On Mon, 26 Jan 2015, Cornelia Plott wrote: > '-factory' (http://invenio-demo.cern.ch/search?p=-factory) -> returns 88 > records > 'and not factory' (http://invenio-demo.cern.ch/search?p=and+not+factory) > -> returns 64 records
The leading `AND NOT` operator triggers Boolean query that is apparently badly parsed. The usage of `-` is simpler, for it means "the following word must not be present", which works well. See the existing bug report: https://github.com/inveniosoftware/invenio/issues/2098 Best regards -- Tibor Simko
