Linear and spherical interpolation of ANCE and QRACDR parameters yields a single dense retriever that recovers ad-hoc effectiveness while retaining conversational skill and improving zero-shot generalization.
2023.Neural approaches to conversational information retrieval
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Improving Ad-hoc Search Effectiveness for Conversational Information Retrieval via Model Merging
Linear and spherical interpolation of ANCE and QRACDR parameters yields a single dense retriever that recovers ad-hoc effectiveness while retaining conversational skill and improving zero-shot generalization.