@article{DBLP:journals/tplp/FandinnoS19,
  author = {Fandinno, Jorge and Schulz, Claudia},
  title = {Answering the "why" in answer set programming - {A} survey of explanation approaches},
  journal = {{TPLP}},
  volume = {19},
  number = {2},
  pages = {114--203},
  year = {2019}
}