Dataset Groups Activity Stream UNK-VQA The UNK-VQA dataset is a dataset for evaluating the ability of large language models to answer questions when the answer is unknown. BibTex: @dataset{Chongyan_Chen_and_Samreen_Anjum_and_Danna_Gurari_2025, abstract = {The UNK-VQA dataset is a dataset for evaluating the ability of large language models to answer questions when the answer is unknown.}, author = {Chongyan Chen and Samreen Anjum and Danna Gurari}, doi = {10.57702/rqr0zy19}, institution = {No Organization}, keyword = {'large language models', 'question answering', 'uncertainty estimation'}, month = {jan}, publisher = {TIB}, title = {UNK-VQA}, url = {https://service.tib.eu/ldmservice/dataset/unk-vqa}, year = {2025} }