Feature-Based Opinion Summary (Hu & Liu, KDD-2004)
“I bought an iPhone a few days ago. It was such a nice phone. The touch screen was really cool. The voice quality was clear too. Although the battery life was not long, that is ok for me. However, my mother was mad with me as I did not tell her before I bought the phone. She also thought the phone was too expensive, and wanted me to return it to the shop. …”
Feature Based Summary:
Feature1: Touch screen
The touch screen was really cool.
The touch screen was so easy to use and can do amazing things.
The screen is easily scratched.
I have a lot of difficulty in removing finger marks from the touch screen.
Feature2: battery life
Note: We omit opinion holders