Reposted by Lutz Bornmann
Very glad to see this collaborative work w/ Robin Haunschild and @lutzb.bsky.social published in Journal of Informetrics
"A study of gender and regional differences in scientific mobility and immobility among researchers identified as potentially talented"
Open Access here:
doi.org/10.1016/j.jo...
"A study of gender and regional differences in scientific mobility and immobility among researchers identified as potentially talented"
Open Access here:
doi.org/10.1016/j.jo...
November 6, 2025 at 4:46 PM
Very glad to see this collaborative work w/ Robin Haunschild and @lutzb.bsky.social published in Journal of Informetrics
"A study of gender and regional differences in scientific mobility and immobility among researchers identified as potentially talented"
Open Access here:
doi.org/10.1016/j.jo...
"A study of gender and regional differences in scientific mobility and immobility among researchers identified as potentially talented"
Open Access here:
doi.org/10.1016/j.jo...
Reposted by Lutz Bornmann
The recent debate in JoI highlights a key issue often ignored in evaluation: doi.org/10.1016/j.jo... When all publication types are counted, normalized #metrics become inconsistent and misleading. But once we restrict the analysis to articles and reviews, correlations rise sharply. #bibliometrics
October 17, 2025 at 6:41 PM
The recent debate in JoI highlights a key issue often ignored in evaluation: doi.org/10.1016/j.jo... When all publication types are counted, normalized #metrics become inconsistent and misleading. But once we restrict the analysis to articles and reviews, correlations rise sharply. #bibliometrics
Reposted by Lutz Bornmann
Is research performance related to academic freedom? A preprint co-authored with @lutzb.bsky.social conducts a large-scale empirical analysis on the national level to this question. osf.io/2mh8f #academicfreedom #AcademicFreedomIndex Short 🧵
September 5, 2025 at 8:55 AM
Is research performance related to academic freedom? A preprint co-authored with @lutzb.bsky.social conducts a large-scale empirical analysis on the national level to this question. osf.io/2mh8f #academicfreedom #AcademicFreedomIndex Short 🧵
Reposted by Lutz Bornmann
How similar are field-normalized citation impact scores obtained from OpenAlex and three popular commercial databases? An empirical comparison based on large German universities.
link.springer.com/article/10.1...
link.springer.com/article/10.1...
How similar are field-normalized citation impact scores obtained from OpenAlex and three popular commercial databases? An empirical comparison based on large German universities - Scientometrics
OpenAlex is a freely available bibliographic database that can be used for bibliometric studies. In this study, we compared certain field-normalized citation scores (NCS) from OpenAlex with those from...
link.springer.com
May 30, 2025 at 5:46 AM
How similar are field-normalized citation impact scores obtained from OpenAlex and three popular commercial databases? An empirical comparison based on large German universities.
link.springer.com/article/10.1...
link.springer.com/article/10.1...
Reposted by Lutz Bornmann
Prof Gunnar Sivertsen (NIFU, Norway) has been awarded the Derek de Solla Price Medal 2025 of the international journal Scientometrics.
The awarding ceremony will take place during the 20th ISSI Conference in Yerevan (Armenia) to be held on 23–27 June 2025.
www.issi-society.org/awards/derek...
The awarding ceremony will take place during the 20th ISSI Conference in Yerevan (Armenia) to be held on 23–27 June 2025.
www.issi-society.org/awards/derek...
Derek de Solla Price Memorial Medal | International Society for Scientometrics and Informetrics
The International Society for Informetrics and Scientometrics (ISSI) is an international association of scholars and professionals active in the interdisciplinary study science of science, science com...
www.issi-society.org
April 18, 2025 at 1:07 PM
Prof Gunnar Sivertsen (NIFU, Norway) has been awarded the Derek de Solla Price Medal 2025 of the international journal Scientometrics.
The awarding ceremony will take place during the 20th ISSI Conference in Yerevan (Armenia) to be held on 23–27 June 2025.
www.issi-society.org/awards/derek...
The awarding ceremony will take place during the 20th ISSI Conference in Yerevan (Armenia) to be held on 23–27 June 2025.
www.issi-society.org/awards/derek...
Metrics sonification: The introduction of new ways to present bibliometric data using publication data of Loet Leydesdorff as an example. https://rdcu.be/eiqC4
April 20, 2025 at 4:25 AM
Metrics sonification: The introduction of new ways to present bibliometric data using publication data of Loet Leydesdorff as an example. https://rdcu.be/eiqC4
Reposted by Lutz Bornmann
The MPIWG’s Research Report 2021–2024 is now available online and in print!
📗 The report provides insights into the Institute’s structure and research, including our researchers and staff, projects, and publications.
🔗 bitly.cx/l3ovd
#HistSci #HistMed #EnvHist #STS #Sinology #DigitalHumanities
📗 The report provides insights into the Institute’s structure and research, including our researchers and staff, projects, and publications.
🔗 bitly.cx/l3ovd
#HistSci #HistMed #EnvHist #STS #Sinology #DigitalHumanities
April 16, 2025 at 10:37 AM
The MPIWG’s Research Report 2021–2024 is now available online and in print!
📗 The report provides insights into the Institute’s structure and research, including our researchers and staff, projects, and publications.
🔗 bitly.cx/l3ovd
#HistSci #HistMed #EnvHist #STS #Sinology #DigitalHumanities
📗 The report provides insights into the Institute’s structure and research, including our researchers and staff, projects, and publications.
🔗 bitly.cx/l3ovd
#HistSci #HistMed #EnvHist #STS #Sinology #DigitalHumanities
Reposted by Lutz Bornmann
I am extremely happy to share. Just out in @pnas.org:
“Global subnational estimates of migration of scientists reveal large disparities in internal and international flows”
Open Access: doi.org/10.1073/pnas...
with Maciej J. Dańko, Xinyi Zhao, @ezagheni.bsky.social @mpidr.bsky.social #PAA2025
“Global subnational estimates of migration of scientists reveal large disparities in internal and international flows”
Open Access: doi.org/10.1073/pnas...
with Maciej J. Dańko, Xinyi Zhao, @ezagheni.bsky.social @mpidr.bsky.social #PAA2025
April 11, 2025 at 6:31 PM
I am extremely happy to share. Just out in @pnas.org:
“Global subnational estimates of migration of scientists reveal large disparities in internal and international flows”
Open Access: doi.org/10.1073/pnas...
with Maciej J. Dańko, Xinyi Zhao, @ezagheni.bsky.social @mpidr.bsky.social #PAA2025
“Global subnational estimates of migration of scientists reveal large disparities in internal and international flows”
Open Access: doi.org/10.1073/pnas...
with Maciej J. Dańko, Xinyi Zhao, @ezagheni.bsky.social @mpidr.bsky.social #PAA2025
Reposted by Lutz Bornmann
index (D). While prior studies emphasize minimum citation windows (mostly 3-5 years) for reliable citation impact measurements, the time-sensitive nature of D - which quantifies a paper' s capacity to eclipse prior knowledge - remains underexplored. [2/6 of https://arxiv.org/abs/2504.07828v1]
April 11, 2025 at 5:55 AM
index (D). While prior studies emphasize minimum citation windows (mostly 3-5 years) for reliable citation impact measurements, the time-sensitive nature of D - which quantifies a paper' s capacity to eclipse prior knowledge - remains underexplored. [2/6 of https://arxiv.org/abs/2504.07828v1]
Reposted by Lutz Bornmann
highly disruptive and consolidating works. The findings offer significant implications for scholarly evaluation and science policy, emphasizing the need for careful consideration of citation window length in research assessment (based on D). [6/6 of https://arxiv.org/abs/2504.07828v1]
April 11, 2025 at 5:56 AM
highly disruptive and consolidating works. The findings offer significant implications for scholarly evaluation and science policy, emphasizing the need for careful consideration of citation window length in research assessment (based on D). [6/6 of https://arxiv.org/abs/2504.07828v1]
Reposted by Lutz Bornmann
classifications, while shorter windows (3 years) exhibit instability. Publications with >=30 references stabilize 1-3 years faster, and extreme cases (top/bottom 5% D values) become identifiable within 5 years - enabling early detection of 60-80% of [5/6 of https://arxiv.org/abs/2504.07828v1]
April 11, 2025 at 5:55 AM
classifications, while shorter windows (3 years) exhibit instability. Publications with >=30 references stabilize 1-3 years faster, and extreme cases (top/bottom 5% D values) become identifiable within 5 years - enabling early detection of 60-80% of [5/6 of https://arxiv.org/abs/2504.07828v1]
Reposted by Lutz Bornmann
Hongkan Chen, Lutz Bornmann, Yi Bu: Dynamic disruption index across citation and cited references windows: Recommendations for thresholds in research evaluation https://arxiv.org/abs/2504.07828 https://arxiv.org/pdf/2504.07828 https://arxiv.org/html/2504.07828
April 11, 2025 at 5:55 AM
Hongkan Chen, Lutz Bornmann, Yi Bu: Dynamic disruption index across citation and cited references windows: Recommendations for thresholds in research evaluation https://arxiv.org/abs/2504.07828 https://arxiv.org/pdf/2504.07828 https://arxiv.org/html/2504.07828
Reposted by Lutz Bornmann
'The influence of public policy and administration expertise on #policy: an empirical study'
New from Evidence & Policy, by @rhaunschild.bsky.social, Kate Williams & @lutzb.bsky.social:
New from Evidence & Policy, by @rhaunschild.bsky.social, Kate Williams & @lutzb.bsky.social:
The influence of public policy and administration expertise on policy: an empirical study
Academic expertise is a key pillar of governance processes around the world. A goal of policy and public sector actors is to draw on research to improve decision making, and correspondingly, a goal…
buff.ly
April 7, 2025 at 11:42 AM
'The influence of public policy and administration expertise on #policy: an empirical study'
New from Evidence & Policy, by @rhaunschild.bsky.social, Kate Williams & @lutzb.bsky.social:
New from Evidence & Policy, by @rhaunschild.bsky.social, Kate Williams & @lutzb.bsky.social:
Reposted by Lutz Bornmann
👀 ICYMI: @lutzb.bsky.social & Christian Ganser explore the phenomenon of hyperprolific authors, who publish a research paper every five days, and what listening to their output metrics can tell us about ‘research productivity’.
#Citations #Bibliometrics #Academia
#Citations #Bibliometrics #Academia
Metrics sonification – What we can learn from listening to the output of hyperprolific academic authors - Impact of Social Sciences
Bibliometric data is often communicated visually or as text, but what can we learn by listening to them via the process of metrics sonification?
blogs.lse.ac.uk
April 4, 2025 at 3:02 PM
👀 ICYMI: @lutzb.bsky.social & Christian Ganser explore the phenomenon of hyperprolific authors, who publish a research paper every five days, and what listening to their output metrics can tell us about ‘research productivity’.
#Citations #Bibliometrics #Academia
#Citations #Bibliometrics #Academia
Reposted by Lutz Bornmann
The attacks on science in the US raise serious concerns. With other colleagues at CWTS, we discuss how our research relates to these developments, and how we intend to monitor science at risk.
🚨 Science in the US faces major challenges, including attacks on diversity, equity & inclusion, and climate science. In our new blog post, CWTS’ focal areas respond and outline continuous efforts to improve how science is practiced, governed, and valued.
👉 www.leidenmadtrics.nl/articles/str...
👉 www.leidenmadtrics.nl/articles/str...
Strengthening science through diversity
Science in the US is under attack, with banned words, funding cuts, and threats to diversity, equity & inclusion and climate science. These actions harm science. CWTS’ focal areas respond, aligned wit...
www.leidenmadtrics.nl
April 2, 2025 at 2:37 PM
The attacks on science in the US raise serious concerns. With other colleagues at CWTS, we discuss how our research relates to these developments, and how we intend to monitor science at risk.
Reposted by Lutz Bornmann
Our upcoming Open Research Seminars in May, June and July on the German Excellence Initiative, measuring disruption in science and evaluative bibliometrics in the DORA/CoARA context:
bibliometrie.info
April 2, 2025 at 12:43 PM
Our upcoming Open Research Seminars in May, June and July on the German Excellence Initiative, measuring disruption in science and evaluative bibliometrics in the DORA/CoARA context:
Reposted by Lutz Bornmann
The special track on Open Research Information at @stienid2025.bsky.social is open to submissions via the regular conference submission tool.
And we are live!
www.stienid2025.org
Call for Special Sessions and Papers open January 2025.
Spread the news and see you there!
www.stienid2025.org
Call for Special Sessions and Papers open January 2025.
Spread the news and see you there!
Home | STIENID2025 Bristol
www.stienid2025.org
March 24, 2025 at 11:09 AM
The special track on Open Research Information at @stienid2025.bsky.social is open to submissions via the regular conference submission tool.
Reposted by Lutz Bornmann
💥 New: Metrics sonification – What we can learn from listening to the output of hyperprolific academic authors
✍️ @lutzb.bsky.social & Christian Ganser #Bibliometrics #AcademicSky #DataViz
✍️ @lutzb.bsky.social & Christian Ganser #Bibliometrics #AcademicSky #DataViz
Metrics sonification – What we can learn from listening to the output of hyperprolific academic authors - Impact of Social Sciences
Bibliometric data is often communicated visually or as text, but what can we learn by listening to them via the process of metrics sonification?
blogs.lse.ac.uk
March 28, 2025 at 1:01 PM
💥 New: Metrics sonification – What we can learn from listening to the output of hyperprolific academic authors
✍️ @lutzb.bsky.social & Christian Ganser #Bibliometrics #AcademicSky #DataViz
✍️ @lutzb.bsky.social & Christian Ganser #Bibliometrics #AcademicSky #DataViz
Reposted by Lutz Bornmann
Reminder: The deadline for submissions to the 29th Annual Science and Technology Indicators Conference (STI 2025) is fast approaching!🚨
🔗 Submit your work here: auth.oxfordabstracts.com?redirect=/st...
Need more time? Just reach out at [email protected] we're happy to accommodate!
🔗 Submit your work here: auth.oxfordabstracts.com?redirect=/st...
Need more time? Just reach out at [email protected] we're happy to accommodate!
Home | STIENID2025 Bristol
www.stienid2025.org
March 24, 2025 at 11:20 AM
Reminder: The deadline for submissions to the 29th Annual Science and Technology Indicators Conference (STI 2025) is fast approaching!🚨
🔗 Submit your work here: auth.oxfordabstracts.com?redirect=/st...
Need more time? Just reach out at [email protected] we're happy to accommodate!
🔗 Submit your work here: auth.oxfordabstracts.com?redirect=/st...
Need more time? Just reach out at [email protected] we're happy to accommodate!
Reposted by Lutz Bornmann
Proposal of a gold standard combining different UN SDG assignments from different data providers: doi.org/10.1007/s111... @lutzb.bsky.social Many thanks to @clarivateag.bsky.social, @elsevierconnect.bsky.social, and OSDG.ai for providing SDG assignments.
doi.org
March 21, 2025 at 2:10 PM
Proposal of a gold standard combining different UN SDG assignments from different data providers: doi.org/10.1007/s111... @lutzb.bsky.social Many thanks to @clarivateag.bsky.social, @elsevierconnect.bsky.social, and OSDG.ai for providing SDG assignments.