activity
20162022
most citedSampling-Decomposable Generative Adversarial Recommender

14 citations · 45 across the 16 of their papers we have counts for

collaborators

21 papers

cs.IR2022

CDSM: Cascaded Deep Semantic Matching on Textual Graphs Leveraging Ad-hoc Neighbor Selection

Jing Yao, Zheng Liu, Junhan Yang +3

Deep semantic matching aims to discriminate the relationship between documents based on deep neural networks. In recent years, it becomes increasingly popular to organize documents…

cs.IR20229 cited

Ada-Ranker: A Data Distribution Adaptive Ranking Paradigm for Sequential Recommendation

Xinyan Fan, Jianxun Lian, Wayne Xin Zhao +3

A large-scale recommender system usually consists of recall and ranking modules. The goal of ranking modules (aka rankers) is to elaborately discriminate users' preference on item…

cs.IR20224 cited

Distill-VQ: Learning Retrieval Oriented Vector Quantization By Distilling Knowledge from Dense Embeddings

Shitao Xiao, Zheng Liu, Weihao Han +10

Vector quantization (VQ) based ANN indexes, such as Inverted File System (IVF) and Product Quantization (PQ), have been widely applied to embedding based document retrieval thanks…

cs.IR2022

Progressively Optimized Bi-Granular Document Representation for Scalable Embedding Based Retrieval

Shitao Xiao, Zheng Liu, Weihao Han +9

Ad-hoc search calls for the selection of appropriate answers from a massive-scale corpus. Nowadays, the embedding-based retrieval (EBR) becomes a promising solution, where deep lea…

cs.CL20222 cited

A Mutually Reinforced Framework for Pretrained Sentence Embeddings

Junhan Yang, Zheng Liu, Shitao Xiao +5

The lack of labeled data is a major obstacle to learning high-quality sentence embeddings. Recently, self-supervised contrastive learning (SCL) is regarded as a promising way to ad…

cs.IR20221 cited

Uni-Retriever: Towards Learning The Unified Embedding Based Retriever in Bing Sponsored Search

Jianjin Zhang, Zheng Liu, Weihao Han +9

Embedding based retrieval (EBR) is a fundamental building block in many web applications. However, EBR in sponsored search is distinguished from other generic scenarios and technic…