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Community discussion of Wikidata related topics with the goal of understanding how the library can contribute to and leverage Wikidata as a platform for publishing, linking, and enriching library linked data.

The group will meet biweekly to discuss various aspects of Wikidata in support of the partner and cohort institution projects involving Wikidata. At each meeting, Hilary (Wikimedian in Residence) or a guest will present some relevant material related to the topic and we’ll discuss any issues members have encountered as well as helpful resources.

Anyone, including those not participating in LD4P2, is welcome to join the group.


Chair: Hilary Thorsen
Biweekly calls
Dedicated, open Slack channel in LD4 – #wikidata
Dedicated, open Google group – ld4-wikidata
Public meeting notes in Google Drive:
Meetings are recorded and links to the recordings can be found in the meeting notes


Calls biweekly, Tuesdays, 9am PDT / 12pm EDT / 16:00 UTC / 6pm CEST (Time zone converter) starting April 23, 2019

Goals and Outcomes

  • Provide a welcoming, collaborative, and supportive space to discuss Wikidata related topics
  • Gain a basic understanding of Wikidata in the context of the Wiki community and its norms
  • Help other institutions begin to work in Wikidata by developing a Wiki* inventory of competencies and technologies necessary for those working with library and archival metadata to build a skill set that can be used in Wikidata and other linked data work
  • Discuss and document what types of communication channels are available and what community support and open source tools are needed to implement integration of library and archival metadata with Wikidata at scale across a broad spectrum of libraries and archives
  • Invite and encourage a variety of institutions and projects, including, public libraries, archives, and community projects, to participate in the group to ensure different perspectives are shared and needs identified
  • Document and share work with the Wikidata community where it will be open to reuse and feedback
  • Gain an understanding of processes to get data out of Wikidata via data dumps and APIs to reuse in library applications as well as the processes to donate data to contribute library and archival data back to Wikidata


Advertised monthly on the following mailing lists. If you have ideas for additional lists to send an invitation to, email Hilary ( 

  • LD4 Partners and Cohort
  • Wikimedia lists
    • Wikidata
    • Wikicite
    • Libraries
    • GLAM
  • Program for Cooperative Cataloging (PCC)
  • Metadata librarians
  • Association for Library Collections and Technical Services (ALCTS) Central
  • PubLib
  • Code4Lib
  • Library and Information Technology Association (LITA)
  • IFLA

Potential Call Topics

  • Modes of communication, i.e. discussion lists, discussion pages, IRC chats, and best places to look for answers to questions
  • WikiProject Shape Expressions
  • Demo of Sinopia (cloud based linked data editor) and Questioning Authority (used in Sinopia for look-up of entities in external sources like Wikidata)
  • Processes to get data out of Wikidata, ie. APIs, data dumps
  • Wikidata/Wikibase for Digital Humanities
  • Project documentation
  • Notability
  • Conflict of interest
  • Best practices for references
  • Best practices for sources
  • Tools
  • Property proposals
  • Accuracy of Wikidata
  • Scope of Wikidata–which areas have the best coverage
  • How to take advantage of Wikidata tools
  • Provenance of data
  • Data donation
  • Batch loading
  • No labels