sentiment analysis

Sentiment Analysis: what it is and how to do it!

As we described in a previous post, sentiment analysis (also known as opinion mining) in SAM is dealing with the automatic detection and classification of opinions expressed in text written by humans. In this task, we try to achieve two goals: first, we try to automatically detect the sentiment polarity expressed […]

By |May 19th, 2015|Context Awareness, Second Screen|Comments Off on Sentiment Analysis: what it is and how to do it!

SAM and Business Intelligence

The concepts of “Business Intelligence” (BI) and “Business Analytics” have been defined in many ways, from being interchangeable, to contrasting, to overlapping. A suitable definition in the context of this article was given by Howard Dresner (Gartner Group analyst) who proposed that the term “Business Intelligence” may be understood as an […]

By |January 27th, 2015|Second Screen, Social Media|Comments Off on SAM and Business Intelligence

The State of the Art of Dialogue Systems

What is a dialogue system?

One of the stated goals of SAM is “to create advanced interaction means with 2nd Screen social media by using state-of-the-art voice recognition techniques…” More precisely, the goal is to enable spoken interaction with 2nd Screen social media. Dialogue systems (also known as voice interaction systems or voice-based user interfaces, […]

By |October 22nd, 2014|Voice Recognition|Comments Off on The State of the Art of Dialogue Systems

Opinion Mining: the Holy Grail of Social Media

Opinions play a key role in decision-making processes. When we choose a product or service, we are usually influenced by the views of others. Traditionally we relied on previous experiences of family members, friends and colleagues in order to make better purchase decisions. In the era of Social Media, there are […]

By |July 23rd, 2014|Content Syndication, Opinion Mining, Second Screen, Social Media|Comments Off on Opinion Mining: the Holy Grail of Social Media