Najko Jahn

28 papers Journal 26Unranked 2
YearRankTypeTitle / Venue / Authors
2026 J jnl
Estimating transformative agreement impact on hybrid open access: a comparative large-scale study using Scopus, Web of Science and open metadata.
Scientometrics
Najko Jahn
2025 J jnl
Estimating transformative agreement impact on hybrid open access: A comparative large-scale study using Scopus, Web of Science and open metadata.
CoRR
Najko Jahn
2025 J jnl
How open are hybrid journals included in transformative agreements?
Quant. Sci. Stud.
Najko Jahn
2025 J jnl
Reference coverage analysis of OpenAlex compared to Web of Science and Scopus.
Scientometrics
Jack H. Culbert, Anne Hobert, Najko Jahn, Nick Haupka, Marion Schmidt, Paul Donner, Philipp Mayr
2024 J jnl
Analysis of the Publication and Document Types in OpenAlex, Web of Science, Scopus, Pubmed and Semantic Scholar.
CoRR
Nick Haupka, Jack H. Culbert, Alexander Schniedermann, Najko Jahn, Philipp Mayr
2024 J jnl
How open are hybrid journals included in transformative agreements?
CoRR
Najko Jahn
2024 J jnl
Reference Coverage Analysis of OpenAlex compared to Web of Science and Scopus.
CoRR
Jack H. Culbert, Anne Hobert, Najko Jahn, Nick Haupka, Marion Schmidt, Paul Donner, Philipp Mayr
2024 J jnl
Understanding differences of the OA uptake within the German University landscape (2010-2020): Part 2 - repository-provided OA.
Scientometrics
Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani
2023 J jnl
No deal: German researchers' publishing and citing behaviors after Big Deal negotiations with Elsevier.
Quant. Sci. Stud.
Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters
2023 J jnl
Understanding differences of the OA uptake within the German university landscape (2010-2020): part 1 - journal-based OA.
Scientometrics
Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani
2023 J jnl
Understanding differences of the OA uptake within the Germany university landscape (2010-2020) - Part 2: repository-provided OA.
CoRR
Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani
2022 J jnl
Toward transparency of hybrid open access through publisher-provided metadata: An article-level study of Elsevier.
J. Assoc. Inf. Sci. Technol.
Najko Jahn, Lisa Matthias, Mikael Laakso
2022 J jnl
Understanding differences of the OA uptake within the German university landscape (2010-2020). Part 1: journal-based OA.
CoRR
Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani
2021 J jnl
No Deal: Investigating the Influence of Restricted Access to Elsevier Journals on German Researchers' Publishing and Citing Behaviours.
CoRR
Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters
2021 J jnl
Open access uptake in Germany 2010-2018: adoption in a diverse research landscape.
Scientometrics
Anne Hobert, Najko Jahn, Philipp Mayr, Birgit Schmidt, Niels C. Taubert
2021 J jnl
Open is not forever: A study of vanished open access journals.
J. Assoc. Inf. Sci. Technol.
Mikael Laakso, Lisa Matthias, Najko Jahn
2021 J jnl
Response to comment on "Open is not forever: A study of vanished open access journals".
J. Assoc. Inf. Sci. Technol.
Mikael Laakso, Lisa Matthias, Najko Jahn
2021 J jnl
Transparency to hybrid open access through publisher-provided metadata: An article-level study of Elsevier.
CoRR
Najko Jahn, Lisa Matthias, Mikael Laakso
2020 J jnl
Open is not forever: a study of vanished open access journals.
CoRR
Mikael Laakso, Lisa Matthias, Najko Jahn
2019 J jnl
Open Access - Towards a non-normative and systematic understanding.
CoRR
Niels C. Taubert, Anne Hobert, Nicholas Fraser, Najko Jahn, Elham Iravani
2019 J jnl
The Two-Way Street of Open Access Journal Publishing: Flip It and Reverse It.
Publ.
Lisa Matthias, Najko Jahn, Mikael Laakso
2018 J jnl
Open Science Support as a Portfolio of Services and Projects: From Awareness to Engagement.
Publ.
Birgit Schmidt, Andrea C. Bertino, Daniel Beucke, Helene Brinken, Najko Jahn, Lisa Matthias, Julika Mimkes, Katharina Müller, Astrid Orth, Margo Bargheer
2017 J jnl
Conquaire: Towards an Architecture Supporting Continuous Quality Control to Ensure Reproducibility of Research.
D Lib Mag.
Vidya Ayer, Cord Wiljes, Philipp Cimiano, Christian Pietsch, Johanna Vompras, Jochen Schirrwagen, Najko Jahn
2015 J jnl
Der Wandel der Informationspraxis in Forschung und Bibliothek.
ZfBB
Wolfram Horstmann, Najko Jahn, Birgit Schmidt
2013 J jnl
PlosOpenR - Exploring FP7 funded PLOS publications.
Inf. Serv. Use
Najko Jahn, Martin Fenner, Jochen Schirrwagen
2013 — conf
Towards Linked Research Data: an Institutional Approach.
SePublica
Cord Wiljes, Najko Jahn, Florian Lier, Thilo Paul-Stueve, Johanna Vompras, Christian Pietsch, Philipp Cimiano
2013 — conf
plosOpenRExploring FP7 funded PLOS publications.
ELPUB
Najko Jahn, Martin Fenner, Jochen Schirrwagen
2008 J jnl
Anthropological motivated usability evaluation: An exploration of IREON - international relations and area studies gateway.
Libr. Hi Tech
Najko Jahn