The last two sentences in the first paragraph in 6. Overview need to be rewritten. "Datasets that are a member of a Dataset Series have additional constraints beyond those applicable for Dataset. These constraints are expressed in the class Dataset member of Dataset Series."
The last two sentences in the first paragraph in 6. Overview need to be rewritten. "Datasets that are a member of a Dataset Series have additional constraints beyond those applicable for Dataset. These constraints are expressed in the class Dataset member of Dataset Series."