activity
20202026
most citedCMT in TREC-COVID Round 2: Mitigating the Generalization Gaps from Web to Special Domain Search

8 citations · 11 across the 6 of their papers we have counts for

collaborators

6 papers

cs.AI2026

Toward Stable Value Alignment: Introducing Independent Modules for Consistent Value Guidance

Wenhao Chen, Sirui Sun, Shengyuan Bai +1

Aligning large language models (LLMs) with human values typically relies on post-training or inference-time steering that directly manipulates the backbone's parameters or represen…

cs.CL2024

LLM-Oriented Retrieval Tuner

Si Sun, Hanqing Zhang, Zhiyuan Liu +2

Dense Retrieval (DR) is now considered as a promising tool to enhance the memorization capacity of Large Language Models (LLM) such as GPT3 and GPT-4 by incorporating external memo…

cs.CL2024

UniMem: Towards a Unified View of Long-Context Large Language Models

Junjie Fang, Likai Tang, Hongzhe Bi +12

Long-context processing is a critical ability that constrains the applicability of large language models (LLMs). Although there exist various methods devoted to enhancing the long-…

cs.IR2020★ 1 cited

Few-Shot Text Ranking with Meta Adapted Synthetic Weak Supervision

Si Sun, Yingzhuo Qian, Zhenghao Liu +5

The effectiveness of Neural Information Retrieval (Neu-IR) often depends on a large scale of in-domain relevance training signals, which are not always available in real-world rank…

cs.IR2020★ 8 cited

CMT in TREC-COVID Round 2: Mitigating the Generalization Gaps from Web to Special Domain Search

Chenyan Xiong, Zhenghao Liu, Si Sun +7

Neural rankers based on deep pretrained language models (LMs) have been shown to improve many information retrieval benchmarks. However, these methods are affected by their the cor…

cs.CL2020★ 2 cited

Capturing Global Informativeness in Open Domain Keyphrase Extraction

Si Sun, Zhenghao Liu, Chenyan Xiong +2

Open-domain KeyPhrase Extraction (KPE) aims to extract keyphrases from documents without domain or quality restrictions, e.g., web pages with variant domains and qualities. Recentl…