Aligning Backchannel and Dialogue Context Representations via Contrastive LLM Fine-Tuning
arXiv:2604.16622v1 Announce Type: new
Abstract: Backchannels (e.g., `yeah’, `mhm’, and `right’) are short, non-interruptive feedback signals whose lexical form and prosody jointly convey pragmatic meaning. While prior computational research has largel…