Nees Jan van Eck
@neesjanvaneck
Followers
2K
Following
444
Media
88
Statuses
940
Researcher at CWTS, Leiden University; Developer of VOSviewer and CitNetExplorer
Joined November 2011
VOSviewer Online has been released! New tool for easy online sharing of interactive network visualizations; more information in this blog post https://t.co/RsXpPxwmAg
@cwtsleiden @LudoWaltman
6
50
104
Another paper from a collaboration with my alma mater, this time on the history of applications of laser desorption ionization in mass spectrometry: https://t.co/dibu7UmEND
pubs.acs.org
Continued development of laser desorption/ionization (LDI) since its inception in the 1960s has produced an explosion of soft ionization techniques, where ionization is assisted by the physical or...
1
2
9
π£ We are happy to present the 6th edition of the CWTS Scientometrics Summer School! π When: 26 August 2024 β 06 September 2024 π Hybrid: Online & in-person at CWTS in Leiden, NL #CS3 #Scientometrics
https://t.co/HVn3cfYYn3
1
14
20
Announcing OpenAlex Topicsβ a new system for categorizing hundreds of millions of research publications!
4
30
88
Our authors @neesjanvaneck, Martijn Visser and @LudoWaltman discuss in this blog post the opening up of the CWTS Leiden Ranking published today β
and introduce the decentralised and open model approach used for data curation π https://t.co/GdALQKZE3A
leidenmadtrics.nl
Today, CWTS released the Open Edition of the Leiden Ranking. This blog post discusses the data curation approach taken in this fully transparent edition of the Leiden Ranking.
0
8
12
πOur new blog post introduces the first fully transparent university ranking: the Leiden Ranking Open Edition launched today by @CWTS in collaboration with @COKI , @MsPhelps from Sesame Open Science and @OurResearch π
leidenmadtrics.nl
This post introduces the Open Edition of the CWTS Leiden Ranking, published today by CWTS in collaboration with the Curtin Open Knowledge Initiative, Sesame Open Science, and OurResearch. The Leiden...
0
26
31
New topic classification in @OpenAlex_org using Leiden algorithm. Interestingly using GPT3.5 to create short and long labels for the lowest level of classifications. This classification will also be used in the upcoming Leiden ranking based on open data (Jan 30)
Our @cwtsleiden colleagues @neesjanvaneck and @LudoWaltman have developed a new open approach for the classification of research publications. Read our latest blog post to find out the details
0
8
21
Our @cwtsleiden colleagues @neesjanvaneck and @LudoWaltman have developed a new open approach for the classification of research publications. Read our latest blog post to find out the details
leidenmadtrics.nl
In this post Nees Jan van Eck and Ludo Waltman introduce an open approach for classifying research publications, contributing to a broader development toward open approaches to bibliometrics.
2
29
53
The Information & Openness focal area at @cwtsleiden studies and promotes #openness of scientometric data, and of research information more generally. Want to know more about the plans for the coming five years? Check our new blog post π https://t.co/SnUGbqLdwt
leidenmadtrics.nl
The Information & Openness focal area at CWTS studies and promotes openness of research information. In this blog post, we present our agenda for the coming five years.
1
11
17
Amazing - I exported my Zotero library from 2019-present and got the references of my references. Broadly, Yellow: COVID-19, Green: Other Epidemiology, Purple: Network Science, Red: Geography, Orange: Remote Sensing, Blue: Computer Science
2
1
4
Thanks to everyone who attended last Thursday's webinar on visualizing OpenAlex data with VOSViewer! Video and slides are up:
1
14
22
Join us *today* at 12pm ET for a free webinar on using VOSViewer to quickly and easily visualize OpenAlex data, led by special guest @neesjanvaneck! Learn more and register:
1
7
18
π¨ Vacancy alert π¨ We have two exciting new job openings in our data science team at CWTS! πΌ
1
11
11
The second edition of the Scientometrics Using Open Data course co-organised by @cwtsleiden and @COKIproject will be held online on 25-28 March 2024 (time amenable to the US timezone)! The registration is open and more info can be found on our website https://t.co/FkMB0mZk6g!
universiteitleiden.nl
Open data sources such as Crossref, DataCite, ORCID, OpenAlex, OpenCitations, and many others offer important opportunities to perform scientometric analyses in more transparent, inclusive, and...
0
15
18
VOSviewer's new features for creating maps based on data downloaded through APIs also show the value of the @OpenAlex web interface that has just been released in a beta version. https://t.co/2pCtO5dC2o
@jasonpriem
1
17
34
Just released: #VOSviewer version 1.6.20, offering improved support for creating maps based on data downloaded through APIs. It also supports creating maps based on data exported from #Scopus in the new Scopus file format. @LudoWaltman @cwtsleiden
https://t.co/CR794Y3zaP
4
38
112
High level visit @NWONieuws today from @GinnyLDN, @EdPentz and @MadAmdekar. At #BibliothecaThysiana we were shown @crossrefs 16thC precursor: Gesnerβs Bibliotheca universalis (1583) w/ @LudoWaltman @neesjanvaneck @jeroenbosman
1
2
6
Our R&D group builds prototypes, experimental solutions, and data-mining applications that can help us to understand our member base in the service of future evolution of the organization. We've got some cool things in the works. Read @martin_eve's blog: https://t.co/DW0eX4mYfl
0
4
5
Today, @cwtsleiden launched the 2023 edition of the Leiden Ranking! Read our new blog post to be updated on the latest developments around the ranking
leidenmadtrics.nl
Today CWTS releases the 2023 edition of the CWTS Leiden Ranking. In this post, the Leiden Ranking team provides an update on ongoing developments related to the ranking.
0
7
14
Today, we released the 2023 edition of the Leiden Ranking. As in previous years, the Leiden Ranking offers important insights into the scientific performance of universities worldwide. @UniLeidenNews
leidenranking.com
The CWTS Leiden Ranking offers important insights into the scientific performance for major universities worldwide. Select your preferred indicators, generate results, and explore the performance of...
1
21
23
We are proud that OpenAlex is free! All of the data is open, and most of our users will find all they need in our free services. For those who want a higher level of service (and to help support our mission!) we're also proud to offer OpenAlex Premium!
1
30
79