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Abstract:
In this work we introduced DPP-BBO, a natural and easily applicable framework for enhancing batch diversity in BBO algorithms which works in more settings than previous diversification strategies: it is directly applicable to the continuous domain case, when due to approximation and non-standard models we are unable to compute hallucinations or confidence intervals (as in the Cox process example), or more generally when used in combination with any randomized BBO sampling scheme or arbitrary diversity kernel. Moreover, for DPP-TS we show improved theoretical guarantees and strong practical performance on simple regret.
Reference:
Diversified Sampling for Batched Bayesian Optimization with Determinantal Point Processes E. Nava, M. Mutný, A. KrauseIn Proceedings of the 25th International Conference on Artificial Intelligence and Statistics (AISTATS), 2022
Bibtex Entry:
@inproceedings{Nava2022,
	author = {Elvis Nava and Mojm\'{i}r Mutn\'{y} and Andreas Krause},
	booktitle = {Proceedings of the 25th International Conference on Artificial Intelligence and Statistics (AISTATS)},
	eprint = {2110.11665},
	month = mar,
	title = {Diversified Sampling for Batched Bayesian Optimization with Determinantal Point Processes},
	year = {2022}}