AINeutralarXiv – CS AI · 7h ago6/10
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CobSeg: Coherence Boundary Modeling for Dialogue Topic Segmentation
CobSeg introduces a novel multi-branch architecture for dialogue topic segmentation that separates semantic continuity from lexical boundary transitions, achieving significant performance improvements across five benchmarks without requiring LLM calls during inference. The approach demonstrates particular strength in scenarios where local lexical cues are prominent, reducing error metrics substantially in both supervised and pseudo-label settings.