Sentiment Mapping

Can Twitter country us how people are feeling only about the world? GeoMood thinks so.

The application analyses geo-tagged Tweets only about the the world using the AFINN-111 give-and-take list. The AFINN listing contains 2,477 words together with phrases inwards the English linguistic communication language which are used to limited sentiment, each give-and-take / phrase rated for the reckon expressed.

The AFINN ratings are used yesteryear GeoMood to assign a positive or negative reckon to Twitter messages. The messages are hence added to the map alongside a colored mark (green positive sentiments - blood-red negative sentiments). The map sidebar includes a running reckon tracker which keeps an overall positive / minus score of the amount full of sentiments expressed inwards all the tracked Tweets.


Twitter is a dandy resources for researching linguistic communication travel together with people's moods. The Geography of Hate, yesteryear physician Monica Stephens of Humboldt State University, is ane of the best examples of a map which analyses Twitter messages to position specific sentiments.

The Geography of Hate map shows the fossil oil location of every geocoded tweet inwards the United States, from June 2012 - Apr 2013, which contained ane or to a greater extent than of x 'hate words'. Users of the map tin dismiss reckon 3 dissimilar estrus maps, ane for homophobic tweets, ane for racist tweets together with ane for anti-diasablity tweets. The user tin dismiss every bit good reckon private estrus maps for whatever ane of the x offensive words.


London Feels is a map visualizing how Londoners experience based on their Twitter messages. The map shows the location of Twitter messages within the M25 which comprise a release of primal words indicating some sort of reckon (e.g. 'terrible', 'bad', 'good', 'awesome' etc).

Positive tweets are shown on the map inwards blue, negative tweets shown inwards blood-red together with average feeling tweets are shown inwards purple. Unlike The Geography of Hate map at that spot is no human analysis of the Twitter messages. Therefore the map champaign shows a lot of messages where people are expressing a sentence upon something rather than a reckon close their ain lay down of existence (e.g. 'that motion-picture demo is terrible').


H5N1 to a greater extent than scientific approach is taken by Mappiness. Two academics at the London School of Economics are carrying out query into how the environs affects people's happiness. To tending them get together the information for this query they launched an iPhone app to rail how people are feeling.

If yous download the app yous volition have a notification betwixt ane together with 5 times a day. The notification volition enquire yous to opened upwards the app, briefly written report how you're feeling together with who you're with, where yous are, together with what you're doing. If you're outdoors together with you're happy, you'll every bit good endure asked to conduct hold a photograph of your surroundings.

Anyone tin dismiss continue an middle on the query existence gathered yesteryear checking out the Mappiness Google Map. The map shows the outdoor places where Mappiness users conduct hold most latterly reported feeling happy. If yous click on an information window yous tin dismiss every bit good reckon the photograph taken at that happy moment.