@article{<a href="http://dblp.uni-trier.de/db/about/bibtex.html">DBLP</a>:journals/pvldb/KhoussainovaBS12,
  author    = {Nodira Khoussainova and
               Magdalena Balazinska and
               Dan Suciu},
  title     = {PerfXplain: Debugging MapReduce Job Performance},
  journal   = {PVLDB},
  volume    = {5},
  number    = {7},
  year      = {2012},
  pages     = {598-609},
  ee        = {http://vldb.org/pvldb/vol5/p598_nodirakhoussainova_vldb2012.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}