Papadakos, P., Theoharis, Y., Marketakis, Y., Armenatzoglou, N. and Tzitzikas, Y., 2009. Object-relational database representations for text indexing. arXiv preprint arXiv:0906.3112.

@article{papadakos2009object,
  title={Object-relational database representations for text indexing},
  author={Papadakos, Panagiotis and Theoharis, Yannis and Marketakis, Yannis and Armenatzoglou, Nikos and Tzitzikas, Yannis},
  journal={arXiv preprint arXiv:0906.3112},
  year={2009}
}