Firehose lets Google Buzz build its own Trending Topics

Google has launched a “firehose” feature that will allow developers to tap into the hot topics of conversation on Google Buzz.

Firehose lets Google Buzz build its own Trending Topics

The tool means developers can now log all public activity on Buzz from a single feed published in real time. Google claims the feature could be used by applications, such as Buzz Mood, to capture a flavour of “Buzzes” and build a picture of the web’s hottest topics, in a similar fashion to Twitter’s Trending Topics facility.

“We’re launching the Google Buzz firehose, which makes all public activities available as they are published with a single subscription, thanks to syndication via PubSubHubbub,” Google said in its code blog.

“Buzz Mood is an App Engine app inspired by Twistori. By scanning for posts that contain certain keywords, this can give us a sense for the mood across all of Google Buzz.”

Other developers are already rolling out services that make use of the firehose tool, including OneRiot, which said it would help content providers and ad agencies flag-up relevant trends.

“Demand-based media companies use our Trending Topics to inform editorial directions (we can tell them what’s going to be hot before it’s hot),” according to Tobias Peggs on OneRiot’s blog.

“Our Trending Topics Engine finds hot topics by analysing the real-time conversations across Twitter, Facebook, MySpace, Digg, and now Google Buzz! The addition of Google Buzz delivers a whole new set of conversations for us to process.”

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