Wikidata:Ordbok

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Elements of a statement, from item Q42

Wikidata tilby ein kunnskapsbase som alle kan redigere. I denne artikkelen vil vi forbetre diskusjon og kommunikasjon om prosjektet ved å definere viktig terminologi. Det er fleire viktige fordelar om vi kan bruke konsistent terminologi i prosjektet.

Glossary
Alias (also also known as) is an alternative name for an item or property. The usual or most important name is the label. Aliases help people to find an item even if they don’t search with the label. For example, the item Q2 has the label “Earth” and aliases such as “Tellus” and “Blue Planet”. It's a type of term.
Help:Aliases
Article placeholder is an extension to display stub articles and to start Wikipedia articles based on a view of Wikidata items. See mw:Extension:ArticlePlaceholder.
Badges are optional markers that can be attached to a sitelink to another Wikimedia page. For instance a sitelink can be marked to link to a "featured article" and/or to a "proofread" page.
Help:Badges
Category item, template item and module item are Wikidata items with sitelinks to (Wikipedia) categories, templates or modules, respectively. This is their main (sometimes only) purpose. When the last sitelink is deleted, these items are generally deleted (see Wikidata:Database reports/to delete).
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". A claim can have qualifiers, such as temporal qualifiers saying that the claim is valid within a specific time frame. Compared to triples in the RDF data model, a claim uses a property to express the predicate of a triplet and a value to express the object of a triplet. Claims form part of statements on item pages, where they can be augmented with references and ranks; they can also occur on non-item data pages.
Commons (or Wikimedia Commons) is a Wikimedia project to store images, audio, video and other files. Wikibase includes three different datatypes to link from Wikidata to media files, geographic shapes and tabular data. Commons is adding statements to files as mediaentities.
Completeness is an assessment of available data with a measure for coverage. At Wikidata the presence of an item or statement does not imply that all similar items or statements are present. Wikibase does not include any completeness indicator. Quantity properties can be used to compare with available statements or items. Sample: the item about states of the USA has a statement with quantity 50. One can compare that with the count of uses of the item. A few tools attempt to measure completeness. To some extent, property suggester and suggestion constraints indicate elements missing to complete items.
Complex constraint (or custom constraint) is a constraint defined by a freely chosen SPARQL query in a template on a property talk page.
Template:Complex constraint
Conflation is a type of error, usually on an item, where aspects of several distinct concepts are mixed together. For example, an item with the date of birth of one person and the occupation of another person with the same name.
Help:Conflation of two people
Constraint is a rule for how a particular property should be used. For instance most identifiers should have only one value, so there is a single value constraint on them. A special kind are called complex constraints.
Help:Constraints
Constraint report can refer to a series of periodically updated pages for each property based on constraints or a special page for an individual item or other entity.
Wikidata:Database_reports/Constraint_violations
Cradle is an editing tool to create new Wikidata items based on a form with predefined properties and values.
Wikidata:Cradle
Datatype (or propertyType) is an attribute of a property specifying the type and shape of the value in each claim. Each property is assigned a pre-defined datatype, which usually can not be changed. Not all values can be linked, as long as there are certain datatypes missing. Data types can only be defined by developers; the development of new datatypes is still in progress. See also Special:ListDatatypes for currently available datatypes. Data type does not directly specify how values are stored internally; this is specified by value type.
Help:Data type
Date (or time or timeValue) is a datatype for property values. It allows to enter dates in different precisions and enables date calculations in queries. Hour or minute precision isn't supported. The Wikidata property for the date of foundation has such values.
Help:Dates
Description is a language-specific descriptive phrase for an item, property or query. It provides context for the label (for example, there are many items about places with the label "Cambridge"). The description therefore does not need to be unique, neither within a language or Wikidata in general, but it must be unique together with the label. Uniqueness for a combination of a label and a description is strictly enforced. If your contribution does not meet this requirement you cannot save the change. It's a type of term.
Help:Description
Disambiguation item is a Wikidata item with sitelinks to disambiguation pages. This is its only purpose. Generally, it has a claim with instance of (P31)=Wikimedia disambiguation page (Q4167410).
Wikidata:WikiProject Disambiguation pages
Duplicate is an entity, generally an item, about the same concept as another entity/item. Duplicates are usually merged creating a redirecting entity. Special types of duplicates are temporary duplicates, permanent duplicates, and true duplicates.
Editing interface is a view that allows to add or modify data. These views are the default view, the Commons structured data interface, Wikidata bridge, and a series of api-based tools, notably QuickStatements, Cradle, PetScan, OpenRefine or the pyBot framework.

Entitet (entity) er datainnhaldet i ei Wikidata-side, som anten kan vere eit element i hovudnamnerommet, ein eigenskap i egenskapnamnerommet eller ei spørring i spørringnamnerommet. Kvar entitet er identifisert av ein entitet-ID, som er samansett av eit prefiks og eit nummer, til dømes startar entitet-ID med Q-prefikset for eit element, og P-prefikset for ein eigenskap og U-prefikset for ei spørring. Ein entitet er òg identifisert av ein unik kombinasjon av etikett og skildring på kvart språk. Entitet kan òg tildelast eit sett av alternative fleirspråklege alias. (I ontologiar og bibliotekkatalogar som blir brukte som referanse for Wikidata, er ein entitet vanlegvis eit konkret tema eller emne, eller databaserepresentasjonen for dette, og tilsvarar i den samanhengen til det som i Wikidata er kalla eit element.)

Other extensions may define new types of entities. For example:

Entity selector allows to pick an entity from a selection generated after typing part of its name. This is based on label and aliases. Usually the description is displayed. Sample: type "human" to pick Q1156970 from "human (Q5) common name of Homo sapiens", "humanity (Q1156970) total world population of human", etc. This is different from the Property Suggester.
Help:Suggesters and selectors
EntitySchema is a special type of Wikidata page containing a document in ShEx format, and related metadata. Although it may have labels, descriptions and aliases similar to items, it is not a type of entity, nor powered by Wikibase. Entities may be validated against an EntitySchema using a tool.
External identifier Some properties have values that are strings used in the databases of external organisations. They uniquely identify an item (although the uniqueness is not enforced by software, but controlled by constraint). For example, an ISBN for a book or the unique part of the URL of a movie or an actor in the Internet Movie Database.
Federation query is a query through a service available on Query Server allowing to access databases other than Wikidata.
Wikidata:SPARQL federation input
Form refers to specific strings of characters that occur in the different grammatical contexts for a lexeme. Forms are identified on each lexeme by the Lexeme ID followed by a dash, the letter "F" and a number. Forms may have statements just as other entities do; they are also assigned "grammatical features" such as "plural" for Form L1298-F2 ("forms").
Wikidata:Lexicographical data/Glossary
Historic information is included by qualifying it with a date. If information is no longer current, date qualifiers are added instead of statements overwritten. Historic information is different from incorrect information
Human (or instance of human) is a Wikidata item about a person or an individual. It has a claim with instance of (P31)=human (Q5).
Incorrect information is a claim supported by a reference, but generally considered invalid or inaccurate. While Wikipedia generally excludes such information, Wikidata's deprecated rank allows to flag such statements. This avoids that it's deleted and erroneously re-added as valid information. Incorrect information is different from historic information
Instance, subclass or part (also class or type) are used on Wikidata to refer to Property:P31, Property:P279, Property:P527 and few related properties, their values, or items using them.
Help:Basic membership properties
Element (item, òg dataelement) er ei side i Wikidata hovudnamnerommet som representerer eit konkret tema, konsept eller emne. Element er identifisert av eit prefiks og eit nummer, eller ved ein sitelink til ei ekstern side, eller av ein unik kombinasjon av fleirspråkleg etikett og skildring. Element kan òg ha alias for å lette oppslag. Hovuddataområdet for eit element er lista over utsegn om elementet. Eit element kan sjåast som emnedelen av ein trippel i kopla data.
Help:Items
Item identifier: see QID below.
Label (also name) is the main name given to identify an entity (i.e. an item or a property). E.g.: the item with the item identifier Q7378 has the English label “elephant”. Every entity has exactly one label in a given human language. Labels do not need to be unique. Descriptions and aliases are used to distinguish between entities with the same label. Wikidata pages do not have labels, but titles. It's a type of term.
Help:Labels
Lag or database lag at Wikidata is a delay in the update of data on other projects or Query Server.
Språkattributtar er språkspesifikke merkelappar og skildringar som er knytt til datasett. Desse skal vare lesbare og forenkle tolkinga av omfanget til datasettet, det vil si typen av entitet.
Language code is an identifier for the language of a label, description, alias, or monolingual text value. The language codes for label, description, alias are shared with other Wikimedia projects. More codes for the monolingual text are defined specifically for Wikidata. Lexemes use some of these and/or additional codes or items to identify the language in lemma, glos, form. A language code is also assigned to sitelinks. Codes are mostly IETF language tag-based.
Help:Monolingual text languages
Language fallbacks (also language chains) are methods to systematically replace missing language attributes with strings from alternate languages. The exact replacement rules can be chosen depending on the type of page, whether the user is logged in, or the user preferred languages.
Lexeme is an entity of Lexicographical data. It contains sense and form sub-entities, but no sitelinks. Instead of a label, alias and description, lexeme entities have one or several lemma, a language and a lexical category.
Wikidata:Lexicographical data/Glossary
LID (or L number) The identifier for a lexeme entity in Wikidata, comprising the letter "L" followed by one or more digits.
Listeria (or Wikidata list) is a tool to create to view data from Wikidata in list form at Wikimedia projects. Data is periodically updated by bot.
Template:Wikidata list
Mainspace is one of the namespaces in a wiki. Namespaces in Wikidata other than the mainspace have prefixes. In Wikidata, the mainspace contains the pages with the items.
Help:Namespaces
Mediawiki er programvara som køyrer på nettstader slik som Wikipedia og Wikimedia Commons. Sjå MediaWiki.
MediaInfo is a type of entity used to describe files. It's activated on Wikimedia Commons.
Meta pages These are all pages that are not entities, i.e. do not belong to the data namespaces. Wikidata meta pages contain unstructured content represented by conventional MediaWiki code, and perhaps also future Wikidata client side inclusion code. Examples are talk pages, category pages, project pages (in the Wikidata namespace) and help pages (in the help namespace). Meta pages also comprise content and data automatically generated by the MediaWiki software (for example, the edit history of a page, or special pages).
Name item is a Wikidata item about a given name or a family name. Such items are used as values for given name (P735) or family name (P734) and can include additional information and sitelinks.
Wikidata:WikiProject Names
Namespaces are a kind of category for pages in a wiki. For each namespace you may have different rules about the pages and their content. In Wikidata, the most important namespace (or ‘main namespace’) is for the Wikidata items. The URL a Wikidata mainspace page ends on a Q with a number, for example Q7378 for “Elephant”. The pages in other namespaces start with the namespace name, the ‘prefix’, for example. For example, Help pages with help: Help:Contents.
Help:Namespaces
Side betyr ei side eller artikkel i ein wiki. I Wikidata vil det bli sider i andre namnerom (akkurat som på Wikipedia). Sider i hovudrommet på Wikidata vil bli om datasetta.
Project is a term often used in the Wikimedia movement to refer to a Wikimedia wiki. In Wikidata, the term usually refers to Wikidata itself.
Property (also attribute) describes the data value of a statement and can be thought of as a category of data, for example "color" for the data value "blue". Properties, when paired with values, form a statement in Wikidata. Properties are also used in qualifiers. Properties have their own pages on Wikidata and are connected to items, resulting in a linked data structure.
Help:Properties
Property suggester provides a preselection of properties when adding statements to Wikidata items. These are based on the frequency of the properties on similar items. Sample: on an item with instance of (P31)=human (Q5) only, suggestions could be sex or gender (P21), occupation (P106), date of birth (P569). These may or may not be appropriate for the specific item. This is different from entity selector and suggestion constraints.
Help:Suggesters and selectors
Order of statements is generally determined by the view being used and not significant. Many views display data retrieved or entered first before other. Some views sort or allow to sort statements based on qualifier value, statement value, property, or datatype.
QID (or Q number) is the unique identifier of a data item on Wikidata, comprising the letter "Q" followed by one or more digits. It is used to help people and machines understand the difference between items with the same or similar names e.g there are several places in the world called London and many people called James Smith. This number appears next to the name at the top of each Wikidata item.
Qualifier is a part of the claim that says something about the specific claim, often in a descriptive way. A qualifier might be a term according to a specific vocabulary but can also be a variant descriptive phrase (whether those terms or phrases are free text or part of some vocabulary would probably be up to the Wikidata community).
Help:Qualifiers
Quantity (incorrectly number) is a datatype for property values. It allows to enter integers or decimal numbers. Optionally a unit or a bound can be included. The Wikidata property for population has such values. Numeric identifiers are not quantities, but external identifiers.
Help:Data type#Quantity
Query is a search across items in Wikidata and their associated data. Queries are usually executed on the Wikidata Query Service using the SPARQL query language.
Wikidata:SPARQL query service/Wikidata Query Help
QuickStatements (QS) is a third-party tool that can edit Wikidata items, based on a simple set of text commands. The tool can add and remove statements, labels, descriptions, and aliases; as well as add statements with optional qualifiers and sources.
Help:QuickStatements
Rank is a quality factor used for simple selection/filtering in cases where there are several statements for a given property. In such cases, you may want to indicate which statement is more important or relevant than other statements. By default, a statement has the rank "normal", but you can change this to either "preferred" or "deprecated". "deprecated" rank can be used for statements supported by a reference, but considered incorrect.
Help:Ranking
Redirecting entity (or redirect) is an item or a lexeme that redirects to another item or lexeme (target). As in many uses these would need to be queried specifically, a bot usually replaces redirects used as values with their target.
Help:Redirects
Referanse (eller referanse, litteraturhenvising og kjelde) beskriver opphavet til eit utsegn i Wikidata. Kjelder er ofte datasett i seg sjøl, for eksempel ei bok. Wikidata vil ikkje gjera noko forsøk på å gi svar på om eit utsegn er riktig eller ikkje, men kun gi ei referanse. Kva som vil vara ei gyldig referanse er antatt å bli gjenstand for debatt blant Wikidata-skribentar.
Help:Sources
Repurposing is changing the definition or scope of an entity, in general an item, by editing its statements, label and/or description. Generally to be avoided.
Sandbox or sandbox items are series of items, properties and other entities at Wikidata to test features within the Wikidata live database. Samples: item Q4115189, Property:P369, EntitySchema:E123, Lexeme:L123.
Sense refers to a specific meaning for a lexeme. Senses are identified on each lexeme by the Lexeme ID followed by a dash, the letter "S" and a number. Senses may have statements just as other entities do. They also allow a "gloss": a free-form description of the meaning (one per language).
Wikidata:Lexicographical data/Glossary
Site is a reference to an external website in general, but in sitelinks it refers to specific registered wikis, for example a Wikipedia language version. Those sites are referenced by global site identifiers or for short siteid, technically corresponding to the wiki's DBname. For example the Latin Wikipedia's siteid is lawiki. Each external page can have only one link registered in Wikidata and one item can only have one link to each external site.
Nettstedlekkjer er spesielle lekkjer som inneheld eit\n nettstad og ein tittel, og går frå individuelle datasett i Wikidata og til sider på andre nettstader, for eksempel på Wikipedia. Dei er brukt både for å identifisere eit datasett frå ein ekstern nettstad, og som ein erstatning for språklekkjer. Nettstadlekkjer kan og ha tilknytte merke og dei vil då vanleg vise at ei side er utvald artikkel eller tilsvarande.
Help:Sitelinks
Sitelinks between Wiktionary editions are generally not provided through Wikidata, but another function.
Wikidata:Wiktionary/Sitelinks
Snak is a technical term of Wikibase software which data users are most likely to encounter when accessing Wikidata through the MediaWiki API. It refers to the combination of a property and either a value or one of the special cases "no value" and "unknown value". Snaks can be found in claims (then they are called main snaks) or in qualifiers as part of statements (then they are called qualifier snaks). E.g., in the statement "Emma Watson was a cast member of Harry Potter and the Philosopher's Stone in the role of Hermione Granger" there is a main snak "was a cast member of Harry Potter and the Philosopher's Stone" and a qualifier snak "in the role of Hermione Granger".
Utsegn (også kalla fakta, påstand, argument og trippel, men det siste er ikkje heilt riktig) er ein bit data frå eit datasett, som er tatt vare på inne på ei side. I det enklaste tilfellet er eit utsegn eit par av ein eigenskap og ein verdi (for eksempel «Stad: Tyskland»), men ofte har eit utsegn ytterligare kvalifisering (slik som mellombels kvalifisering). Sjå Data modellen. Legg merke til at Wikidata ikkje gjer noko anslag om korrektheita (sanninga) til eit utsegn, påstandane samlast bare inn og rapporterast vidare med ein referanse til kildea.
Help:Statements
String (also character string) is a general term for a sequence of freely chosen characters interpreted as text (e.g. "Hello") — as opposed to a value interpreted as a numerical value (3.14), a link to an item (e.g. [[Q1234]]) or a more complex datatype (the set {1,3,5,7} ). Wikidata will in addition to a string datatype support language specific texts; "monolingual-text" and "multilingual-text" as the value of a property.
Subject, predicate and object are terms sometimes used to describe a claim when viewing entity, property and value as a triple.
Suggestion constraint is a status of a property constraint that provides suggestions of additional improvements. This can be statements with other properties to be added to the item.
Term (or "termbox") is a part of entity, includes label, description and alias. Terms may only be plain text (i.e. not containing any wiki markup).
Title is the name of a page. All pages must have a unique title within a given wiki, as the title is included in the URL for the page. For example there can be only one page with the title "Douglas Adams" on English Wikipedia. In Wikidata, a title is either an entity identifier such as Q42, or it starts with a namespace prefix such as Help:. The page title is not to be confused with the label for a Wikidata item or property. Wikidata items are connected to pages on other Wikimedia wikis via sitelinks, which use the page's title to uniquely identify the resource.
Unit is a Wikidata item used with a quantity-value. Frequently used units are metre or EUR, but any item could be used as unit. If the unit includes a conversion to SI unit (P2370)-statement, quantities with the unit are normalized based on that. See mw:Wikibase/Indexing/RDF Dump Format#Normalized values.
Value (also datavalue) is the actual piece of information stored within a claim. Wikidata has a range of allowed datatypes (such as "item", "mathematical expression", "quantity"). The datatype needed for any given claim is determined by the property used (e.g. the value in a "place of birth" claim must be an "item"). Instead of a normal value, you can also use one of the special cases "unknown value" or "no value" in a claim.
Help:Statements
Value type is the way values are stored internally. Each data type corresponds to one value type. For example, although external identifier, Commons media and mathematical expression are different datatypes, they all use the "string" value type. Values for some data types contain multiple parts with different value types. For example, a quantity contains four parts: "amount", "unit", "upperbound" and "lowerbound", the last two being optional. Unit is a URL which points to a Wikidata item; the other three parts are numbers in string (not floating-point number).
View is a way data can be visualized or accessed. Besides the default view, Wikibase offers views for mobile devices, rdf, json. Data can be accessed with api. Data on Wikidata is mirrored on Wikidata Query Server offering various result views. Some of the views are editing views, others not. Tools and extensions that provide customs views are Reasonator, Article Placeholder, Listeria.
Wikidata:Data access
Wikidata:How to use data on Wikimedia projects
Wikidata:SPARQL query service/Wikidata Query Help/Result Views
Wikidatas utvidingar vil vera av to slag: Wikidatas tenerutviding som vil utvide Mediawiki slik at den kan samle og vedlikehalde strukturerte data, og som vil bli brukt på sjølve Wikidata nettstaden, og Wikidata klientutviding som vil gjera det mogleg for klientwikiar å hente inn og vise frem data frå ein tenarwiki på sine eigne sider, og som vil bli brukt på Wikipedia og sannsynligvis også andre nettstader.
Help:Wikibase
Wikidata er ein nettstad som køyrer MediaWiki og som bruker utvidinga Wikidata, og tilsaman vil dette la Wikidata-skribentar lage og manøvrere blant sider på Wikidata.
Wikidata:Introduction
Wikidata Query Service (or WDQS) is the official service for querying Wikidata using the SPARQL query language.
Wikidata:SPARQL query service/Wikidata Query Help
Wikimedia is the name of a movement which consists of people and organizations. Wikidata is run by the Wikimedia Foundation together with other wikis such as Wikipedia. The Wikibase software is mainly developed by Wikimedia Germany which is one of the national Wikimedia affiliations.
Help:Wikimedia
Wiki is a website that can be edited by the visitors quickly, Wikipedia and Wikidata are wikis.
Help:Wiki

Related Glossaries