A selective, ELMo-based question expansion method yields a small but statistically significant MAP gain in CQA question retrieval.
A fixed-point method for weighting terms in verbose informational queries
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QEQR: An Exploration of Query Expansion Methods for Question Retrieval in CQA Services
A selective, ELMo-based question expansion method yields a small but statistically significant MAP gain in CQA question retrieval.