Search Results for author: Xuanang Chen

Found 6 papers, 2 papers with code

Prompt4Vis: Prompting Large Language Models with Example Mining and Schema Filtering for Tabular Data Visualization

no code implementations29 Jan 2024 Shuaimin Li, Xuanang Chen, Yuanfeng Song, Yunze Song, Chen Zhang

Data visualization (DV) systems are increasingly recognized for their profound capability to uncover insights from vast datasets, gaining attention across both industry and academia.

Data Visualization In-Context Learning

Offline Pseudo Relevance Feedback for Efficient and Effective Single-pass Dense Retrieval

1 code implementation20 Aug 2023 Xueru Wen, Xiaoyang Chen, Xuanang Chen, Ben He, Le Sun

Dense retrieval has made significant advancements in information retrieval (IR) by achieving high levels of effectiveness while maintaining online efficiency during a single-pass retrieval process.

Information Retrieval Retrieval

Defense of Adversarial Ranking Attack in Text Retrieval: Benchmark and Baseline via Detection

no code implementations31 Jul 2023 Xuanang Chen, Ben He, Le Sun, Yingfei Sun

Neural ranking models (NRMs) have undergone significant development and have become integral components of information retrieval (IR) systems.

Adversarial Attack Information Retrieval +3

Towards Imperceptible Document Manipulations against Neural Ranking Models

no code implementations3 May 2023 Xuanang Chen, Ben He, Zheng Ye, Le Sun, Yingfei Sun

Additionally, current methods rely heavily on the use of a well-imitated surrogate NRM to guarantee the attack effect, which makes them difficult to use in practice.

Adversarial Text Language Modelling +1

Simplified TinyBERT: Knowledge Distillation for Document Retrieval

4 code implementations16 Sep 2020 Xuanang Chen, Ben He, Kai Hui, Le Sun, Yingfei Sun

Despite the effectiveness of utilizing the BERT model for document ranking, the high computational cost of such approaches limits their uses.

Document Ranking Knowledge Distillation +1

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