@article{article, title = {{Sentiment analysis: A combined approach}}, publisher = {{Elsevier BV}}, url = {{http://dx.doi.org/10.1016/j.joi.2009.01.003 }}, year = {{2009}}, month = {{1}}, author = {{Prabowo R and Thelwall M}}, doi = {{10.1016/j.joi.2009.01.003}}, volume = {{3}}, journal = {{Journal of Informetrics}}, issue = {{2}}, pages = {{143-157}}, note = {{Accessed on 2024/12/28}}}