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Yahoo! GeoPlanet

Exploring Places (without Maps)SHIBA SANKAR BEHERA

RAVENSHAW MANAGEMENT CENTRE, CUTTACK

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Intro

Yahoo! Geo Technologies overview

The issues in and around global geo data

GeoPlanet Web Service

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Yahoo! Geo Technologies

Expertise-Maps:

-global mapping platform and geospatial technologies

-User Location:

-technologies and platforms for detecting and managing user location

-Geo Informatics:

- global ontology of named places, geoparsing & geo-enrichment

Mission

-Collect the worlds geography as it is used by the worlds people-Make Location a core component of the entire Yahoo! experience

-Connect the web world with the real world

-Open up Geo Platforms

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Geo-Parsing

Geo Parsing

-Recognition, Identification, Disambiguation and Retrieval of

named places in text

Sounds easy, doesnt it?

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Geo Parsing more problems

OK, so what place do you mean?

-Colorado, Texas

- Oregon, Alaska

-Peru, Bolivia

-Peru, Argentina

- Washington, Nevada County, California

- Kansas, Delaware County, Oklahoma

- EastT

exas, Pennsylvania- East London, South Africa

- York, New York

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Springfielddoh!

Springfield, Illinois

Springfield, Massachusetts?

Springfield, Missouri?

Springfield, Vermont?

Springfield, Oregon?

One of the other 77 Springfields in the US?

Or one of the 35 otherSpringfields outside theUS?

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Things that are sent to test us

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Yahoo! GeoPlanet is a publicly available web service for managingnamed places around the globe in a consistent, language-neutral

way. It provides the geographic developer community with thevocabulary and grammar to traverse the world's geography,

facilitating the geo-enablement of applications relevant to users andtheir businesses, by providing a means to recognize, locate and

exploit geo-relevant data across the Web

http://where.yahooapis.com

Youll need a valid YDN app ID to use GeoPlanet

Overview

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REST API for geographic discovery and mining

Resource of over 6m named places in 21 languages

Permanent Identifiers

Global Coverage, Consistent Framework

Integrates with Flickr, FireEagle

Answers questions such as:

- What zipcodes are in the city of Chicago?

- How many Springfields are in the US?

Which is most likely to be the Springfield I mean?

- What is the unique ID (WOEID) for The Sydney Opera House

GeoPlanet ina Nutshell

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the WOEID

The Where on Earth identifier-assigned to every named place

-32-bit

-Unique

-Permanent

-Language neutral London = Londres = Londra =

-Non-Repetitive

-Never Recycled-Deprecations mapped to successor/replacement

Requests to the service using a deprecated WOEID are

served transparently.

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9408694089

95051

9505494085(child)

ZIP

WOEIDs WhereHaus: Global Geographic Ontology

Sunnyvale2502265

City

Santa Clara(parent)

County

California(ance tor)

State

Mountain View

Cupertino Lo Alto

Santa Clara

Santa Cruz San Mateo

Alameda

OregonArizona

Nevada

USA(ance tor)Country

Bay Area(belong to)Colloquial

Pacific State(belong to)

Colloquial

23424676

12587712

23424977

2

347563

2368994023689940

2351173823511738

2347596 2347587

2347561

24888532352559

2488142

2455920

2388327

2488836

1279753812797147

1279753512797150

2442043

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The GeoPlanet Hierarchy:

Continents Countries

Counties

Regions

Area Codes

Marketing

Neighborhoods

Zipcodes Custom

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The Thinking: Place-Based Logic

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The Resource: WhereHaus

WhereHausGlobal Locations Database

place names post codes administrative regions

telephone code areas

marketing areas

points of interest

colloquial areas neighbourhoods

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Place Resource

Usage:

Get information about a place

Template:

/v1/place/{woeid}

Examples:

/v1/place/1 Get information about the World

/v1/place/23424977 Get information about the USA

/v1/place/2487956 Get information about San Francisco

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Place Relationship Collections

Usage: Get information about places related to a place

Template:

/v1/place/{woeid}/{relation}

Relations

Parent 1stdegree containing entity

Children 1stdegree contained entities

Neighbors adjacent peer place types

Siblings peer place types sharing same parent

Belongtos collection of containing entities

Ancestors higher administrative hierarchy

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Some Examples

/v1/place/1/children.type(Country)

Get list of countries

/v1/place/2487956/parent

Get parent place of San Francisco

/v1/place/2487956/belongtos.type(Time+Zone)

Get Olson timezone name for San Francisco

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/v1/place/2347563/siblings;count=0

Get list of states (siblings of California)

/v1/place/23424977/children.type(State)

Get list of states (state children of United States)

/v1/place/12797497/neighbors

Get list of zip code adjacent to 94089

Some more Examples

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Places Collection

Usage:

Find places that match a place name, and optionally a place

type

Templates:

/v1/places.q({placename}[,{focus}])[;count={count}][;start={start}]

{placename}must be enclosed in single quotes if it contains

a comma

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Usage:

Find places that match a place name, and optionally a place

type

Templates:

/v1/places$and(.q({placename}[,{focus}]),.type(

{placetypes}))[;count={count}][;start={start}]

{placetypes} is a list of up to seven placetypes; each placetype

can be either a place type id (e.g.7) orplace type name (e.g.

Town)

Places Collection

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Place Type Names and Codes

http://where.yahooapis.com/v1/placetypes

Some examples- Continent 29

- Country 12

- Admin1 8

- Admin2 9

- Admin3 10

- Town 7

- Suburb 22

- Postal Code 11

- Supername 19

- Colloquial 24

- Time Zone 31

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Some Examples

/v1/places.q(Springfield) find most likely place named

Springfield

/v1/places.q(Springfield);count=0 find all places named

Springfield

/v1/places.q(Rome,Italy) find Rome, Italy (note quotes

around place name)

/v1/places.q(Roma,Italia) find Rome, Italy (using Italian

place name)

/v1/places$and(.q(Soho),.type(Suburb));count=0 find

suburbs named Soho

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Other Concepts

Representation

- The short- contains only the most essential information

- The long - includes additional elements

Language

- RFC4646

Positional Consistency- Centroid and Bounding Box

- Longitude/Latitude to WGS84 datum

Response Formats- xml=XML

- json=JSON

-geojson=GeoJSON

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References

YDN landing page http://developer.yahoo.com/geo

Documentation http://developer.yahoo.com/geo/guide

YDN Developer Reg http://developer.yahoo.com/ysregapp

GeoPlanet Forum -http://developer.yahoo.net/forum/index.php?showforum=31

Yahoo! Geo Technologies Blog - http://www.ygeoblog.com

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Questions

Martin Barnes Data Manager Yahoo! Geo Technologies UK- barnes@yahoo-inc.com

Gary Gale Head of UK Engineering - Yahoo! Geo Technologies

- garyg@

Walter Andrag Lead Engineer Yahoo! Geo Technologies UK

- walter@

Roman Kirillov SeniorEngineer Yahoo! Geo Technologies UK- kirillov@

Lots of knowledgeable YDN people (S. Major April 09)

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and Finally. The future.

We will be at Where2.0 in San Jose later this month

http://en.oreilly.com/where2009/

Watch out for more news from Geo Technologies!

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Happy Hacking

Hack DayHaiku

Give me your content

With love, I will geoparse

And return places