
Chapter 6
Sentiment Classification and Visualization of
Product Review Data
Alexander Piazza
Institute of Information Systems, Friedrich-Alexander-University Erlangen-Nuremberg,
Germany
Pavlina Davcheva
Institute of Information Systems, Friedrich-Alexander-University Erlangen-Nuremberg,
Germany
Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Used Libraries . . . . . . . . . . . . . . . . .