Paper: Opinion and Generic Question Answering Systems: a Performance Analysis

ACL ID P09-2040
Title Opinion and Generic Question Answering Systems: a Performance Analysis
Venue Annual Meeting of the Association of Computational Linguistics
Session Short Paper
Year 2009
Authors

The importance of the new textual genres such as blogs or forum entries is growing in parallel with the evolution of the Social Web. This pa- per presents two corpora of blog posts in Eng- lish and in Spanish, annotated according to the EmotiBlog annotation scheme. Furthermore, we created 20 factual and opinionated ques- tions for each language and also the Gold Standard for their answers in the corpus. The purpose of our work is to study the challenges involved in a mixed fact and opinion question answering setting by comparing the perform- ance of two Question Answering (QA) sys- tems as far as mixed opinion and factual set- ting is concerned. The first one is open do- main, while the second one is opinion- oriented. We evaluate separately the two sys- tems in both languages and...