Papers by Xixi Zhou
Matching Varying-Length Texts via Topic-Informed and Decoupled Sentence Embeddings (2024.findings-naacl)
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| Challenge: | Existing approaches to matching text with non-comparable lengths are limited due to truncation issues. |
| Approach: | They propose a model that decouples sentences and embeds them into natural sentences for matching texts of significantly different lengths. |
| Outcome: | The proposed model matches texts of significantly different lengths across three well-studied datasets. |
BrowseConf: Confidence-Guided Test-Time Scaling for Web Agents (2026.findings-acl)
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Litu Ou, Kuan Li, Huifeng Yin, Liwen Zhang, Zhongwang Zhang, Xixi Wu, Rui Ye, Zile Qiao, Yong Jiang, Pengjun Xie, Fei Huang, Jingren Zhou
| Challenge: | Existing work on confidence in LLMs is limited. |
| Approach: | They propose to use confidence scores to determine model answer quality and encourage model to try again until it reaches satisfactory confidence level. |
| Outcome: | The proposed methods significantly reduce token consumption while demonstrating competitive performance compared to baseline fixed budget methods. |