activity
20242026
collaborators

5 papers

cs.CL2026

Revisiting Parameter-Based Knowledge Editing in Large Language Models: Theoretical Limits and Empirical Evidence

Wanying Ren, Xin Song, Futing Wang +2

Parameter-based knowledge editing updates the internal knowledge of large language models (LLMs) via localized weight modifications and has attracted significant attention. However…

cs.IR2026

MTFM: A Scalable and Alignment-free Foundation Model for Industrial Recommendation in Meituan

Xin Song, Zhilin Guan, Ruidong Han +12

Industrial recommendation systems typically involve multiple scenarios, yet existing cross-domain (CDR) and multi-scenario (MSR) methods often require prohibitive resources and str…

cs.CL2025

Benchmarking and Rethinking Knowledge Editing for Large Language Models

Guoxiu He, Xin Song, Futing Wang +1

Knowledge editing aims to update the embedded knowledge within Large Language Models (LLMs). However, existing approaches, whether through parameter modification or external memory…

cs.CL2025

Knowledge Updating? No More Model Editing! Just Selective Contextual Reasoning

Guoxiu He, Xin Song, Aixin Sun

As real-world knowledge evolves, the information embedded within large language models (LLMs) can become outdated, inadequate, or erroneous. Model editing has emerged as a prominen…

cs.CL2024

Interweaving Memories of a Siamese Large Language Model

Xin Song, Zhikai Xue, Guoxiu He +2

Parameter-efficient fine-tuning (PEFT) methods optimize large language models (LLMs) by modifying or introducing a small number of parameters to enhance alignment with downstream t…