@proceedings{DeRBesEtAl:2012:582620,
    author = {Luc De Raedt and Christian Bessiere and Didier Dubois and Patrick Doherty and Paolo Frasconi and Fredrik Heintz and Peter Lucas},
    title = {{Proceedings of the 20th European Conference on Artificial Intelligence (ECAI)}},
    year = {2012},
    series = {Frontiers in Artificial Intelligence and Applications},
    volume = {242},
    publisher = {IOS Press},
    isbn = {978-1-61499-097-0},
    issn = {0922-6389},
}

@proceedings{KofHeiHel:2011:463628,
    author = {Anders Kofod-Peteresen and Fredrik Heintz and Langseth Helge},
    title = {{Elevent Scandinavian Conference on Artifical Intelligence SCAI 2011}},
    year = {2011},
    series = {Frontiers in Artificial Intelligence and Applications},
    volume = {227},
    publisher = {IOS Press},
    isbn = {978-1-60750-753-6},
    issn = {0922-6389},
}

@proceedings{HeiKva:2009:246141,
    author = {Fredrik Heintz and Jonas Kvarnstr\"om},
    title = {{Proceedings of the Swedish AI Society Workshop 2009}},
    year = {2009},
    series = {Link\"oping Electronic Conference Proceedings},
    volume = {35},
    publisher = {Link\"oping University Electronic Press, Link\"opings universitet},
    issn = {1650-3686},
}