Wiki[mp]edia data sources &

the MediaWiki API

Brianna Laugher

for #melhackNovember 2009

...

Wikipedia13M articles total3M+ articles in English240+ languagesSimple English!

{{coord|37|48|49|S|144|57|47|E|type:city_region:AU-VIC|display=inline,title}}

stable.toolserver.org/geohack/wiki.toolserver.org/view/GeoHack

{{Infobox Company|name = Lonely Planet|logo =|type = [[United Kingdom|British]] [[Government-owned company|government-owned]] (subsidiary of [[BBC Worldwide]])|genre = [[Guide book|Travel guides]]|foundation = 1972|founder = Tony Wheeler<br />Maureen Wheeler|location_city = [[Footscray, Victoria]]|location_country = [[Australia]]|location = |origins = |key_people = Matt Goldberg <small>(Global [[CEO]])</small>|area_served = Worldwide|industry = [[Multi media]]|products = Travel [[guidebook, digital applications, online travel community]]|services =

Wikimedia Commonscommons.wikimedia.orgMultilingual5M+ files“Self-created”, PD, Flickr

Predominantly photographs,but also diagrams, maps, flags

Wiktionary5M+ entries170+ languages13 languages > 100K entries

French biggest at 1.5M(English second at 1.4M)

JavaScript Wiktionary lookup plugin for third parties:

http://bawolff.blogspot.com/2009/10/introducing-wiktionary-lookup-now-for.html

http://en.wiktionary.org/wiki/Wiktionary:Parsing

Users Logs Pages, subpages, talk pages Links, backlinks Templates Categories

MediaWiki structure

MediaWiki markup

The only thing that completely understands it is MediaWiki :(

XML

download.wikimedia.org OR Amazon Public Data Sets

meta.wikimedia.org/wiki/Data_dumps

Database dumps

DBpediaCommunity project extracting structured data from Wikipedia and making it available

Can download data sets or query them online

Ontology++

e.g. dbpedia.org/page/Lonely_Planet

MediaWiki API

mediawiki.org/wiki/API

en.wikipedia.org/w/api.php

Client libraries!

mwclient

Python library for accessing MediaWiki APIs

toolserver.org

Server for community-developed plugins, addons, extensions, stats and hacks – tools

Tools often explicitly implements implicit editing community standards (“community API”)

Toolserver

TemplateTigertoolserver.org/~kolossos/templatetiger/

For a few dozen Wikipedia languages, & Wikimedia Commons

Lets you query templates very much like SQL

identi.ca/pfctdayelise blaugher@wikimedia.org.au

Thanks!

Logos and screenshots may be copyright their respective ownersSlides are otherwise © Brianna Laugher