activity
20232026
most citedA Comprehensive Evaluation of GPT-4V on Knowledge-Intensive Visual Question Answering

8 citations · 27 across the 32 of their papers we have counts for

collaborators

32 papers

cs.CL2026

LycheeMemory V2: Efficient Long-Term Memory for LLM Agents via Semantic Segment-Level Consolidation

Dongfang Li, Zixuan Liu, Junmai Wang +6

Long-horizon LLM agents must preserve information from past interactions to support future tasks. Existing memory systems typically rely on eager consolidation, invoking LLMs after…

cs.CL2026

Lychee-Reranker: Fast but Not Late Interaction for Compressed Document Reranking

Xinping Zhao, Jiaxin Xu, Ziqi Dai +10

As retrieval systems scale, effective and efficient reranking becomes increasingly important. However, most existing encoder- and decoder-based rerankers jointly process every quer…

cs.AI2026

DC-Leap: Training-Free Acceleration of dLLMs via Draft-Guided Contiguous Leaping Decoding

Yanhua Jiao, Tianyi Wu, Xiaoxi Sun +6

While parallel decoding is central to the efficiency of Diffusion Large Language Models (dLLMs), current strategies are often hindered by overly conservative confidence thresholds.…

cs.CL2026

Less Languages, Less Tokens: An Efficient Unified Logic Cross-lingual Chain-of-Thought Reasoning Framework

Chenyuan Zhang, Qiguang Chen, Xie Chen +6

Cross-lingual chain-of-thought (XCoT) with self-consistency markedly enhances multilingual reasoning, yet existing methods remain costly due to extensive sampling of full trajector…

cs.CL2026

ToolOmni: Enabling Open-World Tool Use via Agentic learning with Proactive Retrieval and Grounded Execution

Shouzheng Huang, Meishan Zhang, Baotian Hu +1

Large Language Models (LLMs) enhance their problem-solving capability by utilizing external tools. However, in open-world scenarios with massive and evolving tool repositories, exi…

cs.CY2026

From Pre-trained Models to Large Language Models: A Comprehensive Survey of AI-Driven Psychological Computing

Huiyao Chen, Ruimeng Liu, Yan Luo +4

The intersection of artificial intelligence and psychological science has experienced remarkable growth, with annual publications expanding from 859 papers in 2000 to 29,979 by 202…

cs.LG2026

LycheeCluster: Efficient Long-Context Inference with Structure-Aware Chunking and Hierarchical KV Indexing

Dongfang Li, Zixuan Liu, Gang Lin +2

The quadratic complexity of the attention mechanism and the substantial memory footprint of the Key-Value (KV) cache present severe computational and memory challenges for Large La…

cs.AI2026

: Unlocking LLM Reasoning via Reinforcement Learning with Re-solving

Pinzheng Wang, Shuli Xu, Juntao Li +4

Reinforcement learning with verifiable rewards (RLVR) has shown promise in enhancing the reasoning performance of large language models (LLMs) by increasing test-time compute. Howe…

cs.CL2026

LMEB: Long-horizon Memory Embedding Benchmark

Xinping Zhao, Xinshuo Hu, Jiaxin Xu +9

Embedding models are increasingly used as retrievers in memory-augmented systems, but are typically evaluated on traditional passage retrieval benchmarks. It remains unclear whethe…

cs.CL2026

Dynamic Long Context Reasoning over Compressed Memory via End-to-End Reinforcement Learning

Zhuoen Chen, Dongfang Li, Meishan Zhang +2

Large Language Models (LLMs) face significant challenges in long-context processing, including quadratic computational costs, information forgetting, and the context fragmentation…

cs.CL2026

LycheeDecode: Accelerating Long-Context LLM Inference via Hybrid-Head Sparse Decoding

Gang Lin, Dongfang Li, Zhuoen Chen +4

The proliferation of long-context large language models (LLMs) exposes a key bottleneck: the rapidly expanding key-value cache during decoding, which imposes heavy memory and laten…

cs.AI2025

Improving Value-based Process Verifier via Low-Cost Variance Reduction

Zetian Sun, Dongfang Li, Baotian Hu +1

Large language models (LLMs) have achieved remarkable success in a wide range of tasks. However, their reasoning capabilities, particularly in complex domains like mathematics, rem…

cs.AI2025

Is On-Policy Data always the Best Choice for Direct Preference Optimization-based LM Alignment?

Zetian Sun, Dongfang Li, Xuhui Chen +2

The alignment of language models~(LMs) with human preferences is critical for building reliable AI systems. The problem is typically framed as optimizing an LM policy to maximize t…

cs.CL2025★ 1 cited

KaLM-Embedding-V2: Superior Training Techniques and Data Inspire A Versatile Embedding Model

Xinping Zhao, Xinshuo Hu, Zifei Shan +14

Recent advancements in Large Language Models (LLMs)-based text embedding models primarily focus on data scaling or synthesis, yet limited exploration of training techniques and dat…

cs.CL2025

Take Off the Training Wheels Progressive In-Context Learning for Effective Alignment

Zhenyu Liu, Dongfang Li, Xinshuo Hu +4

Recent studies have explored the working mechanisms of In-Context Learning (ICL). However, they mainly focus on classification and simple generation tasks, limiting their broader a…

cs.LG2025

Improving Value-based Process Verifier via Structural Prior Injection

Zetian Sun, Dongfang Li, Baotian Hu +2

In the Large Language Model(LLM) reasoning scenario, people often estimate state value via Monte Carlo sampling. Though Monte Carlo estimation is an elegant method with less induct…

cs.CL2025★ 3 cited

KaLM-Embedding: Superior Training Data Brings A Stronger Embedding Model

Xinshuo Hu, Zifei Shan, Xinping Zhao +10

As retrieval-augmented generation prevails in large language models, embedding models are becoming increasingly crucial. Despite the growing number of general embedding models, pri…

cs.CL2024

CMT: A Memory Compression Method for Continual Knowledge Learning of Large Language Models

Dongfang Li, Zetian Sun, Xinshuo Hu +2

Large Language Models (LLMs) need to adapt to the continuous changes in data, tasks, and user preferences. Due to their massive size and the high costs associated with training, LL…

cs.IR2024

RaSeRec: Retrieval-Augmented Sequential Recommendation

Xinping Zhao, Baotian Hu, Yan Zhong +5

Although prevailing supervised and self-supervised learning augmented sequential recommendation (SeRec) models have achieved improved performance with powerful neural network archi…

cs.CL2024

SEER: Self-Aligned Evidence Extraction for Retrieval-Augmented Generation

Xinping Zhao, Dongfang Li, Yan Zhong +4

Recent studies in Retrieval-Augmented Generation (RAG) have investigated extracting evidence from retrieved passages to reduce computational costs and enhance the final RAG perform…

cs.CL2024

Medico: Towards Hallucination Detection and Correction with Multi-source Evidence Fusion

Xinping Zhao, Jindi Yu, Zhenyu Liu +5

As we all know, hallucinations prevail in Large Language Models (LLMs), where the generated content is coherent but factually incorrect, which inflicts a heavy blow on the widespre…

cs.IR2024★ 1 cited

FunnelRAG: A Coarse-to-Fine Progressive Retrieval Paradigm for RAG

Xinping Zhao, Yan Zhong, Zetian Sun +5

Retrieval-Augmented Generation (RAG) prevails in Large Language Models. It mainly consists of retrieval and generation. The retrieval modules (a.k.a. retrievers) aim to find useful…

cs.CL2024★ 1 cited

In-Context Learning State Vector with Inner and Momentum Optimization

Dongfang Li, Zhenyu Liu, Xinshuo Hu +3

Large Language Models (LLMs) have exhibited an impressive ability to perform In-Context Learning (ICL) from only a few examples. Recent works have indicated that the functions lear…

cs.CL2024★ 1 cited

Improving Attributed Text Generation of Large Language Models via Preference Learning

Dongfang Li, Zetian Sun, Baotian Hu +4

Large language models have been widely adopted in natural language processing, yet they face the challenge of generating unreliable content. Recent works aim to reduce misinformati…