Yixuan Tang
Information retrieval researcher at the National University of Singapore, working on diversity-aware retrieval — surfacing complementary perspectives on an event rather than the most textually similar reporting of it.
Known For
- Uncovering the Bigger Picture - Comprehensive Event Understanding via Diverse News Retrieval (EMNLP 2025), first author — the NEWSCOPE framework, which models retrieval diversity at the sentence level rather than over whole-document embeddings, and the Positive Cluster Coverage and Information Density Ratio metrics
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People
- Anthony K.H. Tung — co-author
- Yuanyuan Shi — co-author
- Yiqun Sun — co-author