Citations as First-Class Data Entities: The OpenCitations Data Model

Requirements for citations to be treated as First-Class Data Entities

In my introductory blog post, I listed five requirements for the treatment of citations as first-class data entities.  The second of these requirements is that they must have metadata structured using a generic yet appropriately detailed data model.

To fulfil that requirement, OpenCitations is pleased to announce the publication on 13 February 2018 of the OpenCitations Data Model, v1.6 [1].  This replaces the previous version, v1.5.3, published on 13 July 2016. Continue reading “Citations as First-Class Data Entities: The OpenCitations Data Model”

My roundup of developments in 2017 that caught my eye.

In my final blog post of the year, I’m going to talk about some of the developments in librarianship and the related domains that caught my eye. Of course, this is by necessity going to be personal and idiosyncratic from my point of view
“Obi-Wan: Anakin, Chancellor Palpatine is evil!
Anakin Skywalker: From my point of view, the Jedi are evil!” – Revenge of the Sith (2005) Continue reading “My roundup of developments in 2017 that caught my eye.”

Wikidata and BHL Update: Part 1

This is a fairly incomplete post about the work that’s going on regarding adding BHL bibliography metadata to Wikidata. I hope to have several more of these posts before the end of the year! 

Following some productive conversations on donating BHL bibliographic metadata to Wikidata, it was discovered almost immediately that BHL’s data is not terribly useful without some serious munging. One of the biggest problems with BHL bibliographic metadata is that it comes from lots of different libraries and museums, legacy cataloging systems, and various types of authority work. For example: BHL attaches Creator IDs to Author names, which is useful for identification and connecting titles and items to their Authors, but they are assigned automatically according to the character strings imported from specific fields in a library catalog’s MARC record. Despite (and perhaps because of) the use of varying authority files to control Author name strings in institutional catalog records, different libraries have contributed items by the same author whose names are are spelled, punctuated, and identified differently. BHL does not conduct authority control on BHL metadata, choosing instead to focus on improving access to items based on content rather than metadata. Fortunately, there are several different ways to go about reconciling and disambiguating data, and one of them is crowdsourcing. Continue reading “Wikidata and BHL Update: Part 1”

The Role of Librarians in Wikidata and WikiCite


The other week I participated in WikiCite 2017, a conference, summit, and hackathon event organized for members of the Wikimedia community to discuss ideas and projects surrounding the concept of adding structured bibliographic metadata to Wikidata to improve the quality of references in the Wikimedia universe. As a Wikidata editor and a librarian, I was pumped to be included in the functional and organizational conversations for WikiCite and learn more about how librarians and GLAMs can contribute. Continue reading “The Role of Librarians in Wikidata and WikiCite”

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