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ORCIDNajko Jahn
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- affiliation: Bielefeld University, Germany
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2020 – today
- 2025
[j15]Najko Jahn
:
How open are hybrid journals included in transformative agreements? Quant. Sci. Stud. 6: 242-262 (2025)- [j14]Jack H. Culbert, Anne Hobert, Najko Jahn, Nick Haupka, Marion Schmidt, Paul Donner, Philipp Mayr:
Reference coverage analysis of OpenAlex compared to Web of Science and Scopus. Scientometrics 130(4): 2475-2492 (2025) - [i10]Najko Jahn:
Estimating transformative agreement impact on hybrid open access: A comparative large-scale study using Scopus, Web of Science and open metadata. CoRR abs/2504.15038 (2025) - 2024
- [j13]Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani:
Understanding differences of the OA uptake within the German University landscape (2010-2020): Part 2 - repository-provided OA. Scientometrics 129(5): 2801-2825 (2024) - [i9]Jack H. Culbert, Anne Hobert, Najko Jahn, Nick Haupka, Marion Schmidt, Paul Donner, Philipp Mayr:
Reference Coverage Analysis of OpenAlex compared to Web of Science and Scopus. CoRR abs/2401.16359 (2024) - [i8]Najko Jahn:
How open are hybrid journals included in transformative agreements? CoRR abs/2402.18255 (2024) - [i7]Nick Haupka, Jack H. Culbert, Alexander Schniedermann, Najko Jahn, Philipp Mayr:
Analysis of the Publication and Document Types in OpenAlex, Web of Science, Scopus, Pubmed and Semantic Scholar. CoRR abs/2406.15154 (2024) - 2023
- [j12]Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters:
No deal: German researchers' publishing and citing behaviors after Big Deal negotiations with Elsevier. Quant. Sci. Stud. 4(2): 325-352 (2023) - [j11]Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani:
Understanding differences of the OA uptake within the German university landscape (2010-2020): part 1 - journal-based OA. Scientometrics 128(6): 3601-3625 (2023) - [i6]Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani:
Understanding differences of the OA uptake within the Germany university landscape (2010-2020) - Part 2: repository-provided OA. CoRR abs/2308.11965 (2023) - 2022
- [j10]Najko Jahn, Lisa Matthias, Mikael Laakso:
Toward transparency of hybrid open access through publisher-provided metadata: An article-level study of Elsevier. J. Assoc. Inf. Sci. Technol. 73(1): 104-118 (2022) - [i5]Niels C. Taubert, Anne Hobert, Najko Jahn, Andre Bruns, Elham Iravani:
Understanding differences of the OA uptake within the German university landscape (2010-2020). Part 1: journal-based OA. CoRR abs/2209.12505 (2022) - 2021
- [j9]Mikael Laakso, Lisa Matthias, Najko Jahn:
Open is not forever: A study of vanished open access journals. J. Assoc. Inf. Sci. Technol. 72(9): 1099-1112 (2021) - [j8]Mikael Laakso, Lisa Matthias, Najko Jahn:
Response to comment on "Open is not forever: A study of vanished open access journals". J. Assoc. Inf. Sci. Technol. 72(9): 1115-1116 (2021) - [j7]Anne Hobert, Najko Jahn, Philipp Mayr, Birgit Schmidt, Niels C. Taubert:
Open access uptake in Germany 2010-2018: adoption in a diverse research landscape. Scientometrics 126(12): 9751-9777 (2021) - [d3]Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters:
No Deal: Investigating the Influence of Restricted Access to Elsevier Journals on German Researchers' Publishing and Citing Behaviours. Version v1.0. Zenodo, 2021 [all versions]
- [d2]Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters:
No Deal: German Researchers' Publishing and Citing Behaviours after Big Deal Negotiations with Elsevier. Version v2.0. Zenodo, 2021 [all versions] - [i4]Najko Jahn, Lisa Matthias, Mikael Laakso:
Transparency to hybrid open access through publisher-provided metadata: An article-level study of Elsevier. CoRR abs/2102.04789 (2021) - [i3]Nicholas Fraser, Anne Hobert, Najko Jahn, Philipp Mayr, Isabella Peters:
No Deal: Investigating the Influence of Restricted Access to Elsevier Journals on German Researchers' Publishing and Citing Behaviours. CoRR abs/2105.12078 (2021) - 2020
- [i2]Mikael Laakso, Lisa Matthias, Najko Jahn:
Open is not forever: a study of vanished open access journals. CoRR abs/2008.11933 (2020)
2010 – 2019
- 2019
- [j6]Lisa Matthias, Najko Jahn, Mikael Laakso:
The Two-Way Street of Open Access Journal Publishing: Flip It and Reverse It. Publ. 7(2): 23 (2019) - [d1]François Michonneau, Tracy K. Teal, Auriel M. V. Fournier, Brian Seok, Adam Obeng, Aleksandra Natalia Pawlik, Ana Costa Conrado, Kara H. Woo, Philip Lijnzaad, Ted Hart, Ethan P. White, Ben Marwick, Benjamin M. Bolker, Kari L. Jordan, Jaime Ashander, Harriet Dashnow, Kate L. Hertweck, Sergio Martínez Cuesta, Erin Alison Becker, Stéphane Guillou, Alexey Shiklomanov, David H. Klinges, Gabriel J. Odom, Martin Jean, K. A. S. Mislan, Kayla Johnson, Najko Jahn, Sara Mannheimer, Steve Pederson, Alex Pletzer, Anne Fouilloux, Callin Switzer, Christie A. Bahlai, Daijiang Li, Dan Kerchner, Francisco J. Rodríguez-Sanchez, Gede Primahadi Wijaya Rajeg, Hao Ye, Hugo Tavares, Katrin Leinweber, Kayla Peck, Mauro Luciano Lepore, Stacey Hancock, Thomas Sandmann, Toby Hodges, Katrin Tirok, Alistair Bailey, Achaz von Hardenberg, Allison Theobold, April Wright, Arindam Basu, Carolina Johnson, Carolyn Voter, Catherine Hulshof, Daina Bouquin, Danielle Quinn, Darya Vanichkina, Earle Wilson, Eli Strauss, Ellen Bledsoe, Emilia Gan, Dmytro Fishman, Fred Boehm, Gergana Daskalova, Jake Kaupp, Jillian Dunic, Jonathan Keane, Joseph Stachelek, Joshua R. Herr, Justin Millar, Katie Lotterhos, Karen Cranston, Kenan Direk, Kristian Tylén, Kyriakos C. Chatzidimitriou, Lachlan Deer, Leszek Tarkowski, Marco Chiapello, Marie-Helene Burle, Markus Ankenbrand, Max Czapanskiy, Melissa Moreno, Michael Culshaw-Maurer, Michael J. Koontz, Michael Weisner, Myfanwy Johnston, Nick Carchedi, Olivia Rata Burge, Paul Harrison, Peter Humburg, Richard Pauloo, Ryan Peek, Robin Elahi, Sandra Cortijo, sfn_brt, Shivshankar Umashankar, Shubhang Goswami, Sumedh, Scott Yanco, Tara Webster, Taylor Reiter, Will Pearse, Ye Li:
datacarpentry/R-ecology-lesson: Data Carpentry: Data Analysis and Visualization in R for Ecologists, June 2019. Zenodo, 2019 - [i1]Niels C. Taubert, Anne Hobert, Nicholas Fraser, Najko Jahn, Elham Iravani:
Open Access - Towards a non-normative and systematic understanding. CoRR abs/1910.11568 (2019) - 2018
- [j5]Birgit Schmidt, Andrea C. Bertino, Daniel Beucke, Helene Brinken, Najko Jahn, Lisa Matthias, Julika Mimkes, Katharina Müller, Astrid Orth, Margo Bargheer:
Open Science Support as a Portfolio of Services and Projects: From Awareness to Engagement. Publ. 6(2): 27 (2018) - 2017
- [j4]Vidya Ayer, Cord Wiljes, Philipp Cimiano, Christian Pietsch, Johanna Vompras, Jochen Schirrwagen, Najko Jahn:
Conquaire: Towards an Architecture Supporting Continuous Quality Control to Ensure Reproducibility of Research. D Lib Mag. 23(1/2) (2017) - 2015
- [j3]Wolfram Horstmann, Najko Jahn, Birgit Schmidt:
Der Wandel der Informationspraxis in Forschung und Bibliothek. ZfBB 62(2): 73-79 (2015) - 2013
- [j2]Najko Jahn, Martin Fenner, Jochen Schirrwagen:
PlosOpenR - Exploring FP7 funded PLOS publications. Inf. Serv. Use 33(2): 93-101 (2013) - [c2]Najko Jahn, Martin Fenner, Jochen Schirrwagen:
plosOpenRExploring FP7 funded PLOS publications. ELPUB 2013 - [c1]Cord Wiljes, Najko Jahn, Florian Lier, Thilo Paul-Stueve, Johanna Vompras, Christian Pietsch, Philipp Cimiano:
Towards Linked Research Data: an Institutional Approach. SePublica 2013: 27-38
2000 – 2009
- 2008
- [j1]Najko Jahn:
Anthropological motivated usability evaluation: An exploration of IREON - international relations and area studies gateway. Libr. Hi Tech 26(4): 606-621 (2008)
Coauthor Index
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