a great paper on this is Friedman's "gradient boosting machine" paper, where he shows how the boosting idea can be generalised to support a range of different l

a great paper on this is Friedman's "gradient boosting machine" paper, where he shows how the boosting idea can be generalised to support a range of different loss functions and underlying approximation schemes (especially trees). "Greedy function approximation: a gradient boosting machine" - JH Friedman