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Towards Recency Ranking in Community Question Answering: A Case Study of Stack Overflow

In Community Question Answering, recency ranking refers to put the freshness answers with high quality in top positions of a ranking. Freshness is not related to how recent is the answer creation date, but to how up-to-date is the answer content. This is extremely important because the users need to get best answers quickly to solve their questions and, usually, they expect up-to-date solutions. In this paper, we propose a new approach to provide recency ranking in these environments and present a set of experiments that show the effectiveness of our proposal.