Nice elaboration of your requirement. It helped.
I think you can try with "File Import Node " from the "Sample" tab
File Import Node -> Text Parsing Node -> Text Filter Node ....etc.
In File Import Node do "Right click.." -> "Edit Variables...." and change the Role of "Tweets" variable to "Text"
That should run your Text Mining flow ,
taking each row from your excel as one individual document. (First row "Tweets" will be the variable name )
Thanks.
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