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Text of the page (random words):
with for example the property official website p856 may only be paired with values of type url 7 optionally qualifiers can be used to refine the meaning of a statement by providing additional information for example a population statement could be modified with a qualifier such as point in time p585 2011 as its own key value pair values in the statements may also be annotated with references pointing to a source backing up the statement s content 8 as with statements all qualifiers and references are property value pairs properties edit example of a simple statement consisting of one property value pair each property has a numeric identifier prefixed with a capital p and a page on wikidata with an optional label description aliases and statements as such there are properties with the sole purpose of describing other properties such as subproperty of p1647 properties may also define more complex rules about their intended usage termed constraints for example the capital p36 property includes a single value constraint reflecting the reality that typically territories have only one capital city constraints are treated as testing alerts and hints rather than inviolable rules 9 before a new property is created it needs to undergo a discussion process 10 11 the most used property is cites work p2860 which is used on more than 290 000 000 item pages as of november 2023 update 12 lexemes edit wikidata klingon lexeme entry for tlhingan wo l34909 in linguistics a lexeme is a unit of lexical meaning representing a group of words that share the same core meaning and grammatical characteristics 13 14 similarly wikidata s lexemes are items with a structure that makes them more suitable for storing lexicographical data since 2016 wikidata has supported lexicographical entries in the form of lexemes 15 in wikidata lexicographical entries have a different identifier from regular item entries these entries are prefixed with the letter l such as in the example entries for book l16168 and cow l3726 lexicographical entries in wikidata can contain statements senses and forms 16 the use of lexicographical entries in wikidata allows for the documentation of word usage the connection between words and items on wikidata word translations and enables machine readable lexicographical data in 2020 lexicographical entries on wikidata exceeded 250 000 the language with the most lexicographical entries was russian with a total of 101 137 lexemes followed by english with 38 122 lexemes there are over 668 languages with lexicographical entries on wikidata 17 entity schemas edit human entity schema in wikidata in wikidata a schema is a data model that outlines the necessary attributes for a data item 18 19 for instance a data item that uses the attribute instance of with the value human would typically include attributes such as place of birth date of birth date of death and place of death 20 the entity schema in wikidata utilizes shape expression shex to describe the data in wikidata items in the form of a resource description framework rdf 21 the use of entity schemas in wikidata helps address data inconsistencies and unchecked vandalism 18 in january 2019 development started of a new extension for mediawiki to enable storing shex in a separate namespace 22 23 entity schemas are stored with different identifiers than those used for items properties and lexemes entity schemas are stored with an e identifier such as e10 for the entity schema of human data instances and e270 for the entity schema of building data instances this extension has since been installed on wikidata 24 and enables contributors to use shex for validating and describing resource description framework data in items and lexemes any item or lexeme on wikidata can be validated against an entity schema clarification needed and this makes it an important tool for quality assurance content edit items for scholarly articles are the biggest part of wikidata followed by the collection of biographies wikidata s content collections include data for biographies 25 medicine 26 digital humanities 27 scholarly metadata through the wikicite project 28 it includes data collections from other open projects including freebase 29 development edit the creation of the project was funded by donations from the allen institute for ai the gordon and betty moore foundation and google inc totaling 1 3 million 30 31 the development of the project is mainly driven by wikimedia deutschland under the management of lydia pintscher and was originally split into three phases 32 centralising interlanguage links links between wikipedia articles about the same topic in different languages providing a central place for infobox data for all wikipedias creating and updating list articles based on data in wikidata and linking to other wikimedia sister projects including meta wiki and the own wikidata interwikilinks initial rollout edit a wikipedia article s list of interlanguage links as they appeared in an edit box left and on the article s page right prior to the release of wikidata each link in these lists is to an article that requires its own list of interlanguage links to the other articles this is the information centralized by wikidata the edit interlanguage links link on wikipedia pages now takes the reader to wikidata to edit interlanguage and interwiki links wikidata was launched on 29 october 2012 and was the first new project of the wikimedia foundation since 2006 2 33 34 at release only the centralization of language links was available this enabled items to be created and filled with basic information a label a name or title aliases alternative terms for the label a description and links to articles about the topic in all the various language editions of wikipedia interwikipedia links historically a wikipedia article would include a list of interlanguage links links to articles on the same topic in other editions of wikipedia if they existed wikidata was originally a self contained repository of interlanguage links 35 wikipedia language editions were still not able to access wikidata so they needed to continue to maintain their own lists of interlanguage links citation needed on 14 january 2013 the hungarian wikipedia became the first to enable the provision of interlanguage links via wikidata 36 this functionality was extended to the hebrew and italian wikipedias on 30 january to the english wikipedia on 13 february and to all other wikipedias on 6 march 37 38 39 40 after no consensus was reached over a proposal to restrict the removal of language links from the english wikipedia 41 they were automatically removed by bots on 23 september 2013 interlanguage links went live on wikimedia commons 42 statements and data access edit 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 43 the ability for the various language editions of wikipedia to access data from wikidata was rolled out progressively between 27 march and 25 april 2013 44 45 on 16 september 2015 wikidata began allowing so called arbitrary access or access from a given article of a wikipedia to the statements on wikidata items not directly connected to it for example it became possible to read data about germany from the berlin article which was not feasible before 46 on 27 april 2016 arbitrary access was activated on wikimedia commons 47 according to a 2020 study a large proportion of the data on wikidata consists of entries imported en masse from other databases by internet bots which helps to break down the walls of data silos 48 query service and other improvements edit on 7 september 2015 the wikimedia foundation announced the release of the wikidata query service 49 which lets users run queries on the data contained in wikidata 50 the service uses sparql as the query language as of november 2018 there are at least 26 different tools that allow querying the data in different ways 51 it uses blazegraph as its triplestore and graph database 52 53 in 2021 wikimedia deutschland released the query builder 54 a form based query builder to allow people who don t know how to use sparql to write a query the wikidata embedding project was made available in october 2025 it provides a vector based semantic search tool allowing plain language queries and supports the model context protocol standard that makes the data more readily available to ai systems 55 the project is a partnership between wikimedia deutschland jina ai and datastax an ibm subsidiary 55 logo edit the bars on the logo contain the word wiki encoded in morse code 56 it was created by arun ganesh and selected through community decision 57 reception edit in november 2014 wikidata received the open data publisher award from the open data institute for sheer scale and built in openness 58 in december 2014 google announced that it would shut down freebase in favor of wikidata 59 as of november 2018 update needs update wikidata information was used in 58 4 of all english wikipedia articles primarily for external identifiers or coordinates in aggregate data from wikidata is shown in 64 of all wikipedias pages 93 of all wikivoyage articles 34 of all wikiquotes 32 of all wikisources and 27 of wikimedia commons 60 as of december 2020 update wikidata s data was visualized by at least 20 other external tools 61 and over 300 papers have been published about wikidata 62 in 2025 wikidata was recognised as a digital public good by the digital public goods alliance 63 applications edit wikidata s structured dataset has been used by virtual assistants such as apple s siri and amazon alexa 64 65 mwnci extension can import data from wikidata to libreoffice calc spreadsheets 66 kde itinerary a privacy conscious open source travel assistant that uses data from wikidata 67 google originally started a frame semantic parser project that aims to parse the information on wikipedia and transfer it into wikidata by coming up with relevant statements using artificial intelligence 68 mathqa a mathematical question answering system 69 as of august 2025 wikidata has been described as the world s largest open access knowledge graph 70 a systematic literature review of the uses of wikidata in research was carried out in 2019 71 see also edit internet portal abstract wikipedia babelnet dbpedia semantic mediawiki wikibase wikimedia enterprise notes edit content from the main userspace and certain other namespaces are in the public domain other texts and contributions are subject to creative commons attributionshare alike q is the first initial of qamarniso vrandečić wikidata née ismoilova an uzbek chemist and wikimedian married to wikidata co developer denny vrandečić 5 references edit chalabi mona 26 april 2013 welcome to wikidata now what archived from the original on 2 october 2021 retrieved 2 october 2021 1 2 wikidata archived 29 october 2012 at the wayback machine data revolution for wikipedia wikimedia deutschland 30 march 2012 archived from the original on 23 october 2012 retrieved 11 september 2012 grafana grafana wikimedia org archived from the original on 27 august 2024 retrieved 21 march 2024 vrandečić denny pintscher lydia krötzsch markus 30 april 2023 wikidata the making of companion proceedings of the acm web conference 2023 pp 615 624 doi 10 1145 3543873 3585579 isbn 9781450394192 s2cid 258377705 help statements wikidata www wikidata org archived from the original on 25 march 2019 retrieved 20 february 2019 help data type wikidata www wikidata org archived from the original on 23 march 2019 retrieved 20 february 2019 help sources wikidata www wikidata org archived from the original on 17 april 2019 retrieved 20 february 2019 help property constraints portal wikidata archived from the original on 1 june 2019 retrieved 20 february 2019 cochrane euan 30 september 2016 wikidata as a digital preservation knowledgebase openpreservation org archived from the original on 5 january 2022 retrieved 5 january 2022 samuel john 15 august 2018 experimental ir meets multilinguality multimodality and interaction experimental ir meets multilinguality multimodality and interaction clef 2018 lecture notes in computer science vol 11018 p 129 doi 10 1007 978 3 319 98932 7_12 isbn 978 3 319 98931 0 wikidata database reports list of properties top100 archived from the original on 24 february 2023 retrieved 18 november 2023 andreou marios 27 march 2019 lexemes oxford bibliographies oxford university press doi 10 1093 obo 9780199772810 0232 isbn 978 0 19 977281 0 retrieved 17 august 2024 bonami olivier boyé gilles dal georgette giraudo hélène namer fiammetta 23 august 2018 the lexeme in descriptive and theoretical morphology language science press doi 10 5281 zenodo 1402520 nielsen finn årup 2019 ordia a web application for wikidata lexemes in hitzler pascal kirrane sabrina hartig olaf de boer victor eds the semantic web eswc 2019 satellite events lecture notes in computer science vol 11762 cham springer international publishing pp 141 146 doi 10 1007 978 3 030 32327 1_28 isbn 978 3 030 32326 4 retrieved 17 august 2024 wikidata lexicographical data documentation wikidata www wikidata org archived from the original on 13 november 2018 retrieved 13 november 2018 nielsen finn may 2020 2020 05 ionov maxim mccrae john p chiarcos christian declerck thierry bosque gil julia gracia jorge eds lexemes in wikidata 2020 status proceedings of the 7th workshop on linked data in linguistics ldl 2020 marseille france european language resources association 82 86 isbn 979 10 95546 36 8 cite journal cs1 maint periodical has isbn link 1 2 werkmeister lucas 2018 schema inference of wikidata pdf karlsruhe fakultät für informatik karlsruhe institute of technology hernández daniel hogan aidan krötzsch markus 2015 reifying rdf what works well with wikidata pdf ssws iswc vol 1457 pp 32 47 erxleben fredo günther michael krötzsch markus mendez julian vrandečić denny 2014 introducing wikidata to the linked data web in mika peter tudorache tania bernstein abraham welty chris knoblock craig vrandečić denny groth paul noy natasha janowicz krzysztof eds the semantic web iswc 2014 lecture notes in computer science vol 8796 cham springer international publishing pp 50 65 doi 10 1007 978 3 319 11964 9_4 isbn 978 3 319 11964 9 thornton katherine solbrig harold stupp gregory s labra gayo jose emilio mietchen daniel prud hommeaux eric waagmeester andra 2019 using shape expressions shex to share rdf data models and to guide curation with rigorous validation in hitzler pascal fernández miriam janowicz krzysztof zaveri amrapali eds the semantic web vol 11503 cham springer international publishing pp 606 620 doi 10 1007 978 3 030 21348 0_39 hdl 10651 53418 isbn 978 3 030 21347 3 extension entityschema mediawiki mediawiki org arch...