Reference:

Antti Ajanki, David Hardoon, Samuel Kaski, Kai Puolamäki, and John Shawe-Taylor. Can eyes reveal interest? Implicit queries from gaze patterns. User Modeling and User-Adapted Interaction, 19(4):307–339, 2009.

Suggested BibTeX entry:

@article{Ajanki09,
    author = {Antti Ajanki and David Hardoon and Samuel Kaski and Kai Puolam\"aki and John Shawe-Taylor},
    journal = {User Modeling and User-Adapted Interaction},
    number = {4},
    pages = {307--339},
    title = {Can Eyes Reveal Interest? {I}mplicit Queries from Gaze Patterns},
    volume = {19},
    year = {2009},
}