@article{<a href="http://dblp.uni-trier.de/db/about/bibtex.html">DBLP</a>:journals/pvldb/PawlikA11,
  author    = {Mateusz Pawlik and
               Nikolaus Augsten},
  title     = {RTED: A Robust Algorithm for the Tree Edit Distance},
  journal   = {PVLDB},
  volume    = {5},
  number    = {4},
  year      = {2011},
  pages     = {334-345},
  ee        = {http://vldb.org/pvldb/vol5/p334_mateuszpawlik_vldb2012.pdf},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}