Bibclassify in our invenio_v1.1.1 instance does not extruct kewwords.For example, trying to extract keywords in test file 'nucl-th/0204033' by
$ bibclassify -k HEP.rdf http://arxiv.org/pdf/nucl-th/0204033 I receive Input file: 0204033 Author keywords: -- Composite keywords: -- Single keywords: 798 Core keywords: -- Acronyms: -- -- Bibclassify v0.4.9
