Signals uses proprietary NLP and Text Mining technology, including Hidden Markov Model and Deep Learning (RNN), opinion analysis, and statistical analysis to assess sentiment across all 24 supported languages. Sentiment is calculated on multiple levels, leveraging part-of-speech identification to build dynamic sentiment scores. To name a few, we support English, Spanish, Chinese, Japanese, Italian, French, German and Portuguese. We continuously add additional language capabilities so please contact us if you are interested in capabilities for a particular language. Signals provides an intuitive visual feedback loop within the UI to set or tune sentiments specific to product, industry or speciality.  

More to read on "How's Signals Processing Textual Data?"