Datasets are a collection of files with the same schema that reside in
a storage. kartothek offers a metadata definition to handle these datasets
efficiently. In addition, the kartothek.io module provides building
blocks to create and modify these datasets. Handling of I/O, tracking of
dataset partitions and selecting subsets of data are handled transparently.
A Kartothek (or more modern: Zettelkasten/Katalogkasten) is a tool to organize (high-level) information extracted from a source of information.