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Owen Stephens <[log in to unmask]> wrote: > The CORE project at The Open University in the UK is doing some work on finding similarity between papers in institutional repositories (see http://core-project.kmi.open.ac.uk/ for more info). The first step in the process is extracting text from the (mainly) pdf documents harvested from repositories > > We've tried iText but had issues with quality > We moved to PDFBox but are having performance issues > > Any other suggestions/experience? UpLib uses xpdf's pdftotext, which works well. There's also code in UpLib to find similarities between papers :-). Bill