quotation marks

[victor_palacios]

The error in the String Manipulation node is caused because the " needs to be read as a literal " and not as a " which begins denoting a string.

See the workflow here where I did this:

Adding weight to tagged terms

Here is the workflow with fake data. Classification_dictionary_based.knwf (207.8 KB) As I have multiple terms for each category, I don’t know if your solution will work but I will try anyway.