HalluTruthQA-4K is the official data release for Subtask 2.2 ("Hallucination Detection and Find the Truth") of the HalluScoring 2026 shared task, hosted at ArabicNLP 2026. It extends the HalluTruthQA benchmark from 2,400 to 4,000 expert-annotated Arabic question-answering instances across four knowledge-intensive domains.
The full corpus is 4,000 Arabic question-answering instances, exactly balanced across four domains (1,000… See the full description on the dataset page:
https://huggingface.co/datasets/Bekhouche/HalluTruthQA-4K.