?url_ver=Z39.88-2004&rft_id=10.1103%2FPhysRevE.80.036118&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Zlatic&rft.au=Zlatic%2C+Vinko&rft.aufirst=Vinko&rft.atitle=Hypergraph+topological+quantities+for+tagged+social+networks&rft.date=September+2009&rft.issue=3&rft.volume=80&rft.title=Physical+Review+E&rft.issn=1539-3755&rft.genre=article