@article{avietnameseinformationretrievalsystemfor,
  title = {A Vietnamese information retrieval system for product-price},
  author = {Tien-Thanh Vu and Dat Quoc Nguyen},
  year = {2019},
  eprint = {1911.11623},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.11623v1},
}