@inproceedings{huang-etal-2008-analysis,
    title = "Analysis of Intention in Dialogues Using Category Trees and Its Application to Advertisement Recommendation",
    author = "Huang, Hung-Chi  and
      Chen, Hsin-Hsi  and
      Lin, Ming-Shun",
    booktitle = "Proceedings of the Third International Joint Conference on Natural Language Processing: Volume-{II}",
    year = "2008",
    url = "https://preview.aclanthology.org/ingest-emnlp/I08-2083/"
}