Computer scienceData scienceNLPMain NLP tasksText summarization

Overview of text summarization

Extractive and abstractive summarization

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What is the main difference between extractive and abstractive summarization?

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Extractive system outputs can contain parapharing, which isn't the case for the abstractive approach

In abstractive systems, the outputs are not directly sourced from the input document

Extractive systems mimic the human approach to summarization, while abstractive systems can only highlight the important sentences from input

It's easier to implement abstractive systems over extractive ones

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