APA (7th ed.) Citation

Ismail, B. I., & Cheah, Y. N. (2007). An Open-Domain Question Answering System Using Annotated Web Feeds.

Chicago Style (17th ed.) Citation

Ismail, Bukhary Ikhwan, and Yu N. Cheah. An Open-Domain Question Answering System Using Annotated Web Feeds. 2007.

MLA (9th ed.) Citation

Ismail, Bukhary Ikhwan, and Yu N. Cheah. An Open-Domain Question Answering System Using Annotated Web Feeds. 2007.

Warning: These citations may not always be 100% accurate.