Archive for July 1st, 2008

Subjectivity Analysis for Questions in QA Communities

In this paper we investigate how to automatically determine the subjectivity orientation of questions posted by real users in community question answering (CQA) portals. Subjective questions seek answers containing private states, such as personal opinion and experience. In contrast, objective questions request objective, verifiable information, often with support from reliable sources. Knowing the question orientation would be helpful not only for evaluating answers provided by users, but also for guiding the CQA engine to process questions more intelligently. Our experiments on Yahoo! Answers data show that our method exhibits promising performance.

Read the paper:

Subjectivity Analysis for Questions in QA Communities

by Baoli Li, Yandong Liu, Ashwin Ram, Ernie Garcia, Eugene Agichtein

31st Annual International ACM SIGIR Conference (ACM-SIGIR-08), Singapore, July 2008
www.cc.gatech.edu/faculty/ashwin/papers/er-08-02.pdf