@inproceedings{textsummarizationmodelbasedonredundancy,
  title = {Text Summarization Model based on Redundancy-Constrained Knapsack Problem},
  author = {Hitoshi Nishikawa and Tsutomu Hirao and Toshiro Makino and Yoshihiro Matsuo},
  year = {2012},
  booktitle = {COLING 2012 12},
  url = {https://aclanthology.org/C12-2087},
}