With more and more teaching learning activities being shifted to online mode, the education
system has seen a drastic paradigm shift in the recent times. Learner opinion has emerged …

In the last few years there has been a fast growing up of the use of Chatbots in various fields,
such as Health Care, Marketing, Educational, Supporting Systems, Cultural Heritage …

Along with the growth of Internet with its numerous potential applications and diverse fields,
artificial intelligence (AI) and sentiment analysis (SA) have become significant and popular …

In the world of Big Data, a tool capable of filtering data and providing choice support is
crucial. Recommender Systems have this aim. These have evolved further through the use …

The analysis of students' feedback written in natural language has been poorly considered
in academic institutions, looking more frequently at students' ratings as a base to evaluate …

An education system consists of imparting knowledge, assessing the learners, collecting
feedback, analysing it, and taking proper measures to improve it. All these measures …

Computational intelligence approaches have proven to be effective in enhancing online
learning systems. Although many studies have been conducted to reveal the learners' …

Given the current and increasing relevance of research aimed towards the optimization of
teaching and learning experiences in online Education, a plethora of studies regarding the …