Abstract: Big techs and researchers increasingly claim that their training datasets are too large to inspect for bias and ethical problems. However, in the race to build ever-large models, they have relied on automated web scraping and no human curation. Datasets built this way absorb the stereotypes, exclusionary norms, and historical prejudices of their sources, and the models trained on them can reproduce and amplify those patterns. Because manually auditing billions of samples is humanly impossible, we need practical, effective methods to identify biases in these datasets. This paper studies the feasibility of ethically auditing large datasets through small samples and proposes a practical method for identifying structural biases by applying AI Ethics Tools (AIETs) to random samples. We applied Datasheets for Datasets, Data Statements, Data Nutrition Labels, and Data Cards to a 1% sample of Framed Multi30K, and Datasheets for Datasets to two 0.00006% samples of relaion2B-en-research-safe. Our results show that evaluating small samples with AIETs can reveal ethical problems, structural biases, and technical inconsistencies. Although industry practice assumes that identifying problems requires analyzing the entire dataset, we show that a random subset supports a viable qualitative analysis without overwhelming computational or human resources. Demonstrating that a dataset is biased does not require examining every instance: if a bias appears in a random sample, it is a flaw of the creation process. The AIETs' questions acted as provocateurs, evoking different perspectives and analysis methods for the same dataset, but the analysis and its results depended fundamentally on the human factor. We hope these findings contribute to urgent public discussions about ethics, transparency, accountability, and AI regulation by offering a practical pathway for responsibly auditing massive datasets.
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Too Big to Inspect? Ethically Auditing Large Datasets Through Small Samples
