@ARTICLE{Waitelonis2011b,
  author = {Joerg Waitelonis and Nadine Ludwig and Magnus Knuth and Harald Sack},
  title = {WhoKnows? - Evaluating Linked Data Heuristics with a Quiz that Cleans Up DBpedia},
  journal = {International Journal of Interactive Technology and Smart Education (ITSE)},
  year = {2011},
  volume = {8},
  number = {3},
  issn = {1741-5659},
  publisher = {Emerald}
}