collaborators

6 papers

cs.CL2024

LargePiG: Your Large Language Model is Secretly a Pointer Generator

Zhongxiang Sun, Zihua Si, Xiaoxue Zang +4

Recent research on query generation has focused on using Large Language Models (LLMs), which despite bringing state-of-the-art performance, also introduce issues with hallucination…

cs.IR2024

TWIN V2: Scaling Ultra-Long User Behavior Sequence Modeling for Enhanced CTR Prediction at Kuaishou

Zihua Si, Lin Guan, ZhongXiang Sun +12

The significance of modeling long-term user interests for CTR prediction tasks in large-scale recommendation systems is progressively gaining attention among researchers and practi…

cs.IR2024

Large Language Models Enhanced Collaborative Filtering

Zhongxiang Sun, Zihua Si, Xiaoxue Zang +4

Recent advancements in Large Language Models (LLMs) have attracted considerable interest among researchers to leverage these models to enhance Recommender Systems (RSs). Existing w…

cs.IR2024

Generative Retrieval with Semantic Tree-Structured Item Identifiers via Contrastive Learning

Zihua Si, Zhongxiang Sun, Jiale Chen +7

The retrieval phase is a vital component in recommendation systems, requiring the model to be effective and efficient. Recently, generative retrieval has become an emerging paradig…

cs.IR2024

UniSAR: Modeling User Transition Behaviors between Search and Recommendation

Teng Shi, Zihua Si, Jun Xu +6

Nowadays, many platforms provide users with both search and recommendation services as important tools for accessing information. The phenomenon has led to a correlation between us…

cs.IR2024

Explicitly Integrating Judgment Prediction with Legal Document Retrieval: A Law-Guided Generative Approach

Weicong Qin, Zelin Cao, Weijie Yu +3

Legal document retrieval and judgment prediction are crucial tasks in intelligent legal systems. In practice, determining whether two documents share the same judgments is essentia…