@inproceedings{sweepingthroughthetopicspacebadluck,
  title = {Sweeping through the Topic Space: Bad luck? Roll again!},
  author = {Martin Riedl and Chris Biemann},
  year = {2012},
  booktitle = {WS 2012 4},
  url = {https://aclanthology.org/W12-0703},
}