Sangita Pokhrel and Nalinda Somasiri and Rebecca Jeyavadhanam and Swathi Ganesan, Web Data Scraping Technology Using Term Frequency Inverse Document Frequency to Enhance the Big Data Quality on Sentiment Analysis. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2023, vol. 203(11). 300 - 307 [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013373.