Dominika Tkaczyk

Dominika Tkaczyk

Director of Data Science

Biography

Dominika joined Crossref’s R&D team in August 2018 as a Principal R&D Developer. Within her first few years at Crossref, she focused primarily on the research and development of metadata matching strategies, to enrich the Research Nexus network with new relationships. In 2024 Dominika became Crossref’s Director of Data Science and launched the Data Science Team. The goal of the Data Science Team is to explore new possibilities for using the data to serve the scholarly community, continue the enrichment of the scholarly record with more metadata and relationships, and develop strong collaborations with like-minded community initiatives. Before joining Crossref, Dominika was a researcher and a data scientist at the University of Warsaw, Poland, and a postdoctoral researcher at Trinity College Dublin, Ireland. She received a PhD in Computer Science from the Polish Academy of Sciences in 2016 for her research on metadata extraction from full-text documents using machine learning and natural language processing techniques.

ORCID iD

0000-0001-5055-7876

Dominika Tkaczyk's Latest Blog Posts

The myth of perfect metadata matching

Dominika Tkaczyk, Wednesday, Aug 28, 2024

In MetadataLinkingMetadata Matching

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In our previous instalments of the blog series about matching (see part 1 and part 2), we explained what metadata matching is, why it is important and described its basic terminology. In this entry, we will discuss a few common beliefs about metadata matching that are often encountered when interacting with users, developers, integrators, and other stakeholders. Spoiler alert: we are calling them myths because these beliefs are not true! Read on to learn why.

The anatomy of metadata matching

Dominika Tkaczyk, Thursday, Jun 27, 2024

In MetadataLinkingMetadata Matching

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In our previous blog post about metadata matching, we discussed what it is and why we need it (tl;dr: to discover more relationships within the scholarly record). Here, we will describe some basic matching-related terminology and the components of a matching process. We will also pose some typical product questions to consider when developing or integrating matching solutions. Basic terminology Metadata matching is a high-level concept, with many different problems falling into this category.

Metadata matching 101: what is it and why do we need it?

Dominika Tkaczyk, Thursday, May 16, 2024

In MetadataLinkingMetadata Matching

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At Crossref and ROR, we develop and run processes that match metadata at scale, creating relationships between millions of entities in the scholarly record. Over the last few years, we’ve spent a lot of time diving into details about metadata matching strategies, evaluation, and integration. It is quite possibly our favourite thing to talk and write about! But sometimes it is good to step back and look at the problem from a wider perspective.

Discovering relationships between preprints and journal articles

Dominika Tkaczyk, Thursday, Dec 7, 2023

In PreprintsLinking

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In the scholarly communications environment, the evolution of a journal article can be traced by the relationships it has with its preprints. Those preprint–journal article relationships are an important component of the research nexus. Some of those relationships are provided by Crossref members (including publishers, universities, research groups, funders, etc.) when they deposit metadata with Crossref, but we know that a significant number of them are missing. To fill this gap, we developed a new automated strategy for discovering relationships between preprints and journal articles and applied it to all the preprints in the Crossref database. We made the resulting dataset, containing both publisher-asserted and automatically discovered relationships, publicly available for anyone to analyse.

The more the merrier, or how more registered grants means more relationships with outputs

Dominika Tkaczyk, Wednesday, Feb 22, 2023

In GrantsResearch Funders

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One of the main motivators for funders registering grants with Crossref is to simplify the process of research reporting with more automatic matching of research outputs to specific awards. In March 2022, we developed a simple approach for linking grants to research outputs and analysed how many such relationships could be established. In January 2023, we repeated this analysis to see how the situation changed within ten months. Interested? Read on!

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