@inproceedings{DOT*12,
  title = "{NYAYA}: a System Supporting the Uniform Management of Large Sets of Semantic Data",
  author = "Roberto de Virgilio and Giorgio Orsi and Letizia Tanca and Riccardo Torlone",
  year = "2012",
  booktitle = "Proc. of ICDE",
  note = "to appear",
}