Python implementation of Smartg.
SmartTag provides methods to tag text from figure legends based on the SourceData model.
See also:
SourceData - a semantic platform for curating and searching figures. Liechti R, George N, Götz L, El-Gebali S, Chasapi A, Crespo I, Xenarios I, Lemberger T. Nature Methods (2017) 14:1021 doi:10.1038/nmeth.4471
Read more in the documentation section.