Reference:

Gayle Leen, Jaakko Peltonen, and Samuel Kaski. Focused multi-task learning using Gaussian processes. In Dimitrios Gunopulos, Thomas Hofmann, Donato Malerba, and Michalis Vazirgiannis, editors, Machine Learning and Knowledge Discovery in Databases (Proceedings of ECML PKDD 2011), Part II, pages 310–325. Springer Berlin / Heidelberg, 2011. Best Paper Award in Machine Learning.

Suggested BibTeX entry:

@inproceedings{Leen11,
    author = {Gayle Leen and Jaakko Peltonen and Samuel Kaski},
    booktitle = {Machine Learning and Knowledge Discovery in Databases (Proceedings of {ECML} {PKDD} 2011), Part II},
    editor = {Dimitrios Gunopulos and Thomas Hofmann and Donato Malerba and Michalis Vazirgiannis},
    language = {eng},
    note = {Best Paper Award in Machine Learning},
    pages = {310-325},
    publisher = {Springer Berlin / Heidelberg},
    title = {Focused Multi-task Learning Using {G}aussian Processes},
    year = {2011},
}