Should the result of chi-square keyword extractor be the same as the keyword graph extractor? why should’t?
If not shouldn’t, according to what criteria choose among them?
Thank you for your question. The two nodes are based on different algorithms, as published here:
KeyGraph keyword extractor: https://ieeexplore.ieee.org/document/670375
Chi-Square keyword extractor: https://www.aaai.org/Papers/FLAIRS/2003/Flairs03-076.pdf
Best,
Jeany
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