In eolaiocht an eolais , is proiseas e rialu udarais (authority control) a eagraionn faisneis, mar shampla i gcataloga leabharlainne , tri usaid a bhaint as litriu aonair sainiuil ar ainm (a dtugtar ceannteideal air), no as aitheantoir uimhriuil ar gach topaic. Eascraionn an focal “udaras” on smaoineamh go bhfuil ainmneacha daoine, aiteanna, rudai, agus coincheapa “udaraithe”, .i., go bhfuil siad socraithe i bhfoirm amhain. Cuirtear na ceannteidil no na haitheantoiri uathula seo i bhfeidhm go comhsheasmhach ar fud na gcatalog a bhaineann usaid as an gcomhad udarais, agus cuirtear i bhfeidhm iad ar mhodhanna eile chun sonrai a eagru, mar shampla sonrai idirnasctha agus crostagairti.

Bunachair sonrai a mbaintear usaid astu sa rialu udarais:

Leabharlanna naisiunta [ cuir in eagar | athraigh foinse ]

• Biblioteca Nacional de Espana ( Leabharlann Naisiunta na Spainne ) (BNE) ^{[1] [2]}
• Bibliotheque nationale de France ( Leabharlann Naisiunta na Fraince ) (BNF) ^[3]
• Library of Congress Control Number ( Uimhir Cumhacht Leabharlann Congress ) (LCCN) ^{[4] [5]}
• National Library of Poland (NLP) ^{[6] [7]}
• National Library of the Czech Republic (NKC) ^{[8] [9]}
• Koninklijke Bibliotheek ('Leabharlann Naisiunta an Isiltir') (NTA) ^[10]
• Systeme universitaire de documentation (SUDOC) ^[11]

Bunachair shonrai scannain, teilifis agus daoine [ cuir in eagar | athraigh foinse ]

• AllMovie ( Scannain go leir ) a bhaineann leis na scannain, clair theilifise agus clair fiseain.. ^[12]
• FilmAffinity ( FiniochtScannain ) a bhaineann le moltai scannain ^[13]
• Internet Movie Database ( Buanchar Sonrai Scannain Idirlin ) (IMDb) a bhaineann leis na scannain, clair theilifise, clair fiseain, agus fischluichi. ^[14]
• RottenTomatoes ( TrataiBreana ) a bhaineann le leirmheasanna scannain/seoanna/taispeantais ^[15]

Bunachair shonrai eile [ cuir in eagar | athraigh foinse ]

• Gemeinsame Normdatei (GND) ^[16]
• International Standard Book Number ( Uimhir Chaighdeanach Idirnaisiunta Leabhar ) (ISBN) de Leabhar ^[17]
• International Standard Name Identifier (ISNI) ^[18]
• Online Computer Library Center ( Ionad Leabharlainne Riomhaireachta Ar Line ) (OCLC) seirbhis leabhlainn ^[19]
• Wikidata, ghreasan-bhunaithe, ilteangach, bunachar sonrai a taca Vicipeid i chuile teanga. ^[20]
• Social Networks and Archival Context (SNAC) ^[21]
• Virtual International Authority File ( Comhad Udarais Idirnaisiunta Fioruil ) (VIAF) ^[22]
• WorldCat Identities (Worldcat) coras cataloige ar line a liostaionn bailiuchain chomhcheangailte 70,000+ leabharlann i 170 tir. ^[23]

Tagairti [ cuir in eagar | athraigh foinse ]