Name | Year | Multi-task Strategy | Solver | Dimension Reduction | Side-information | Regularizer |
---|---|---|---|---|---|---|
mt-LMNN | 2010 | Shared composition | Projected gradient descent | No | Triplets | Frobenius norm |
TML | 2010 | Task relationship learning | Alternating Optimization | No | Pairs | Task covariance |
mtMLCS | 2011 | Shared subspace | Gradient descent | Yes | Triplets | - |
M2SL | 2012 | Shared composition | Coordinate gradient descent | No | Pairs | Frobenius norm |
GPmtML | 2012 | Geometry preserving | Alternating optimization | No | Triplets | Von Neumann divergence |
mt-SCML | 2014 | Shared sparse representation | Regularized dual averaging | Yes | Triplets | ℓ2/ℓ1 norm |
MtMCML | 2014 | Graph regularization | Alternating optimization | No | Pairs | Laplacian |
TMTL | 2015 | Metric weighted sum | Direct calculation | No | Covariance | - |
online-SMDM | 2016 | Shared composition | Online projected gradient descent | No | Pairs | Frobenius norm |
CP-mtML | 2016 | Coupled projection | Stochastic gradient projection | Yes | Pairs | - |
DMML | 2016 | Shared subnetwork | Sub-gradient descent | No | Pairs | - |
HMML | 2017 | Shared composition | Not mentioned | No | Triplets | Trace norm |
mtDCML | 2017 | Shared network | Gradient descent | No | Pairs | - |