| 摘要 |
The invention relates to a method for identifying obsolete discussion threads. The method includes extracting keywords from a discussion thread and assigning a keyword score to each keyword. The method further includes identifying a change event that is a change affecting a topic of the forum, extracting a keyword from a recorded medium recording the change event, comparing the keyword from the recorded medium with the keywords from the discussion thread to identify a matching keyword, and reducing the keyword score of the matching keyword to a reduced score based on the matching keyword matching the keyword from the recorded medium. The method further includes aggregating the keyword score assigned to each keyword to obtain a total score for the discussion thread, and displaying a warning on a user interface that includes the discussion thread when the total score is below a pre-specified threshold.
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