Although opinion mining is in a nascent stage of development but still the ground is set for dense growth of researches in the field. One of the important activities of opinion mining is to extract opinions of people based on characteristics of the object under study. Feature extraction in opinion mining can be done by various ways like that of clustering, support vector machines etc. This pape...

The text documents contain opinions or sentiments on some objects, such as movie reviews, book reviews, product reviews etc. Sentiment analysis is mining the sentiment or opinion words and identification or analysis of the opinion and arguments in text. Here this paper proposed an ontology based combination approach to improve the exits approaches of sentiment classifications and to use supervi...

Opinion Mining also called as Sentiment Analysis is a process that provides with the subjective information for the text provided. In other words we can say that it analyzes person’s opinion, evaluations, emotions, appraisals, etc. towards a particular product, event, issue, service, topic, etc. This paper focuses on the machine learning techniques used for sentiment analysis and opinion mining...

Sentiment analysis (also known as opinion mining) refers to the use of natural language processing, text analysis and computational linguistics to identify and extract subjective information in source materials. Mining opinions expressed in the user generated content is a challenging yet practically very useful problem. This survey would cover various approaches and methodology used in Sentimen...

Opinion mining is a very challenging problem, since user generated content is described in various complex ways using natural language. In opinion mining, most of the researchers have worked on general domains such as electronic products, movies, and restaurants reviews but not much on health and medical domains. Patients using drugs are often looking for stories from patients like them on the ...

Opinion mining is one of the Natural Language Processing (NLP) which helps user to interact with the computer in user (i.e. natural) languages. The customer’s reviews and opinion mining has become one of the wealthily areas in data mining. Nowadays as the enormous development of using web applications and sites provides a good platform for the customers to express their opinions directly on onl...

Interest in Opinion Mining has been growing steadily in the last years, mainly because of its great number of applications and the scientific challenge it poses. Accordingly, the resources and techniques to help tackle the problem are many, and most of the latest work fuses them at some stage of the process. However, this combination is usually executed without following any defined guidelines ...

This paper focuses on tourism-related opinion mining, including tourism-related opinion detection and tourist-attraction target identification. The experimental data are blog articles labeled as being in the domestic tourism category in a blogspace. Annotators were asked to annotate the opinion polarity and the opinion target for every sentence. Different strategies and features have been propo...