster)

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Addresses

Location description

Textual description of a geographic location.

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Example: location of a fountain

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Background

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses

  • made for human use (aka offline)
  • well-known points of reference
  • hierarchic structure
  • coverage
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses

  • made for human use (aka offline)
  • well-known points of reference
  • hierarchic structure
  • coverage
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses

  • made for human use (aka offline)
  • well-known points of reference
  • hierarchic structure
  • coverage
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses

  • made for human use (aka offline)
  • well-known points of reference
  • hierarchic structure
  • coverage
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

OSM Tagging

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Postal Addresses in OSM

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Objects with addr:* tags per country

  • ca. 84 million objects
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Address base

addr:housenumber 80 million addr:housename 340.000

  • addr:conscription number, addr:street number, addr:provisional number
  • addr:interpolation
  • addr:flat, addr:unit
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Number point of reference

addr:street 70 million addr:place 7.4 million

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Japanese Addresses

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Address hierarchy

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Administrative boundaries

+

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

admin level

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

admin level

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

admin level

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

admin level

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

admin levels - Europe

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Fun with Administrations: US

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Fun with Administrations: Germany

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

If it’s worth doing...

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

If it’s worth doing...

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

If it’s worth doing...

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Place nodes

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Places - Admin values

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Places - Admin values

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Counties, districts, municipalities

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Counties, districts, municipalities

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Cities, towns, villages

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Making Sense of the Data

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

How to do an Address

  • 1. addr:* tags
  • sort appropriately

All expected parts there? Done!

  • 2. Administrative boundaries
  • sort by admin level, remove less well-known levels
  • assign type (country, state, county, ...)

All expected parts there? Done!

  • 3. Nearby place nodes
  • remove nodes already covered by boundaries
  • sort remaining nodes by hierarchy and use closest node of each level
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

How to do an Address

  • 1. addr:* tags
  • sort appropriately

All expected parts there? Done!

  • 2. Administrative boundaries
  • sort by admin level, remove less well-known levels
  • assign type (country, state, county, ...)

All expected parts there? Done!

  • 3. Nearby place nodes
  • remove nodes already covered by boundaries
  • sort remaining nodes by hierarchy and use closest node of each level
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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Tagging addresses

Mandatory tagging

  • addr:housenumber, addr:housename
  • addr:street or addr:place (not both)

Optional tagging

  • other address parts
  • addr: is not is in

Does not fit your local addresses? Invent and document.

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Hierarchies, hierarchies, hierarchies

admin levels

  • well-known vs. governmental-only

Tag relationships

  • admin level
  • place
  • addr:*

Place types

  • hierarchy

Per Country

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Introduction Postal Addresses OSM Tagging Making Sense of the Data

Example: Japan

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Let’s talk

lonvia@denofr.de

https://nominatim.org