What is Wikidata used for?
What is Wikidata used for?
Wikidata is a free linked database that acts as central storage for the structured data of Wikimedia projects including Wikipedia, Wikivoyage, Wikisource, and others. It can be read and edited by both humans and machines.
How many items are in Wikidata?
98,007,580 items
Wikidata currently contains 98,007,580 items.
What is a Wikidata Qid?
QID (or Q number) is the unique identifier of a data item on Wikidata, comprising the letter “Q” followed by one or more digits.
How is Wikidata made?
WikiData pages are automatically created when a Wikipedia page is published, but a WikiData page can also be setup manually. Studies have shown that Wikipedia content ranks for 99% of Google searches, but WikiData is used by search engines to better understand the subject, be it a person, company, brand or concept.
How does Wikidata store data?
Wikidata uses unique identifiers, or uniform resource identifiers (URIs), for all its items as per linked data standards. While Wikidata uses a unique data model, its content can be exported in RDF, a widely used and standard format for linked data.
Who made Wikidata?
Wikimedia Foundation
Wikidata
| Screenshot Main page of Wikidata in April 2021 | |
|---|---|
| Available in | Multiple languages |
| Owner | Wikimedia Foundation |
| Editor | Wikimedia community |
| URL | www.wikidata.org |
How many triples are in Wikidata?
12,500,000,000 triples
Data Facts
| Total size | 12,500,000,000 triples |
|---|---|
| Links to sandrart-net | 5,172 triples |
| Links to thesesfr | 4,370 triples |
| Links to msc | 210 triples |
| Links to iptc-newscodes | 782 triples |
Is Wikidata free?
Wikidata’s description explains that “Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.” Wikidata functions as the central database for a variety of Wiki projects, including Wikipedia, Wiktionary, and Wikisource, among others.
What is a claim in Wikidata?
Claim is a piece of data about the entity on the page the claim appears. A claim consists of a property (such as location (P276)) and either a value (e.g., Germany (Q183)) or one of the special cases “no value” and “unknown value”.
How do I find my Wikidata ID?
Finding a Wikidata ID
- Wikidata Search. Search on the Wikidata homepage: www.wikidata.org. Now you can copy the id from that page.
- Wikipedia search. Find a wikipedia article. If the article has a corresponding Wikidata item, you can click the “Wikidata item” button on the side menu. (
- Editor integration. iD.
How do I add data to Wikidata?
The basic process is:
- Contact the Wikidata community describing what data you have and would like to include in Wikidata.
- Decide with the Wikidata community what data is suitable to import.
- Work with the Wikidata community to import the data.
- Keep the data up to date or share the resources needed for others to do so.
Is Wikidata linked data?
Wikidata, like its sister organization Wikipedia, is a linked data repository that’s free and open to the community at large to edit, copy, use and re-use.
Does Alexa use Wikidata?
Virtual assistants do their jobs better thanks to Wikidata, which aims to (eventually) represent everything in the universe in a way computers can understand.
How do I get data from wikidata?
You can query the data in Wikidata through our SPARQL endpoint, the Wikidata Query Service. The service can be used both as an interactive web interface, or programmatically by submitting GET or POST requests to https://query.wikidata.org/sparql .
Is Wikidata an ontology?
Wikidata as a large-scale semantic framework. In October 2012, Wikidata (www.wikidata.org) was created as an open, free, easily editable, ontological and collaborative semantic MediaWiki-based2 knowledge-base to support Wikipedia [71], [69].
Is wikidata an ontology?
What is the difference between DBpedia and Wikidata?
As fundamental differences between both projects, we can highlight that Wikidata has an open centralised nature, whereas DBpedia is more popular in the Semantic Web and the Linked Open Data communities and depends on the different linguistic editions of Wikipedia.
How do I get data from Wikidata?
How do I upload an image to Wikidata?
Go to the WikiData entry that you’re interested in.
- Look under Statements where you’ll see a list of different boxes with different items of information.
- In the box marked ‘property’, enter ‘image’ or ‘P18’ which is the number code for images.
What is Alexa ranking Wikipedia?
A key metric published from Alexa Internet analytics was the Alexa Traffic Rank, also simply known as Alexa Rank. It was also referred to as Global Rank by Alexa Internet and was designed to be an estimate of a website’s popularity.
What is Wikidata and is it like Wikipedia?
For those who are familiar with Wikipedia, it may be tempting to initially think of items as like the Wikidata version of Wikipedia articles. While items and articles are both pages for storing information about different concepts or topics of human knowledge, it’s important to keep in mind that Wikidata is not just a database of Wikipedia content.
What are items in Wikidata?
The Wikidata repository consists mainly of items, each one having a label, a description and any number of aliases. Items are uniquely identified by a Q followed by a number, such as Douglas Adams (Q42). Statements describe detailed characteristics of an Item and consist of a property and a value.
What is a wikidatastatement?
Statements are how any information known about an item is recorded in Wikidata. Formally, they consist of key–value pairs, which match a property (such as “author”, or “publication date”) with one or more entity values (such as ” Sir Arthur Conan Doyle ” or “1902”).
What are the data types in Wikidata?
On 4 February 2013, statements were introduced to Wikidata entries. The possible values for properties were initially limited to two data types (items and images on Wikimedia Commons), with more data types (such as coordinates and dates) to follow later. The first new type, string, was deployed on 6 March.