Fig. 4
From: Leak detection in water distribution networks: an introductory overview
Top ten most utilized keywords in leak detection research. The upper x-axis in Fig. 4 represents the progress of time from 1998 to 2016. The right y-axis represents the top ten most used keywords in the field from most used on top to least used in the bottom. The lines in front of the keywords provide, in a chronological fashion, impactful papers that utilized the keyword. The connections between papers are forward citations