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News/Sentence-Level Topic Modeling with Lexical and Contextual Evidence
arxiv
PublishedOctober 19, 2026 at 4:00 AM

Sentence-Level Topic Modeling with Lexical and Contextual Evidence

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arXiv:2610.23388v1 Announce Type: new Abstract: Topic modeling faces a fundamental granularity dilemma: probabilistic topic models assign topics at the word level, whereas transformer-based methods operate at the document level. The latter overlooks that real-world documents typically cover multiple

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