activity
20202024
most citedSoft Prompt Decoding for Multilingual Dense Retrieval

10 citations · 28 across the 10 of their papers we have counts for

collaborators

10 papers

cs.IR2024★ 1 cited

Planning Ahead in Generative Retrieval: Guiding Autoregressive Generation through Simultaneous Decoding

Hansi Zeng, Chen Luo, Hamed Zamani

This paper introduces PAG-a novel optimization and decoding approach that guides autoregressive generation of document identifiers in generative retrieval models through simultaneo…

cs.IR2024★ 2 cited

Towards Unified Multi-Modal Personalization: Large Vision-Language Models for Generative Recommendation and Beyond

Tianxin Wei, Bowen Jin, Ruirui Li +8

Developing a universal model that can effectively harness heterogeneous resources and respond to a wide range of personalized needs has been a longstanding community aspiration. Ou…

cs.IR2023★ 3 cited

Scalable and Effective Generative Information Retrieval

Hansi Zeng, Chen Luo, Bowen Jin +3

Recent research has shown that transformer networks can be used as differentiable search indexes by representing each document as a sequences of document ID tokens. These generativ…

cs.IR2023★ 1 cited

Language Models As Semantic Indexers

Bowen Jin, Hansi Zeng, Guoyin Wang +10

Semantic identifier (ID) is an important concept in information retrieval that aims to preserve the semantics of objects such as documents and items inside their IDs. Previous stud…

cs.IR2023★ 10 cited

Soft Prompt Decoding for Multilingual Dense Retrieval

Zhiqi Huang, Hansi Zeng, Hamed Zamani +1

In this work, we explore a Multilingual Information Retrieval (MLIR) task, where the collection includes documents in multiple languages. We demonstrate that applying state-of-the-…

cs.IR2023

A Personalized Dense Retrieval Framework for Unified Information Access

Hansi Zeng, Surya Kallumadi, Zaid Alibadi +2

Developing a universal model that can efficiently and effectively respond to a wide range of information access requests -- from retrieval to recommendation to question answering -…

cs.IR2022

Curriculum Learning for Dense Retrieval Distillation

Hansi Zeng, Hamed Zamani, Vishwa Vinay

Recent work has shown that more effective dense retrieval models can be obtained by distilling ranking knowledge from an existing base re-ranking model. In this paper, we propose a…

cs.IR2021★ 5 cited

Understanding the Effectiveness of Reviews in E-commerce Top-N Recommendation

Zhichao Xu, Hansi Zeng, Qingyao Ai

Modern E-commerce websites contain heterogeneous sources of information, such as numerical ratings, textual reviews and images. These information can be utilized to assist recommen…

cs.IR2021★ 4 cited

A Zero Attentive Relevance Matching Networkfor Review Modeling in Recommendation System

Hansi Zeng, Zhichao Xu, Qingyao Ai

User and item reviews are valuable for the construction of recommender systems. In general, existing review-based methods for recommendation can be broadly categorized into two gro…

cs.IR2020★ 2 cited

A Hierarchical Self-attentive Convolution Network for Review Modeling in Recommendation Systems

Hansi Zeng, Qingyao Ai

Using reviews to learn user and item representations is important for recommender system. Current review based methods can be divided into two categories: (1) the Convolution Neura…