Thomas Bernecker Hans-Peter Kriegel Nikos Mamoulis Matthias Renz Andreas Züfle Scalable Probabilistic Similarity Ranking in Uncertain Databases (Technical Report) http://arxiv.org/abs/0907.2868 2009 CoRR abs/0907.2868 db/journals/corr/corr0907.html#abs-0907-2868 informal publication