Sentiment analysis is the computational examination of end user's opinion, attitudes and
emotions towards a particular topic or product. Sentiment analysis classifies the message …

Dark Web is one of the most challenging and untraceable mediums adopted by the cyber
criminals, terrorists, and state-sponsored spies to fulfil their illicit motives. Cyber-crimes …

We explore the idea of creating a classifier that can be used to detect presence of hate
speech in web discourses such as web forums and blogs. In this work, hate speech problem …

This paper presents a new method for sentiment analysis in Facebook that, starting from
messages written by users, supports:(i) to extract information about the users' sentiment …

An important part of our information-gathering behavior has always been to find out what
other people think. With the growing availability and popularity of opinion-rich resources …

The Internet is frequently used as a medium for exchange of information and opinions, as
well as propaganda dissemination. In this study the use of sentiment analysis …

Emotional distress is a prevailing complex social and publichealth problem in modern
societies. About 9.2% of people worldwide have had suicidal ideation at least once in their …

In this book common sense computing techniques are further developed and applied to
bridge the semantic gap between word-level natural language data and the concept-level …

This is an invited introduction to the first issue of the IEEE Transactions on Affective
Computing, telling personal stories and sharing viewpoints of a pioneer and visionary of the …

Chatbots are software-based systems designed to interact with humans using text-based
natural language and have attracted considerable interest in online service encounters. In …