The replication shows that log-odds ratio, grammatical, and positional features improve keyphrase extraction, but annotators favor the rarest terms over mid-frequency ones.
Google Web 1T 5-grams Made Easy (but Not for the Computer)
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Replication of the Keyword Extraction part of the paper "'Without the Clutter of Unimportant Words': Descriptive Keyphrases for Text Visualization"
The replication shows that log-odds ratio, grammatical, and positional features improve keyphrase extraction, but annotators favor the rarest terms over mid-frequency ones.