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This page is a translated version of the page Wikidata:Glossary and the translation is 21% complete.

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Elements of a statement

Este glossary define importante Wikidata conceptos e refire a información máis detallada. Ve Wikidata:Introdución para unha introdución xeral a Wikidata e o glossary directrices para como para escribir e mellorar as entradas do glosario.

Alias (ou tamén coñecido como) é un nome alternativo para un elemento ou propiedade. O nome habitual ou máis importante é a etiqueta. Os alias axudannos a atopar un elemento mesmo se non o buscamos pola etiqueta. Por exemplo, o elemento Q2 ten "Terra" como etiqueta e outros alias como “Tellus” e “Planeta Azul”.
Badges are optional markers that can be attached to a sitelink. For instance a sitelink can be marked to link to a "featured article" and/or to a "proofread" page.
Claim is a piece of data about the entity on whose 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.

Restrición é unha regra que nos indica como debería ser utilizada unha [[date of birth (P569)ropiedade|propiedade]] particular. Por exemplo, cada instancia de ser humano só pode levar un único date of birth (P569), xa que hai unha restrición de valor único nesta propiedade.

Datatype (data value type or value type) is the kind of data values that may be assigned to a property, and specifies how the data values are stored in each claim. Each property is assigned a pre-defined datatype. Not all values can be linked, as long as there are certain datatypes missing. The development of new datatypes is still in progress. See also Special:ListDatatypes for currently available datatypes.
Help:Data type
Descrición é unha frase descritiva nunha lingua e é específica para un elemento, propiedade ou consulta. Proporciona contexto para a etiqueta (por exemplo, hai moitos elementos sobre sitios coa etiqueta "Cambridge"). A descrición non necesita ser única, nin nunha lingua nin en Wikidata en xeral, mais ten que estar vencellada de maneira única coa etiqueta. A combinación dunha etiqueta e unha descrición é única, polo que se trata dunha restrición estrita. Se a nosa contribución non segue estas pautas non poderán gardarse os cambios.
Entity is the content of a Wikidata page, that either may be an item (in the main namespace), a property (in the property namespace). Every entity is uniquely identified by an entity ID, which is a prefixed number, for example starting with the prefix Q for an item and P for a property. An entity is also identified by a unique combination of label and description in each language. An entity may have alternate aliases in multiple languages. Each entity has also a dereferenceable URI that follows the pattern where ID is its entity ID.
External identifier Some properties have values that are strings used in the databases of external organisations. They uniquely identify an item. 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.
Item refers to a real-world object, concept, or event that is given an identifier (an equivalent of a name) in Wikidata together with information about it. Each item has a corresponding Wikipage in the Wikidata main namespace. Items are identified by a prefixed id (like Q5), or by a sitelink to an external page, or by a unique combination of multilingual label and description. Items may also have aliases to ease lookup. The main data part of an item is the list of statements about the item. An item can be viewed as the subject-part of a triplet in linked data.
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.
Language attributes are the language-specific labels, aliases and descriptions that are assigned to items, properties and queries. These are human-readable text to improve understanding of the scope of the item; for example the specific type of real world entity. If they are missing some of them can be replaced by strings from alternate languages, following the language fallback chains.
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.
Mainspace is one of the namespaces in a wiki. Other than other namespaces, it does not have a prefix. In Wikidata, the mainspace contains the pages with the items.
MediaWiki is the software that runs Wikidata, Wikipedia and other wikis. The MediaWiki installation of Wikidata makes use of the Wikibase extension.
What is MediaWiki
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).
Namespaces are a kind of category for pages in a wiki. Per 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 of such a 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 Help:Contents.
Page An internal or external webpage with a unique title, for example an article in Wikipedia main namespace or an item in Wikidata main namespace. In Wikidata, the term "page" may refer to an item or a property page in the data namespaces, a meta page in other namespaces or an external linked page on Wikipedia or other Wikimedia site or an other external site, that is referenced using a sitelink. Pages in the main namespace of Wikidata are about items, and one page can only hold one item.
Project is a term often used in the Wikimedia movement. In most cases, people mean a Wikimedia Wiki. So in Wikidata, the term usually refers to Wikidata itself.
Propiedade (tamén atributo) é o descritor para un valor ou calquera outra relación, composto ou posible valor ausente, pero non é propio valor. Cada declaración nunha páxina de elemento vencéllase a unha propiedade, e atribúelle á propiedade un ou varios valores, ou calquera outra relación, composto ou posible valor ausente. A propiedade é almacenada nunha páxina no espazo de nomes de Propiedades e inclúe unha declaración do tipo de datos para os valores da propiedade. Comparado cos datos vinculados, a propiedade representa o predicado dunha tripla.
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).
Query is a search across items in Wikidata. By now queries can be executed in the SPARQL query language. It is planned to extent Wikidata by queries as entities defined on their own pages.
Wikidata:SPARQL query service
Rango é un parámetro de selección utilizado para a selección simple ou filtrado nos casos onde hai moitas declaracións para unha propiedade concreta. Nestes casos pode que interese indicar se algunha declaración é máis importante ou relevante ca outra. Por defecto unha declaración leva sempre o indicativo de "normal", pero pódela cambiar a "privilexiado" ou "obsoleto".
As referencias (ou fontes) describen a orixe dunha declaración en Wikidata. Unha referencia é, a miúdo, un elemento de seu, por exemplo, un libro. Wikidata non ten como obxectivo establecer se unha declaración é correcta, senón que se limita a indicar que unha declaración determinada aparece ligada a unha fonte de referencia.
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.
Sitelink (Interlanguage link) is an identification of a linked page on another site. It consists of a site identifier and a title, and are stored in individual items in Wikidata. They are used both for identifying an item from an external site, and as a central storage of interwiki (interlanguage) links.
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 and in qualifiers as part of statements. The "main snak" is the most important part of the statement, 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" it refers to the part "Emma Watson was a cast member of Harry Potter and the Philosopher's Stone".
Declaración é unha das partes que proporcionan os datos sobre un elemento, recollido na páxina do elemento. Unha declaración consiste nunha afirmación (unha parella formada por unha propiedade e o seu valor correspondente, como "Lugar: Alemaña"),xunto con cualificadores optativos que se amplia con referencias optativas (dependendo da fonte de referencia para cada afirmación) e o uso opcional do parámetro rango (utilizado para distinguir entre moitas afirmacións que comparten a mesma propiedade). Wikidata non tira conclusións sobre a corrección das declaracións, senón que se limita a recollelas e expoñelas con referencia a unha fonte.
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.
Title is the name of a page. The title is unique per wiki. In Wikidata a title is either an item identifier such as Q42 or it starts with a namespace prefix such as Help:. Titles of pages in other Wikimedia wikis are required to connected these pages to Wikidata items via sitelinks.
Values (also datavalues) are the information pieces embedded in each claim. Depending on their datatype, they can be a single value (like a number) or a value consisting of several parts (like a geographical position with longitude and latitude). The special cases "unknown value" or "no value" can also be selected.
Wikibase is the software behind Wikidata. It consists of a set of extensions to the MediaWiki software. Thanks to these extentions, Wikidata can manage data in items and properties, and query and display this data.
Wikidata is a Wikimedia project that runs an instance of MediaWiki with the Wikibase extensions. It enables Wikidata editors to enter data and browse pages.
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.
Wiki is a concept for a website. Wikipedia and Wikidata are wikis. A wiki in general is a website that can be edited by the visitors.

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