@inproceedings{daniel-etal-2003-sub,
    title = "Sub-event based multi-document summarization",
    author = "Daniel, Naomi  and
      Radev, Dragomir  and
      Allison, Timothy",
    booktitle = "Proceedings of the {HLT}-{NAACL} 03 Text Summarization Workshop",
    year = "2003",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/W03-0502/",
    pages = "9--16"
}