A dataset formatted in a first format is generated, wherein the dataset formatted in the first format includes at least a plurality of data elements that comprise data. A selection is made of machine learning framework, wherein the machine learning framework operates on datasets formatted in a second format that is different from the first format. The dataset is converted from the first format to the second format and links are generated from the converted dataset formatted in the second format to the plurality of data elements of the dataset formatted in the first format to avoid creating additional copies of the plurality of data elements.