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KEA: practical automatic keyphrase extraction
Open accessAbstract
Keyphrases provide semantic metadata that summarize and characterize documents. This paper describes Kea, an algorithm for automatically extracting keyphrases from text. Kea identifies candidate keyphrases using lexical methods, calculates feature values for each candidate, and uses a machinelearning algorithm to predict which candidates are good keyphrases. The machine learning scheme first builds a prediction model using training documents with known keyphrases, and then uses the model to find keyphrases in new documents. We use a large test corpus to evaluate Kea’s effectiveness in terms of how many author-assigned keyphrases are correctly identified. The system is simple, robust, and publicly available.
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Self-citationYAKE! Keyword extraction from single documents using multiple local features
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Metadata
- Authors
- Witten, I. H., Paynter, G. W., Frank, E., Gutwin, C., & Nevill-Manning, C. G.
- Venue
- Proceedings of the fourth ACM conference on Digital libraries
- Publisher
- ACM
- Published
- 1999-08
- Pages
- 254-255
- OpenAlex
- W2060772621
- Cited by
- 859
- References
- 0
- Type
- conference paper
- Language
- en
- Open access
- gold
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- CoChat. (2026). Citation check: KEA: practical automatic keyphrase extraction. https://app.cochat.ai/papers/10.1145/313238.313437
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- Witten, I. H., Paynter, G. W., Frank, E., Gutwin, C., & Nevill-Manning, C. G. (1999). KEA: practical automatic keyphrase extraction. Proceedings of the fourth ACM conference on Digital libraries. https://doi.org/10.1145/313238.313437
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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
