Ricerc@Sapienza

The assessment of the perceived risk by people is extremely important for security management. Each person relies on other people's opinion to make a choice and the Internet is where these opinions are mostly researched, found and reviewed. For this reason, opinion mining and sentiment analysis represents relevant fields of study. One of their most innovative applications is in the field of public security: in this case security managers can use people's expressed perceptions to discover unforeseen and potential weak points.

The assessment of perceived risk by people is extremely important for safety and security management. Each person is based on the opinion of others to make a choice and the Internet represents the place where these opinions are mostly researched, found and reviewed. Social networks have a decisive impact: 92% of consumers say they have more trust in social media reviews than in any other form of advertising.