language:en language:de language:fr language:es language:nl language:cmn language:ja language:yue language:et language:hr language:da language:eu language:hu language:tr language:fa language:is language:id language:ga language:cy language:ko language:sv language:nb language:qu language:ca language:it language:pt language:ro language:pl size_categories:10M<n<100M format:csv modality:tabular modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2504.03036 arxiv:2504.03338 region:us language modeling cognitive modeling