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?
Owen Stephens Consulting
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Telephone: 0121 288 6936