abs-0807-4620'

@article{DBLP:journals/corr/abs-0807-4620,
  author    = {Christoph Koch},
  title     = {A Compositional Query Algebra for Second-Order Logic and
               Uncertain Databases},
  journal   = {CoRR},
  volume    = {abs/0807.4620},
  year      = {2008},
  ee        = {http://arxiv.org/abs/0807.4620},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}