The authors aim to explore the correlation between coupon information-sharing behavior and consumer sentiment by analyzing tweets. They used Twitter application programming interface to retrieve users' tweets, and took a machine learning approach for sentiment analysis. After the data...

Purpose: Career plateau is a major concern for many seasoned employees because they often stay in the same position longer than expected and over time begin to lack job challenges. This phenomenon is now considered a normal stage in career development. The purpose of this study is to test the...

Purpose: The purpose of this paper is to identify the impact of career plateau (hierarchical and job-content plateau) on internal employability, and to investigate psychological contract breach as a moderator on the relationship between career plateau (hierarchical and job-content plateau) and...

The feasibility of biofuels (hydrogen and ethanol) production from sweet potato without any pretreatment was evaluated using response surface methodology. Batch experiments were carried out with cow dung and anaerobic sewage sludge seeds at a temperature of 35°C, pH of 4.5–8.5 and substrate...