@techreport{ pqastr07,
  author = {Arnold Binas and Sheila A. McIlraith},
  url = {pqastr.pdf},
  title = {Distributed Query Answering in Peer-to-peer Reasoning Systems},
  opttype = {Technical Reports},
  year = {2007},
  institution = {Department of Computer Science, University of Toronto}
}