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In this paper, we generalize MEDAL's concepts in a new metadata model called goldMEDAL. ... However, existing metadata models are either tailored for a specific use case or insufficiently generic to manage different types of data lakes, including our previous model MEDAL. ... Moreover, exploiting a data lake and its metadata system may contribute to open data and open science. ...arXiv:2103.13155v1 fatcat:hopt3fritfcl3lfopa56am7lp4