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Hierarchical Portfolios in Recommender Ecosystems: Multi-level aggregations of heterogeneous ensembles integrating long-term and short-term motivations.
Stepán Balcar
Ladislav Peska
Peter Vojtás
Published in:
ICCAI (2022)
Keyphrases
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long term and short term
collaborative filtering
multi layer
recommender systems
ensemble methods
transaction costs
neural network
multiscale
hierarchical clustering
real world
information systems
decision trees
data structure
ensemble selection