Papers by Xiao Shou
SIMBA UQ: Similarity-Based Aggregation for Uncertainty Quantification in Large Language Models (2025.findings-emnlp)
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Debarun Bhattacharjya, Balaji Ganesan, Junkyu Lee, Radu Marinescu, Katya Mirylenka, Michael Glass, Xiao Shou
| Challenge: | Uncertainty quantification (UQ) provides measures of uncertainty, such as an estimate of the confidence in an LLM’s generated output. |
| Approach: | They propose a black-box approach where consistency is used as a proxy for confidence in a model's output. |
| Outcome: | The proposed methods are primarily but not necessarily entirely black- box, with consistency between output and other sampled generations used as a proxy for confidence in its correctness. |
TokenTiming: A Dynamic Alignment Method for Universal Speculative Decoding Model Pairs (2026.acl-long)
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| Challenge: | Speculative decoding (SD) is a useful tool for accelerating large language models . but its utility is limited by a fundamental constraint: draft and target models must share the same vocabulary . |
| Approach: | They propose an algorithm that uses a draft token sequence to get a new target token sequence and then uses DTW to build a mapping to transfer probability distributions. |
| Outcome: | The proposed method shows 1.57x speedup on various tasks. |
Coherent Entity Disambiguation via Modeling Topic and Categorical Dependency (2023.findings-emnlp)
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| Challenge: | Existing entity disambiguation methods struggle to capture explicit discourse-level dependencies, resulting in incoherent predictions at the abstract level. |
| Approach: | They propose an unsupervised variational autoencoder to extract latent topic vectors of context sentences to enhance coherence of entity predictions. |
| Outcome: | The proposed system achieves state-of-the-art on popular ED benchmarks with an average improvement of 1.3 F1 points. |
Instructed Language Models with Retrievers Are Powerful Entity Linkers (2023.emnlp-main)
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| Challenge: | Generative approaches powered by large language models have demonstrated emergent abilities in tasks that require complex reasoning abilities. |
| Approach: | They propose a sequence-to-sequence training objective with instruction-tuning that enables casual language models to perform entity linking over knowledge bases. |
| Outcome: | The proposed framework outperforms existing approaches with +6.8 F1 points gain on average and huge advantage in training data efficiency and compute consumption. |