Every day, a multitude of people express their opinions regarding diverse entities, such as services, places and products, in blogs (e.g., The BBC “Have Your Say” Blog), online forums (e.g., slashdot.org) and review sites (e.g., www.amazon.com). This constantly growing availability of opinionated content has created massive amounts of extremely valuable information. Currently, search engines ar...

Telephone surveys are often used by Customer Services to evaluate their clients’ satisfaction and to improve their services. Large amounts of data are collected to observe the evolution of customers’ opinions. Within this context, the automatization of the process of these databases becomes a crucial issue. This paper addresses the automatic analysis of audio messages where customers are asked ...

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 such as online review sites and personal blogs, new opportunities and challenges arise as people now can, and do, actively use information technologies to seek out and understand the opinions of others. The sudden eru...

Sentiment analysis and opinion mining is the field of study that analyzes people's opinions, sentiments, evaluations, attitudes, and emotions from written language. It is one of the most active research areas in natural language processing and is also widely studied in data mining, Web mining, and text mining. In fact, this research has spread outside of computer science to the management scien...

The important part to gather the information is always seems as what the people think. The growing availability of opinion rich resources like online review sites and blogs arises as people can easily seek out and understand the opinions of others. Users express their views and opinions regarding products and services. These opinions are subjective information which represents user’s sentiments...

METHODS Students attending five different types of high schools in central Elazig (a city in Turkey) during the 2009-2010 school year constitute the study population. One class was randomly selected from each high school. Out of 650 students, 640 participated in the study. The data were evaluated by using the SPSS program; percentage, mean, and chi-square analyses were used. FINDINGS Of all t...

A million number of reviews and opinions about any aspect are being posted in numerous blogs, forums, and online sites. This enormous information on worldwide network platforms make them feasible and can be used as source, in applications based on opinion mining and review analysis. The aim of this paper is to discover opinions from online reviews and managing risk in future. Our proposed metho...

This paper discovers rules for enhancing the recall values of sentences containing opinions from customer review documents. It does so by mining the features and opinion from different blogs, news site, and review sites. With the advent of numerous web sites which are posting online reviews and opinion there has been exponential growth of user generated contents. Since almost all the contents a...