Hello Tibor,
Are there really no citations to read?
(1) If you don't have any citations on your system, then this simply
means that the ranking daemon is not ready for a situation with zero
citations. We used to have such a problem in the past:
http://invenio-software.org/ticket/499
Maybe it is back. In this case you may want to inactivate this ranking
method until we check and fix.
I'm pretty sure that there are no citations in my system (at least not
at this point).
So, if you test in a dummy Invenio site with a few demo records with no
citations (the Poetry collection maybe?) and verify my findings, it
might be a bug.
Having said that, I won't be needing citation-based ranking in the near
future (or at least until I put some useful citation data), and I would
be happy to inactivate it, but how?
Cheers,
Theodoros
