Najko Jahn - Publications, H-index & Citations

Najko Jahn

Goettingen State and University Library

13H指数

96论文数

535被引数

收录论文 7

发表时间

Estimating transformative agreement impact on hybrid open access: a comparative large-scale study using Scopus, Web of Science and open metadata 评估转型协议对混合开放获取的影响：一项基于Scopus、Web of Science和开放元数据的比较性大规模研究

Scientometrics

IF3.5

2025-08-01

OAAI

Najko Jahn

Reference coverage analysis of OpenAlex compared to Web of Science and Scopus

SCIENTOMETRICS

IF3.5

2025-04-01

OAAI

Culbert, Jack H.; Hobert, Anne; Jahn, Najko; Haupka, Nick; Schmidt, Marion; Doenner, Paul; Mayr, Philipp

How open are hybrid journals included in transformative agreements?混合期刊包含在转型协议中的开放程度如何？

QUANTITATIVE SCIENCE STUDIES

IF3.5

2025-02-18

OAAI

Jahn, Najko

Understanding differences of the OA uptake within the German University landscape (2010-2020): Part 2-repository-provided OA

SCIENTOMETRICS

IF3.5

2024-04-22

OAAI

Taubert, Niels; Hobert, Anne; Jahn, Najko; Bruns, Andre; Iravani, Elham

Understanding differences of the OA uptake within the German university landscape (2010-2020): part 1-journal-based OA

SCIENTOMETRICS

IF3.5

2023-05-10

OAAI

Taubert, Niels; Hobert, Anne; Jahn, Najko; Bruns, Andre; Iravani, Elham

No deal: German researchers' publishing and citing behaviors after Big Deal negotiations with Elsevier

QUANTITATIVE SCIENCE STUDIES

IF3.5

2023-05-01

OAAI

Fraser, Nicholas; Hobert, Anne; Jahn, Najko; Mayr, Philipp; Peters, Isabella

Open access uptake in Germany 2010-2018: adoption in a diverse research landscape 德国2010-2018的开放获取: 在不同研究环境中的采用

SCIENTOMETRICS

IF3.5

2021-05-23

OAAI

Hobert, Anne; Jahn, Najko; Mayr, Philipp; Schmidt, Birgit; Taubert, Niels

研究方向