To cite package ‘openNLP’ in publications use:

Hornik K (2026). openNLP: Apache OpenNLP Tools Interface. R package version 0.2-8, https://CRAN.R-project.org/package=openNLP.

Corresponding BibTeX entry:

  @Manual{,
    title = {openNLP: Apache OpenNLP Tools Interface},
    author = {Kurt Hornik},
    year = {2026},
    note = {R package version 0.2-8},
    url = {https://CRAN.R-project.org/package=openNLP},
  }