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20222025
most citedConTextual Masked Auto-Encoder for Dense Passage Retrieval

8 citations · 17 across the 13 of their papers we have counts for

collaborators

13 papers

cs.IR2025

LightRetriever: A LLM-based Text Retrieval Architecture with Extremely Faster Query Inference

Guangyuan Ma, Yongliang Ma, Xuanrui Gou +3

Large Language Models (LLMs)-based text retrieval retrieves documents relevant to search queries based on vector similarities. Documents are pre-encoded offline, while queries arri…

cs.LG2024

CartesianMoE: Boosting Knowledge Sharing among Experts via Cartesian Product Routing in Mixture-of-Experts

Zhenpeng Su, Xing Wu, Zijia Lin +6

Large language models (LLM) have been attracting much attention from the community recently, due to their remarkable performance in all kinds of downstream tasks. According to the…

cs.CL2024

MaskMoE: Boosting Token-Level Learning via Routing Mask in Mixture-of-Experts

Zhenpeng Su, Zijia Lin, Xue Bai +8

Scaling the size of a model enhances its capabilities but significantly increases computation complexity. Mixture-of-Experts models (MoE) address the issue by allowing model size t…

cs.IR2024

Task-level Distributionally Robust Optimization for Large Language Model-based Dense Retrieval

Guangyuan Ma, Yongliang Ma, Xing Wu +3

Large Language Model-based Dense Retrieval (LLM-DR) optimizes over numerous heterogeneous fine-tuning collections from different domains. However, the discussion about its training…

cs.IR2024

Drop your Decoder: Pre-training with Bag-of-Word Prediction for Dense Passage Retrieval

Guangyuan Ma, Xing Wu, Zijia Lin +1

Masked auto-encoder pre-training has emerged as a prevalent technique for initializing and enhancing dense retrieval systems. It generally utilizes additional Transformer decoder b…

cs.CL2023★ 7 cited

HC3 Plus: A Semantic-Invariant Human ChatGPT Comparison Corpus

Zhenpeng Su, Xing Wu, Wei Zhou +2

ChatGPT has garnered significant interest due to its impressive performance; however, there is growing concern about its potential risks, particularly in the detection of AI-genera…

cs.IR2023

Pre-training with Large Language Model-based Document Expansion for Dense Passage Retrieval

Guangyuan Ma, Xing Wu, Peng Wang +2

In this paper, we systematically study the potential of pre-training with Large Language Model(LLM)-based document expansion for dense passage retrieval. Concretely, we leverage th…

cs.CL2023

Dial-MAE: ConTextual Masked Auto-Encoder for Retrieval-based Dialogue Systems

Zhenpeng Su, Xing Wu, Wei Zhou +2

Dialogue response selection aims to select an appropriate response from several candidates based on a given user and system utterance history. Most existing works primarily focus o…

cs.CL2023★ 1 cited

CoT-MoTE: Exploring ConTextual Masked Auto-Encoder Pre-training with Mixture-of-Textual-Experts for Passage Retrieval

Guangyuan Ma, Xing Wu, Peng Wang +1

Passage retrieval aims to retrieve relevant passages from large collections of the open-domain corpus. Contextual Masked Auto-Encoding has been proven effective in representation b…

cs.CL2023★ 1 cited

CoT-MAE v2: Contextual Masked Auto-Encoder with Multi-view Modeling for Passage Retrieval

Xing Wu, Guangyuan Ma, Peng Wang +4

Growing techniques have been emerging to improve the performance of passage retrieval. As an effective representation bottleneck pretraining technique, the contextual masked auto-e…

cs.IR2023

PUNR: Pre-training with User Behavior Modeling for News Recommendation

Guangyuan Ma, Hongtao Liu, Xing Wu +4

News recommendation aims to predict click behaviors based on user behaviors. How to effectively model the user representations is the key to recommending preferred news. Existing w…

cs.IR2022

Query-as-context Pre-training for Dense Passage Retrieval

Xing Wu, Guangyuan Ma, Wanhui Qian +2

Recently, methods have been developed to improve the performance of dense passage retrieval by using context-supervised pre-training. These methods simply consider two passages fro…

cs.CL2022★ 8 cited

ConTextual Masked Auto-Encoder for Dense Passage Retrieval

Xing Wu, Guangyuan Ma, Meng Lin +3

Dense passage retrieval aims to retrieve the relevant passages of a query from a large corpus based on dense representations (i.e., vectors) of the query and the passages. Recent s…