316 citations · 1.8k across the 23 of their papers we have counts for
23 papers
The disruption index is biased by citation inflation
Alexander M. Petersen, Felber Arroyave, Fabio Pammolli
A recent analysis of scientific publication and patent citation networks by Park et al. (Nature, 2023) suggests that publications and patents are becoming less disruptive over time…
Shift in house price estimates during COVID-19 reveals effect of crisis on collective speculation
Alexander M. Petersen
We exploit a city-level panel comprised of individual house price estimates to estimate the impact of COVID-19 on both small and big real-estate markets in California USA. Descript…
Evolution of biomedical innovation quantified via billions of distinct article-level MeSH keyword combinations
Alexander M. Petersen
We develop a systematic approach to measuring combinatorial innovation in the biomedical sciences based upon the comprehensive ontology of Medical Subject Headings (MeSH). This app…
Grand challenges and emergent modes of convergence science
Alexander M. Petersen, Mohammed E. Ahmed, Ioannis Pavlidis
To address complex problems, scholars are increasingly faced with challenges of integrating diverse knowledge domains. We analyzed the evolution of this convergence paradigm in the…
Biomedical Convergence Facilitated by the Emergence of Technological and Informatic Capabilities
Dong Yang, Ioannis Pavlidis, Alexander M. Petersen
We analyzed Medical Subject Headings (MeSH) from 21.6 million research articles indexed by PubMed to map this vast space of entities and their relations, providing insights into th…
Renormalizing individual performance metrics for cultural heritage management of sports records
Alexander M. Petersen, Orion Penner
Individual performance metrics are commonly used to compare players from different eras. However, such cross-era comparison is often biased due to significant changes in success fa…