@article{longsumevalquestionansweringbasedevaluat,
  title = {LongSumEval: Question-Answering Based Evaluation and Feedback-Driven Refinement for Long Document Summarization},
  author = {Huyen Nguyen and Haoxuan Zhang and Yang Zhang and Junhua Ding and Haihua Chen},
  year = {2026},
  eprint = {2604.25130},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.25130},
}