The 1,900 journal articles are divided into seven subjects. You can choose to visualise concepts for all 1,900 articles (select 'all') or choose individual subjects.
View the frequency of concepts for your chosen subjects over time.
View concepts for your chosen subjects in more detail (trios).
Experimental! View relationships between concepts.
View concepts for ALL seven subjects over time, based on concept frequency.
View concepts for ALL seven subjects over time, based on document frequency.