CobSeg: Coherence Boundary Modeling for Dialogue Topic Segmentation

In three linesCobSeg is a multi-branch architecture for dialogue topic segmentation. It separates semantic continuity from lexical transitions and uses boundary informativeness weighting. Evaluated on 5 benchmarks, it reduces Pk by 0.7 points on VHF and achieves Pk=1.0 on DialSeg711, without LLM calls at inference.

Summary generated by Claude — human-verified