A short manual to Stock Owl

Hi,

This is short manual for Stock Owl service. Stock Owl is stock news aggregator who utilises neural network for categorising news sentiment. Scale for sentiments is from -1 (negative) to 1 (positive).

Header
Top left: Shows how many votes you have given in this session. You vote by giving "Negative", "Neutral" or "Positive" vote for each news article. Votes are reseted when you close your browser.

Top center: Shows average sentiment for news for given timeline (see Select timeline selection box) and category (see Select category selection box). If nothing is selected, sentiment is calculated from all news. If i.e. Nokia is selected, sentiment is calculated for Nokia. Others sentiment are calculated from users votes. Owls sentiment is calculated from neural networks classified news. Three different algorithms are used (naive bayes, logistic regression and linear svc) and their average is calculated.

Home - goes to start page
Blog - goes here
TOP - goes to statistics page. You can change the timeline

Select category - you can go to stock specific page
Select timeline - you can change timeline. Calculated average sentiment changes accordingly.

Center
Shows the news (updated every 15 min): header (opens article in new window), content, source, timestamp, which company it handles, how many times it has been clicked
Buttons are used for voting: if you think this article has negative affect on subject, please click on red button etc. This information is used for training the neural network: it should mimic the judgment of masses. Others or neural network sentiment is not shown before voting, because it might affect your sentiment. You can vote only once.

Once you have chosen the company, you can see some statistics. First chart shows price and volume (delayed by 1 day). Second chart shows interest and sentiment daily (updated every 15 min). Third chart is embed from Google (it doesn't always show up). It shows search interest towards company name.

Select timeline - you can change timeline. Calculated average sentiment changes accordingly.

Footer is used for changing pages