- Sustainable Questions: Determining the Expiration Date of Answers
- SIGIR 2012 Workshop on Time-aware Information Access: #TAIA2012
- Book/source title
- SIGIR 2012 Workshop on Time-aware Information Access: #TAIA2012. Accepted papers
- Microsoft Research
- Document type
- Conference contribution
- Faculty of Science (FNWI)
- Informatics Institute (IVI)
Community question answering platforms have large repositories of already answered questions. Reusing these answers for new questions is tempting. However, not all stored answers will still be relevant. In this study, we define a new and challenging problem concerning the sustainability of questions and answers, and present metrics aimed at distinguishing between sustainable and unsustain- able questions. We find that an intuitive approach to sustainability of questions is not sufficient, but that simple properties can already distinguish between sustainable questions and others.
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