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<meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta name="viewport" content="width=1120"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//m.wikidata.org/wiki/Event:Data_Reuse_Days_2025"> <link rel="alternate" type="application/x-wiki" title="Edit" href="/w/index.php?title=Event:Data_Reuse_Days_2025&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikidata.png"> <link rel="icon" href="/static/favicon/wikidata.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikidata (en)"> <link rel="EditURI" type="application/rsd+xml" href="//www.wikidata.org/w/api.php?action=rsd"> <link rel="canonical" href="https://www.wikidata.org/wiki/Event:Data_Reuse_Days_2025"> <link rel="license" href="/wiki/Wikidata:Copyright"> <link rel="alternate" type="application/atom+xml" title="Wikidata Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin-vector-legacy mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-1728 ns-subject mw-editable page-Event_Data_Reuse_Days_2025 rootpage-Event_Data_Reuse_Days_2025 skin-vector action-view"><div id="mw-page-base" class="noprint"></div> <div id="mw-head-base" class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> </div> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Event</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Data Reuse Days 2025</span></h1> <div id="bodyContent" class="vector-body"> <div id="siteSub" class="noprint">From Wikidata</div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="contentSub2"></div> <div id="jump-to-nav"></div> <a class="mw-jump-link" href="#mw-head">Jump to navigation</a> <a class="mw-jump-link" href="#searchInput">Jump to search</a> <div id="mw-content-text" class="mw-body-content"><div dir='ltr' lang='en' class='ext-campaignevents-eventpage-header oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-padded oo-ui-panelLayout-framed'><div class='ext-campaignevents-eventpage-header-eventinfo'><div class='oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement ext-campaignevents-textwithicon-widget'><span title='Location' class='oo-ui-iconElement-icon oo-ui-icon-mapPin ext-campaignevents-eventpage-icon'></span><span class='oo-ui-labelElement-label oo-ui-labelElement-invisible'>Location</span><span class='ext-campaignevents-textwithicon-widget-content'>Online event</span></div><div class='ext-campaignevents-eventpage-header-time oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement ext-campaignevents-textwithicon-widget'><span title='Start and end time' class='oo-ui-iconElement-icon oo-ui-icon-clock ext-campaignevents-eventpage-icon'></span><span class='oo-ui-labelElement-label oo-ui-labelElement-invisible'>Start and end time</span><span class='ext-campaignevents-textwithicon-widget-content'><span data-mw-start='2025-02-18T17:00:00Z' data-mw-end='2025-02-27T19:00:00Z' class='ext-campaignevents-time-range'>17:00, 18 February 2025 – 19:00, 27 February 2025</span><div><strong>Timezone:</strong> <span class="ext-campaignevents-timezone">+00:00</span></div></span></div><div class='oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement ext-campaignevents-textwithicon-widget'><span title='Number of participants' class='oo-ui-iconElement-icon oo-ui-icon-userGroup ext-campaignevents-eventpage-icon'></span><span class='oo-ui-labelElement-label oo-ui-labelElement-invisible'>Number of participants</span><span class='ext-campaignevents-textwithicon-widget-content'>20 participants</span></div><div class='ext-campaignevents-eventpage-header-buttons'><span class='ext-campaignevents-eventpage-details-btn oo-ui-widget oo-ui-widget-enabled oo-ui-buttonElement oo-ui-buttonElement-frameless oo-ui-labelElement oo-ui-flaggedElement-progressive oo-ui-buttonWidget'><a role='button' tabindex='0' href='/wiki/Special:EventDetails/1050' rel='nofollow' class='oo-ui-buttonElement-button'><span class='oo-ui-iconElement-icon oo-ui-iconElement-noIcon oo-ui-image-progressive'></span><span class='oo-ui-labelElement-label'>More details</span><span class='oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator oo-ui-image-progressive'></span></a></span><span class='ext-campaignevents-eventpage-register-btn ext-campaignevents-eventpage-action-element oo-ui-widget oo-ui-widget-enabled oo-ui-buttonElement oo-ui-buttonElement-framed oo-ui-labelElement oo-ui-flaggedElement-primary oo-ui-flaggedElement-progressive oo-ui-buttonWidget'><a role='button' tabindex='0' href='/wiki/Special:RegisterForEvent/1050' rel='nofollow' class='oo-ui-buttonElement-button'><span class='oo-ui-iconElement-icon oo-ui-iconElement-noIcon oo-ui-image-invert'></span><span class='oo-ui-labelElement-label'>Register for event</span><span class='oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator oo-ui-image-invert'></span></a></span></div></div></div><div id="ext-campaignevents-eventpage-details-dialog-content"><h2 class="ext-campaignevents-detailsdialog-header">Data Reuse Days 2025</h2><div class="ext-campaignevents-detailsdialog-organizers">Organized by: <a href="/wiki/User:Lea_Lacroix_(WMDE)" class="mw-userlink" title="User:Lea Lacroix (WMDE)"><bdi>Lea Lacroix (WMDE)</bdi></a></div><div class="ext-campaignevents-detailsdialog-body-container"><div class="ext-campaignevents-detailsdialog-eventinfo-container"><div><h3 class='ext-campaignevents-eventpage-detailsdialog-section-header'><span class='ext-campaignevents-eventpage-detailsdialog-section-icon oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement-icon oo-ui-icon-clock oo-ui-iconElement oo-ui-labelElement-invisible oo-ui-iconWidget'></span><span>Start and end time</span></h3><div class='ext-campaignevents-eventpage-detailsdialog-section-content ext-campaignevents-eventpage-detailsdialog-time'><span data-mw-start='2025-02-18T17:00:00Z' data-mw-end='2025-02-27T19:00:00Z' class='ext-campaignevents-time-range'>17:00, 18 February 2025 to 19:00, 27 February 2025</span><div><strong>Timezone:</strong> <span class="ext-campaignevents-timezone">+00:00</span></div></div></div><div><h3 class='ext-campaignevents-eventpage-detailsdialog-section-header'><span class='ext-campaignevents-eventpage-detailsdialog-section-icon oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement-icon oo-ui-icon-mapPin oo-ui-iconElement oo-ui-labelElement-invisible oo-ui-iconWidget'></span><span>Location</span></h3><div class='ext-campaignevents-eventpage-detailsdialog-section-content'><h4 class='ext-campaignevents-eventpage-detailsdialog-location-header'>Online event</h4><p>The link will be made available by the organizer.</p></div></div><div><h3 class='ext-campaignevents-eventpage-detailsdialog-section-header'><span class='ext-campaignevents-eventpage-detailsdialog-section-icon oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement-icon oo-ui-icon-speechBubbles oo-ui-iconElement oo-ui-labelElement-invisible oo-ui-iconWidget'></span><span>Join event chat group</span></h3><div class='ext-campaignevents-eventpage-detailsdialog-section-content'>No chat group is available for this event.</div></div></div><div><h3 class='ext-campaignevents-eventpage-detailsdialog-section-header'><span class='ext-campaignevents-eventpage-detailsdialog-section-icon oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement-icon oo-ui-icon-userGroup oo-ui-iconElement oo-ui-labelElement-invisible oo-ui-iconWidget'></span><span>20 participants</span></h3><div class='ext-campaignevents-eventpage-detailsdialog-section-content'><ul class='ext-campaignevents-detailsdialog-participants-list'><li><a href="/wiki/User:Lea_Lacroix_(WMDE)" class="mw-userlink" title="User:Lea Lacroix (WMDE)"><bdi>Lea Lacroix (WMDE)</bdi></a></li><li><a href="/wiki/User:Lydia_Pintscher_(WMDE)" class="mw-userlink" title="User:Lydia Pintscher (WMDE)"><bdi>Lydia Pintscher (WMDE)</bdi></a></li><li><a href="/wiki/User:ItamarWMDE" class="mw-userlink" title="User:ItamarWMDE"><bdi>ItamarWMDE</bdi></a></li><li><a href="/wiki/User:Kuldeepburjbhalaike" class="mw-userlink" title="User:Kuldeepburjbhalaike"><bdi>Kuldeepburjbhalaike</bdi></a></li><li><a href="/wiki/User:Masssly" class="mw-userlink" title="User:Masssly"><bdi>Masssly</bdi></a></li><li><a href="/wiki/User:MSwierenga" class="mw-userlink" title="User:MSwierenga"><bdi>MSwierenga</bdi></a></li><li><a href="/wiki/User:Macocobovi" class="mw-userlink" title="User:Macocobovi"><bdi>Macocobovi</bdi></a></li><li><a href="/wiki/User:Kosboot" class="mw-userlink" title="User:Kosboot"><bdi>Kosboot</bdi></a></li><li><a href="/wiki/User:Sridhar_G" class="mw-userlink" title="User:Sridhar G"><bdi>Sridhar G</bdi></a></li><li><a href="/wiki/User:Hanlin_Li" class="mw-userlink" title="User:Hanlin Li"><bdi>Hanlin Li</bdi></a></li></ul><span class='oo-ui-widget oo-ui-widget-enabled oo-ui-buttonElement oo-ui-buttonElement-frameless oo-ui-labelElement oo-ui-flaggedElement-progressive oo-ui-buttonWidget'><a role='button' tabindex='0' href='/w/index.php?title=Special:EventDetails/1050&tab=ParticipantsPanel' rel='nofollow' class='oo-ui-buttonElement-button'><span class='oo-ui-iconElement-icon oo-ui-iconElement-noIcon oo-ui-image-progressive'></span><span class='oo-ui-labelElement-label'>View all</span><span class='oo-ui-indicatorElement-indicator oo-ui-indicatorElement-noIndicator oo-ui-image-progressive'></span></a></span></div><div class='ext-campaignevents-detailsdialog-private-participants-footer'><span class='oo-ui-widget oo-ui-widget-enabled oo-ui-iconElement-icon oo-ui-icon-lock oo-ui-iconElement oo-ui-labelElement-invisible oo-ui-iconWidget'></span><span class='ext-campaignevents-detailsdialog-private-participants-footer-text'>3 participants registered privately</span></div></div></div></div><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Banner_Data_Reuse_Days_2025_01.png" class="mw-file-description"><img alt="Data Reuse Days, 18-27 February 2025" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Banner_Data_Reuse_Days_2025_01.png/800px-Banner_Data_Reuse_Days_2025_01.png" decoding="async" width="800" height="267" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Banner_Data_Reuse_Days_2025_01.png/1200px-Banner_Data_Reuse_Days_2025_01.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Banner_Data_Reuse_Days_2025_01.png/1600px-Banner_Data_Reuse_Days_2025_01.png 2x" data-file-width="3000" data-file-height="1000" /></a><figcaption></figcaption></figure> <div style="width:100%; font-size:1.2em; min-width:99%; margin:auto; padding-top:20px;"> <div style="float:left; min-width:18%; border-bottom: 8px solid #3c4e78; text-align:center; margin-right:1%;"><a class="mw-selflink selflink">Overview</a></div> <div style="float:left; min-width:18%; border-bottom: 8px solid #cd6753; text-align:center; margin-left:1%; margin-right:10px;"><a class="mw-selflink-fragment" href="#Sessions">Program</a></div> <div style="float:left; min-width:18%; border-bottom: 8px solid #6097c6; text-align:center; margin-left:1%; margin-right:10px;"><a href="/wiki/Special:RegisterForEvent/1050" title="Special:RegisterForEvent/1050">Register</a></div> <div style="float:left; min-width:18%; border-bottom: 8px solid #9cbfdb; text-align:center; margin-left:1%; margin-right:10px;"><a href="/wiki/Special:EventDetails/1050" title="Special:EventDetails/1050">Participants</a></div> <div style="float:left; min-width:18%; border-bottom: 8px solid #e4c0b9; text-align:center; margin-left:1%; margin-right:10px;"><a href="/wiki/Event_talk:Data_Reuse_Days_2025" title="Event talk:Data Reuse Days 2025">Discussions</a></div> </div> <div style="clear: both;"></div> <p><br /> </p> <div style="background:#d0e6f4; color:#3c4e78; padding:1%; font-size:1.2em; font-style: italic;"> This page is currently a work in progress, make sure to come back later when it's ready!</div> <dl><dt>Welcome!</dt> <dd>The <b>Data Reuse Days 2025</b> is an online event focusing on how <b>people and organizations use Wikidata's data to build interesting applications and tools</b>. It aims to bring together data reusers and editors to learn from each other and discover cool Wikidata-powered applications. We will also cover technical aspects of Wikidata and share research and ideas for the future of reusing Wikidata’s data.</dd></dl> <dl><dt>How does it work?</dt> <dd>The event is taking place <b>online</b>, we will have sessions taking place during periods of 2 hours through 8 days: <b>from February 18 to 27, 2025</b>. You will be able to join sessions live, or to watch the replay later on. You will find the schedule below on this page. The sessions take place in English, and are open to everyone interested in the topic of data reuse.</dd></dl> <dl><dt>Register to the event</dt> <dd>We encourage you to <b>sign up to the event</b> on this page to receive updates and access links. In order to register, you need to be logged in with your Wikimedia account, and click on the <b>"register for event" button</b> at the top of this page.</dd></dl> <dl><dt>Contribute to the program</dt> <dd>We are welcoming proposals from Wikidata editors and reusers who want to showcase their applications or facilitate discussions! You can <b><a href="/wiki/Event_talk:Data_Reuse_Days_2025" title="Event talk:Data Reuse Days 2025">propose sessions on the talk page until January 12th</a></b>. We will then select some of them and add them to the schedule. We are especially welcoming demos of tools or applications using Wikidata's data, discussions between editors and reusers, and technical presentations.</dd></dl> <dl><dt>Code of conduct</dt> <dd>Please note that the entire initiative, including the presentations and discussions on various channels, is covered by the <a href="https://www.mediawiki.org/wiki/Special:MyLanguage/Code_of_Conduct" class="extiw" title="mw:Special:MyLanguage/Code of Conduct">Code of Conduct for technical spaces</a>. Please contribute in making the discussion spaces safe and welcoming for everyone.</dd></dl> <dl><dt>Discussions and help</dt> <dd>If you have questions or suggestions about the event, feel free to use the talk page. Announcements about the event are talking place on the same talk page, and on the <a rel="nofollow" class="external text" href="https://t.me/joinchat/SPlRqI5xcw7ugXlE">Wikidata Telegram group</a>. If you want to reach out to the organizers directly, feel free to contact <a href="/wiki/User:Lea_Lacroix_(WMDE)" title="User:Lea Lacroix (WMDE)">Lea Lacroix (WMDE)</a> (lea.lacroix_ext<span class="skin-invert" typeof="mw:File"><span title="@"><img alt="@" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/15px-At_sign.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/23px-At_sign.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/88/At_sign.svg/30px-At_sign.svg.png 2x" data-file-width="145" data-file-height="145" /></span></span>wikimedia.de or @Auregann on Telegram).</dd></dl> <div class="mw-heading mw-heading2"><h2 id="Sessions">Sessions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Event:Data_Reuse_Days_2025&action=edit&section=1" title="Edit section: Sessions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="background:#d0e6f4; color:#3c4e78; padding:1%; font-size:1.2em; font-style: italic;"> This section is currently a work in progress, make sure to come back later when it's ready!</div> <p>The event sessions will take place at the following dates and times: </p> <ul><li>Tuesday, February 18th, from 17:00 to 19:00 UTC</li> <li>Wednesday, February 19th, from 17:00 to 19:00 UTC</li> <li>Thursday, February 20th, from 17:00 to 19:00 UTC</li> <li>Friday, February 21st, from 17:00 to 19:00 UTC</li> <li>Monday, February 24th, from 17:00 to 19:00 UTC</li> <li>Tuesday, February 25th, from 17:00 to 19:00 UTC</li> <li>Wednesday, February 26th, from 17:00 to 19:00 UTC</li> <li>Thursday, February 27th, from 17:00 to 19:00 UTC</li></ul> <p>More information about the program will be added here in January. </p> <dl><dt>Contribute to the program</dt> <dd>We are welcoming proposals from Wikidata editors and reusers who want to showcase their applications or facilitate discussions! You can <b><a href="/wiki/Event_talk:Data_Reuse_Days_2025" title="Event talk:Data Reuse Days 2025">propose sessions on the talk page until January 12th</a></b>. We will then select some of them and add them to the schedule. We are especially welcoming demos of tools or applications using Wikidata's data, discussions between editors and reusers, and technical presentations.</dd></dl> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Event:Data_Reuse_Days_2025&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><i>Feel free to add more links here!</i> </p> <div class="column-count column-count-2" style="-moz-column-count: 2; -webkit-column-count: 2; column-count: 2;"> <p>🪷 <b>Event useful links</b> </p> <ul><li>Slide template: TBD</li> <li>Main Commons category: <a href="https://commons.wikimedia.org/wiki/Category:Data_Reuse_Days_2025" class="extiw" title="c:Category:Data Reuse Days 2025">Data Reuse Days 2025</a></li> <li><a href="https://commons.wikimedia.org/wiki/Category:Data_Reuse_Days_2025_presentations" class="extiw" title="c:Category:Data Reuse Days 2025 presentations">Sessions slides and materials</a></li> <li><a href="https://commons.wikimedia.org/wiki/Category:Data_Reuse_Days_2025_videos" class="extiw" title="c:Category:Data Reuse Days 2025 videos">Videos</a></li></ul> <p>🖋️ Related <b>documentation pages</b> </p> <ul><li><a href="/wiki/Wikidata:For_developers" title="Wikidata:For developers">Wikidata:For developers</a></li> <li><a href="/wiki/Wikidata:Data_access" title="Wikidata:Data access">Wikidata:Data access</a></li> <li><a href="/wiki/Wikidata:SPARQL_query_service/Wikidata_Query_Help" title="Wikidata:SPARQL query service/Wikidata Query Help">Wikidata:SPARQL query service/Wikidata Query Help</a></li> <li><a href="/wiki/Wikidata:Tools/For_programmers" title="Wikidata:Tools/For programmers">Wikidata:Tools/For programmers</a></li> <li><a href="https://commons.wikimedia.org/wiki/Category:Data_Reuse_Days_2022_presentations" class="extiw" title="c:Category:Data Reuse Days 2022 presentations">Slides</a> and <a rel="nofollow" class="external text" href="https://www.youtube.com/playlist?list=PLduaHBu_3ejNaZk15ybdHNWY8z-FyunRm">videos</a> of the <a href="/wiki/Wikidata:Events/Data_Reuse_Days_2022" title="Wikidata:Events/Data Reuse Days 2022">Data Reuse Days 2022</a> event</li></ul> <p>💬 <b>Telegram</b> and other social media </p> <ul><li><a rel="nofollow" class="external text" href="https://t.me/joinchat/SPlRqI5xcw7ugXlE">Wikidata general Telegram group</a></li> <li>On Mastodon & co: <b>#DataReuseDays2025</b></li></ul> <p>▶️ <b>Selection of sessions</b> from previous events </p> <ul><li>TBD</li></ul> </div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" 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