Sentiment Analysis
History
Now
Technologies
People have always talked about their experience
in the old world
Market research is...
...but very important 
...and expensive...
Market research is NOT...
...great at predicting the future...
...real time...
About
      Products
But that's the history
People still talk...
But we have a new dimension...
Discussions are still...
...between friends...
...containing sentiment information...
....BUT they are also...
......between you and people you dont know...
Reading a text and determining the sentiment is hard...
...for a human
Two humans only agree in 85% of the cases
So how good is automated sentiment?
Today: 70-80%
So is there any meaning in using it right now?
Short answer: YES!
There are different usercases and different...
Keyword
Linguistic
Semantic
            Mattias Tyrberg        
    Saplo
Twitter
Social media analysis
Media analysis
Opinion polls
Real-time
Public
Time consuming
Between friends
Automated Text Analysis
Evaluates the similarity between texts

  Tags   
Sentiment Analysis
Related Articles
language-independent technology
understands the meaning of text
more about this later
Using meaning NOT keywords
Example use
Persons
Named Entities
   Topics
Sections
Organizations
Geographic names
Economic Crisis
World cup 2010
News
Economy
Sport
Soccer
Hockey
Automated categorization
How to get started
Texts to read & sites to visit
Ney York Times:
Sentiment Analysis takes the Pulse of the internet 
Scoutlabs.com
tweetfeel.com
Media monitoring
Manual analysis
Future
Cision.com
Email or web site
Meltwater.com
Automated monitoring but mostly...
Integrated automated sentiment analysis as standard
Automated or semi-automated sentiment analysis
Scoutlabs.com
Radian6.com
            Sysomos.com
         Keyword 
Tweetfeel.com
Twendz
twendz.waggeneredstrom.com
Twitter Sentiment   
twittersentiment.appspot.com
Future
"Sentiment polls"
and the new
Companies use advertising to influence
...internet
TweetSentiments.com
History
research based
founded in 2008 by 
Mattias Tyrberg and professor Sverker Sikström 
based in Malmö, Sweden
9 persons team
Saplo.com
@Tyrberg (ENG)
@MattiasTyrberg (SWE)
Mattias@Saplo.com
+46.709.797724
Thanks
CC - Pictures
Prosto - http://www.flickr.com/photos/prosto/
Diego Silvestre - http://www.flickr.com/photos/3336/
William Murphy - http://www.flickr.com/photos/infomatique/
Zenobia Joy -http://www.flickr.com/photos/zenobia_joy/
Matthew Jetthall - http://www.flickr.com/photos/matthewjetthall/