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Posts Tagged ‘Google’

A Sentimental Look at SXSW

by March 21, 2011

 

sxsw-banner South by Southwest (SXSW) is the annual opportunity for startups across art and technology to prove themselves or, more often than not, generate buzz in the attempt. Whether you’re checking out the latest surf rock 3-piece or organizing drinks via group text, SXSW generates chatter – and a lot of it.

We couldn’t resist the lure of participation, albeit from across the country, so we decided to turn our developing Pulse technology, for analyzing social sentiment, on the interactive portion of the event. We focused on something a little different, though…

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Digging into the South-by-Southwest (SXSW) Twitter Traffic on Apple & Google

by March 16, 2011

ssGiven we couldn’t be at South by Southwest (SXSW) this year, we thought it would be interesting to apply our developing Pulse technology to the Twitter chatter connected with the event. Pulse represents our approach to sifting out interesting information from social media dialogue. Our first major application has been in the area of weather mood, a pilot study of which is chronicled here.

The quick overview is that we leverage the power of the crowd using CrowdFlower’s platform to extract a high-quality, nuanced understanding of sentiment from Twitter tweets. Prior to going to the crowd, we develop a strategy to create a survey that we can give to crowd-based workers so that they can make reliable judgments about author sentiment. We then collect a bunch of relevant tweets, do some pre-processing to limit the size of the sentiment coding job sent to the crowd, do some preliminary rounds of coding to ensure quality control, and then run a coding job on a large number of tweets. (more…)

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