I want Extractor to generate exactly N highlights (key sentences). I know that I can set the number of key phrases, but how do I set the number of highlights?
Extractor currently allows the user to specify from 3 to 30 key phrases (key concepts). If you have set the highlight type to allow duplicates, then the number of highlights (key sentences) will be the same as the specified number of key phrases. For each key phrase, there will be a matching highlight, showing the key phrase in context. (There might be fewer highlights than key phrases, if Extractor was not able to find a good highlight for a certain key phrase.) However, if you set the highlight type to remove duplicates, then there will usually be fewer highlights than key phrases (because two or more different key phrases may be best illustrated by the same key sentence). On average, when duplicate highlights are removed, if you specify K key phrases, then you will get approximately N = 0.6 × K highlights.
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