An overview of temporal information extraction

K.F. Wong, Y. Xia, Wenjie Li, C. Yuan

Research output: Journal article publicationJournal articleAcademic researchpeer-review


Research of temporal Information Extraction was regarded as a subtask of named entity recognition in 1990's. To date, the scope of this research is broadened, ranging from temporal expression extraction and annotation to temporal reasoning and understanding. This area of research is now a hot NLP topic and the results are applicable to question answering, information extraction, text summarization, etc. This paper presents the past, present and future research development in temporal information extraction.
Original languageEnglish
Pages (from-to)137-152
Number of pages16
JournalInternational journal of computer processing of languages
Issue number2
Publication statusPublished - 2005


  • Temporal information extraction
  • Natural language processing
  • Computational linguistics


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