21 per cent of all citations go to the elite

Science Daily  February 9, 2021 Researchers in Denmark used a linked dataset of more than 4 million authors and 26 million scientific papers spanning 15 years and 118 scientific disciplines to quantify trends in cumulative citation inequality and concentration at the author level. They found that a small stratum of elite scientists accrues increasing citation shares, and that citation inequality is on the rise across the natural sciences, medical sciences, and agricultural sciences. The rise in citation concentration has coincided with a general inclination toward more collaboration. While increasing collaboration and full-count publication rates go hand in hand for the […]

In pursuit of open science, open access is not enough

Science Magazine  May 7, 2020 Despite uncertainty about the long-term sustainability of OA models, many publishers who had been reluctant to abandon the subscription business model are showing openness to OA The healthy functioning of the academic community, including fair terms and conditions from commercial partners, requires that the global marketplace for data analytics and knowledge infrastructure be kept open to real competition. The dominance of a limited number of social networks, shopping services, and search engines shows us how internet platforms based on data and analytics can tend toward monopoly. In the research information space, contracts are being negotiated, […]

More Chinese scientists in America are going back home

Eurekalert  December 30, 2019 Researchers at the Ohio State University made use of Elsevier database to track researchers based on their publications in scientific journals and concluded that that more than 16,000 researchers have returned to China from other countries since that nation has opened to international engagement. More than 4,500 left the United States for China in 2017 – nearly double the number who left in 2010. Chinese scientists are more likely to return to their home from Europe than from the United States. The most elite Chinese scientists are more likely to stay in the United States than […]

Open-access megajournals lose momentum

Science Magazine  September 13, 2019 When PLOS ONE debuted in 2006, it became the world’s largest journal, publishing more than 30,000 papers at its height in 2013 and spawning more than a dozen imitators. From 2013 to 2018, PLOS ONE’s output fell by 44%. Growth in new megajournals has not offset the declines. In 2018, PLOS ONE, Scientific Reports, and 11 smaller megajournals collectively published about 3% of the global papers total. Driving the fall in output is a decline in submissions, they have lost have their appeal of rapid publication and as publishing volumes have declined, so have megajournals’ […]

With little training, machine-learning algorithms can uncover hidden scientific knowledge

Science Daily  July 3, 2019 A team of researchers in the US (Lawrence Berkeley National Laboratory, UC Berkeley) fed 3.3 million abstracts from papers on materials science published in more than 1,000 journals between 1922 and 2018 into an algorithm called Word2vec. The algorithm took each of the approximately 500,000 distinct words in those abstracts and turned each into a 200-dimensional vector, or an array of 200 numbers, and predicted discoveries of new thermoelectric materials years in advance and suggested as-yet unknown materials as candidates for thermoelectric materials. The research suggests that latent knowledge regarding future discoveries is to a […]

TechSight Snapshot Reports

While we are no longer providing contractor support to the Office of Net Technical Assessments (ONTA) of ASD(R&E) (now USDR&E), we are proud of the work we performed and are pleased to share some of the products that have been cleared for publicly release.  Over the course of several months in 2017, we helped ONTA develop several bibliometric reports on key emerging technologies using their TechSight system.  These TechSight Snapshot Reports were cleared for public release and sent to S&T News Bulletin readers and TechSight users on a monthly cycle.  After receiving multiple inquiries about where these can be found, we decided to […]

Scientists teach the neural network to carry out video facial recognition — using a single photo

Eurekalert  July 5, 2018 Researchers in Russia used the theory of fuzzy sets and probability theory to develop a video recognition algorithm. The algorithm significantly improves the accuracy (by 2-6% compared to earlier experiments) of identifying faces by video in real time with a small number of images for several well-known neural network architectures, such as VGGFace, VGGFace2, ResFace and LightCNN. It estimates to what degree one frame is closer to one person, and to what degree the other frame is closer to the next person. Then it compares how similar the training still photos of these two people are […]

Topic-adjusted visibility metric for scientific articles

Phys.org   May 10, 2018 As different academic disciplines have different research behaviours and citation practices, a comparison of research quality across different disciplines based on raw citation counts would not reflect accurately the research merit. An international team of researchers (USA – Columbia University, Singapore) has developed an article-level metric, called “topic-adjusted visibility metric”, which is able to automatically account for the variation in citation activities among different research fields by using a complex network containing attributes belonging to the selected article. Each article need not belong to a single field but can belong to multiple fields with varying degrees. […]

What sort of stream networks do scientific ideas flow along?

Physorg  January 12, 2018 Researchers in Poland have shown that tracking the dependencies between co-authors reveals not only the paths along which scientific ideas flow, but also reconstructs the structure of scientific cooperation and detects emerging communities. Interestingly, the proposed method of analysis can be an effective tool to fight terrorists and even dishonest politicians… read more. TECHNICAL ARTICLE  

Neil Tyson touches on Scientometrics

During a talk on science policy, Astrophysicist Neil deGrasse Tyson shows some scientometric charts with interesting visualizations.  Specifically he shows the volume of scientific articles as a function of country of publication, as well as the rate of publication growth.  On a map of the Earth, the geographical size of each country is increased or decreased in proportion to this amount. Here is the total publications map:  The USA, Europe and Japan dominate.   Here is the rate of growth map:  Europe and Japan are both growing strong, while China is rapidly on the rise, and the USA definitely growing much […]