corrected Summary in index.html to "The proceedings contain <span class="CEURACCEPTEDPAPERS">6</span> contributions that were accepted after peer review for presentation at the RealDataFCA’2021 workshop."
corrected title of paper 4 in index.html
corrected title of paper 5 in index.html
corrected title of paper 6 in index.html
corrected name of first author of paper 6 in index.html
corrected missing page numbers of preface and papers 1 to 6
corrected name of first author of paper 6 in preface
corrected title of paper 4 in preface
corrected title of paper 5 in preface
corrected title of paper 6 in preface
