Visualizing the scientific world and its evolution: Research Articles
Journal of the American Society for Information Science and Technology
The Hirsch index and related impact measures
Annual Review of Information Science and Technology
Scientometrics
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This article introduces year-based h-indices as a tool to produce easy-to-use research overviews. Based on PubMed data, a general framework is constructed to study the development of molecular research in the context of nervous system diseases. It is shown which molecular substances are the centre of attention and which have passed their peak. Year-based h-indices have the following interesting features for representing changes in a field or discipline: flexibility, sensitivity to dynamic changes, fluctuation detection and trend detection.