This chapter is an in-depth description of the applications for which information about negation and speculation has proven to be useful. It presents several examples of tasks where accurate negation or speculation identification improves the results of the task in question, from information extraction to other less usual ones such as text watermarking detection.
Article outline
- 4.1Information extraction
- 4.2Sentiment analysis and opinion mining
- 4.3Recognising textual entailment
- 4.4Machine translation
- 4.5Information retrieval
- 4.6Other tasks
- 4.7Conclusions and chapter summary
- 4.8Further reading and relevant resources
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Note
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Suggestions for further reading