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"Trending Now" weirdness

The topics that are showing up in "Trending Now" on the San Francisco board seem totally random and inappropriate. For example, this one with six posts from 2004:

http://chowhound.chow.com/topics/32595

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  1. Trending now is based on recent recommendations. It looks like someone recently recommended a post in that thread. If recommend is not being used much in general on the SF board, that might be enough to bump it into the list.

    4 Replies
    1. re: Jacquilynne

      I think there's a bug, the little yellow highlight in the "Trending Now" list showed 5 but there was only one "recommend."

      They should revise that algorithm. It's ridiculous for one "recommend" on a topic that had few posts in the first place and none for nine years should be flagged as "trending" when there are topics on the board with ten or more posts in the past day.

      1. re: Robert Lauriston

        The little yellow highlight is the number of replies, not a number of recommends.

        1. re: Jacquilynne

          That's a really ill-conceived algorithm, then. "Trending" should indicate significant recent activity.

          A reasonable algorithm would filter out anything where there was not recent activity by at least, say, three different users. A single "recommend" bumping a topic into the trending list is inviting spam.

          1. re: Robert Lauriston

            <A single "recommend" bumping a topic into the trending list is inviting spam.>

            How?

    2. Here's a standout example of how screwy this is. This topic is #3 on the SF "trending now" list:

      http://chowhound.chow.com/topics/919996

      It has only two recommendations and the most recent post was last month.

      1 Reply
      1. re: Robert Lauriston

        Last month I reported a "discussion you might like" list that included one of the Indian matchmaking spam posts which had already been removed. My advice? Ignore everything on the right side of the page! ;-)

      2. Most ridiculous false "trending now" yet:

        http://chowhound.chow.com/topics/18539

        Most posts from 2002, last post 2006, one single "recommendation."

        Please take that misleading piece of garbage off the page template.

        3 Replies
        1. re: Robert Lauriston

          On this board, one of the "trending" threads is two days old and has one reply - from the OP. I have concluded that occasionally talking to oneself is now a trend.

          1. re: small h

            Gosh, and here I've been doing that for years already :).

        2. Hey, looks like you finally fixed that. Good work.

          1. I'm not sure this is going to help, but I could have sworn I saw; "Trending Now.......Bell-Bottoms & The Bee Gees"

            No idea what that was all about.