PDF2Tag analyzes the text of your PDF and it tags it against a choosen SKOS Thesaurus, whose data are precisely gathererd from the SPARQL-ENDPOINT hosting it. After its text is extracted, analyzed and tagged you will be able to download a text analysis, a match list and the tagged PDF. All computed results are cached for later re-use.

PDF2Tag tags on demand with several colors depending to which top concept a word is found to belong.