2021
DOI: 10.1007/978-3-030-86523-8_16
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Hyper-parameter Optimization for Latent Spaces

Abstract: We present an online optimization method for time-evolving data streams that can automatically adapt the hyper-parameters of an embedding model. More specifically, we employ the Nelder-Mead algorithm, which uses a set of heuristics to produce and exploit several potentially good configurations, from which the best one is selected and deployed. This step is repeated whenever the distribution of the data is changing. We evaluate our approach on streams of real-world as well as synthetic data, where the latter is… Show more

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Cited by 2 publications
(1 citation statement)
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“…The results presented in [7], [8] corroborate the importance of hyperparameter optimization in recommender systems. Some works in the literature suggest algorithms to address this problem, such as 1)Random search [9], 2)Gradient Search [10], 3)Bayesian Optimization, and Online Optimization [11].…”
Section: Introductionmentioning
confidence: 99%
“…The results presented in [7], [8] corroborate the importance of hyperparameter optimization in recommender systems. Some works in the literature suggest algorithms to address this problem, such as 1)Random search [9], 2)Gradient Search [10], 3)Bayesian Optimization, and Online Optimization [11].…”
Section: Introductionmentioning
confidence: 99%