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EPJ Data Science
Figure 2 | EPJ Data Science

Figure 2

From: Mapping the physics research space: a machine learning approach

Figure 2

Research space network. Each node represents a research topic in Physics, identified by a PACS code, and each edge is weighted by the level of similarity between research topics. Nodes are colored according to their membership to the ten macro-sections of the PACS 2010 classification scheme. Only the most relevant connections are shown

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