collaborators

6 papers

cs.LG2026

FOUNDv2: Learning Unified User Quantized Tokenizers for User Representation

Chuan He, Yang Chen, Bin Dou +10

User representation learning serves as a fundamental pillar for personalized services on large-scale web platforms. Despite its importance, conventional continuous embedding method…

cs.CL2026

TabEmbed: Benchmarking and Learning Generalist Embeddings for Tabular Understanding

Minjie Qiang, Mingming Zhang, Xiaoyi Bao +5

Foundation models have established unified representations for natural language processing, yet this paradigm remains largely unexplored for tabular data. Existing methods face fun…

cs.CL2026

Query as Anchor: Scenario-Adaptive User Representation via Large Language Model

Jiahao Yuan, Yike Xu, Jinyong Wen +9

Industrial-scale user representation learning requires balancing robust universality with acute task-sensitivity. However, existing paradigms primarily yield static, task-agnostic…

cs.CL2026

How Do Decoder-Only LLMs Perceive Users? Rethinking Attention Masking for User Representation Learning

Jiahao Yuan, Yike Xu, Jinyong Wen +8

Decoder-only large language models are increasingly used as behavioral encoders for user representation learning, yet the impact of attention masking on the quality of user embeddi…

cs.LG2025

Instruction-aware User Embedding via Synergistic Language and Representation Modeling

Ziyi Gao, Yike Xu, Jiahao Yuan +9

User representation modeling has become increasingly crucial for personalized applications, yet existing approaches struggle with generalizability across domains and sensitivity to…

cs.LG2025

Transferable and Forecastable User Targeting Foundation Model

Bin Dou, Baokun Wang, Yun Zhu +11

User targeting, the process of selecting targeted users from a pool of candidates for non-expert marketers, has garnered substantial attention with the advancements in digital mark…