@inproceedings{farahat-chen-2006-improving,
    title = "Improving Probabilistic Latent Semantic Analysis with Principal Component Analysis",
    author = "Farahat, Ayman  and
      Chen, Francine",
    editor = "McCarthy, Diana  and
      Wintner, Shuly",
    booktitle = "11th Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "2006",
    address = "Trento, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/E06-1014/",
    pages = "105--112"
}