A Primal-Dual Algorithm for Group Sparse Regularization with Overlapping Groups.
Sofia MosciSilvia VillaAlessandro VerriLorenzo RosascoPublished in: NIPS (2010)
Keyphrases
- group members
- group membership
- mixed norm
- group interaction
- group dynamics
- group formation
- group level
- sparsity regularization
- structured sparsity
- sparse data
- rank minimization
- communities in social networks
- similar objects
- high dimensional
- group cognition
- kernel matrices
- prior information
- social skills
- sparse approximation
- social groups
- sparse matrix
- individual level
- collaborative learning