- 85 flagged bots
- 100~ administrators (sysops)
- 4 bureaucrats
- 2 oversighters
- 37+ task forces
- database is 106.6GB (as of 08/01/13)
"Q2": {
"id": "Q2",
"type": "item",
"aliases": {
"en": [
{
"language": "en",
"value": "alias1"
},
{
"language": "en",
"value": "alias2"
}
]
},
"labels": {
"en": {
"language": "en",
"value": "I am a label"
}
},
"descriptions": {
"en": {
"language": "en",
"value": "I am a description!"
}
},
"claims": {
"P5": [
{
"id": "Q2$0457f6a4-45b3-46db-cecf-1933df515bb7",
"mainsnak": {
"snaktype": "value",
"property": "P5",
"datavalue": {
"value": {
"time": "+00000002013-06-12T00:00:00Z",
"timezone": 0,
"before": 0,
"after": 0,
"precision": 11,
"calendarmodel": "http://www.wikidata.org/entity/Q1985727"
},
"type": "time"
}
},
"type": "statement",
"rank": "normal"
}
]
},
"sitelinks": {
"enwiki": {
"site": "enwiki",
"title": "User:Addshore"
}
}
}
The Basics
https://wikidata.org/wiki/Q7999857
Wikidata is a free, collaborative, multilingual, structured knowledge base that can be read and edited by humans and machines alike.
Terms
Entities, Items, Properties and Queries
- Namespaces - Items (main space), properties (Property:) , queries (Query:)
- Entity - Every entity is identified by a unique entity Id such a Q42 or P10
- It is also identified by a unique combination of label and description per language
- Item - A page that represents a real-life topic, concept, or subject
- Property - The descriptor for a data value using a data type
Language Attributes
- Language Attributes - Language specific labels, descriptions and aliases that are assigned to entities
- Label - Primary means to distinguish entries
- Description - Provides context for the label
- Aliases - Alternate names that can be used for lookup the same way as labels
Claims and Statements
- Value - (or datavalues) the information pieces embedded in each claim
- NoValue - a marker when there is no known value
- UnknownValue - a marker when there is some value but the exact value is not known
- Qualifier - part of the claim that says something about the specific claim, often in a descriptive way
- Rank - a quality factor used for simple selection/filtering in cases where there are many statements for a given property
- Reference - describes the origin of a statement in Wikidata
Sitelinks
- Sitelink - an identification of a linked page or article on another Wikimedia site such as a Wikipedia language version
- Consists of a site identifier (e.g. "dewiki") and a title (e.g. "Berlin")
Community Overview
How is this all used?
Useful Places
15,000,000+
Wikidata Map
http://tools.wmflabs.org/wikidata-analysis/map
http://goo.gl/oCQsmB
The Wiki Atlas
http://4thmain.github.io/projects/hacks/wiki-atlas.html
Geneawiki
https://toolserver.org/~magnus/ts2/geneawiki/
Learn about the basics of Wikidata:
Wikidata:Introduction
Find answer to frequently asked questions:
Wikidata:FAQ
Chat with other community members:
Wikidata:Project chat
Read the latest news around Wikidata:
Wikidata:News
Get a weekly summary of what is happening:
Wikidata:Status updates
Find out about gadgets and tools:
Wikidata:Tools
editentity
Serialized entity form
getentities
action=wbeditentity *
API module to create a single new Wikibase entity and modify it with serialised information.
- id
- site
- title
- baserevid
- summary
- token
- bot
- data
- clear
- new
Example
- api.php?action=wbeditentity&new=item&data={"labels":{"de":{"language":"de","value":"Berlin"},"en":{"language":"en","value":"Berlin"}}}
action=wbgetentities *
API module to get the data for multiple Wikibase entities.
- ids
- sites
- titles
- props
- sort
- dir
- languages
- languagefallback
- normalize
Examples
- api.php?action=wbgetentities&ids=Q42
- api.php?action=wbgetentities&ids=Q42|P17
- api.php?action=wbgetentities&sites=enwiki&titles=Berlin
Getting used to Wikidata
Goto:
https://en.wikipedia.org/wiki/Special:UnconnectedPages
Find A Page!
Make an Item For It!
time to have a play!
- Head to the test site http://test.wikidata.org/
- Create some items http://test.wikidata.org/wiki/Special:NewItem
- Create some properties http://test.wikidata.org/wiki/Special:NewProperty
- Play with language attributes
- Play with claims and statements
test.wikidata properties:
CommonsName (P6), instance of (P7), Coordinate (P10), Date of birth (P18), URL (P20)
also see the wikidata sandbox! https://www.wikidata.org/wiki/Q4115189