activity
20052022
most citedRepBERT: Contextualized Text Embeddings for First-Stage Retrieval

59 citations · 117 across the 12 of their papers we have counts for

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Showing cs.IRShow all

13 papers · 1 filter

cs.IR20212 cited

Web Search via an Efficient and Effective Brain-Machine Interface

Xuesong Chen, Ziyi Ye, Xiaohui Xie +5

While search technologies have evolved to be robust and ubiquitous, the fundamental interaction paradigm has remained relatively stable for decades. With the maturity of the Brain-…

cs.IR202110 cited

Learning Discrete Representations via Constrained Clustering for Effective and Efficient Dense Retrieval

Jingtao Zhan, Jiaxin Mao, Yiqun Liu +3

Dense Retrieval (DR) has achieved state-of-the-art first-stage ranking effectiveness. However, the efficiency of most existing DR models is limited by the large memory cost of stor…

cs.IR20211 cited

Why Don't You Click: Neural Correlates of Non-Click Behaviors in Web Search

Ziyi Ye, Xiaohui Xie, Yiqun Liu +6

Web search heavily relies on click-through behavior as an essential feedback signal for performance improvement and evaluation. Traditionally, click is usually treated as a positiv…

cs.IR20211 cited

Jointly Optimizing Query Encoder and Product Quantization to Improve Retrieval Performance

Jingtao Zhan, Jiaxin Mao, Yiqun Liu +3

Recently, Information Retrieval community has witnessed fast-paced advances in Dense Retrieval (DR), which performs first-stage retrieval with embedding-based search. Despite the i…

cs.IR20216 cited

A Large-Scale Rich Context Query and Recommendation Dataset in Online Knowledge-Sharing

Bin Hao, Min Zhang, Weizhi Ma +5

Data plays a vital role in machine learning studies. In the research of recommendation, both user behaviors and side information are helpful to model users. So, large-scale real sc…

cs.IR202111 cited

Optimizing Dense Retrieval Model Training with Hard Negatives

Jingtao Zhan, Jiaxin Mao, Yiqun Liu +3

Ranking has always been one of the top concerns in information retrieval researches. For decades, the lexical matching signal has dominated the ad-hoc retrieval process, but solely…