Question Retrieval based on Community Question Answering: Baseline Selection among Retrieval Models on two Datasets

Community question answering (CQA) platforms provide a social environment for users to share knowledge online. Users can submit complex and subjective questions on CQA platforms and then derive the desired answer from other community users. A large number of user-generated data has been produced by various CQA sites (e.g., Quora, StackExchange)...