Search Results for author: Xiaoyang Chen

Found 11 papers, 7 papers with code

Towards Universal Dense Blocking for Entity Resolution

2 code implementations23 Apr 2024 Tianshu Wang, Hongyu Lin, Xianpei Han, Xiaoyang Chen, Boxi Cao, Le Sun

Blocking is a critical step in entity resolution, and the emergence of neural network-based representation models has led to the development of dense blocking as a promising approach for exploring deep semantics in blocking.

Blocking Contrastive Learning

Spiral of Silences: How is Large Language Model Killing Information Retrieval? -- A Case Study on Open Domain Question Answering

1 code implementation16 Apr 2024 Xiaoyang Chen, Ben He, Hongyu Lin, Xianpei Han, Tianshu Wang, Boxi Cao, Le Sun, Yingfei Sun

The practice of Retrieval-Augmented Generation (RAG), which integrates Large Language Models (LLMs) with retrieval systems, has become increasingly prevalent.

Information Retrieval Language Modelling +3

DBCopilot: Scaling Natural Language Querying to Massive Databases

1 code implementation6 Dec 2023 Tianshu Wang, Hongyu Lin, Xianpei Han, Le Sun, Xiaoyang Chen, Hao Wang, Zhenyu Zeng

Text-to-SQL simplifies database interactions by enabling non-experts to convert their natural language (NL) questions into Structured Query Language (SQL) queries.

Navigate Question Generation +2

Versatile Medical Image Segmentation Learned from Multi-Source Datasets via Model Self-Disambiguation

1 code implementation17 Nov 2023 Xiaoyang Chen, Hao Zheng, Yuemeng Li, Yuncong Ma, Liang Ma, Hongming Li, Yong Fan

A versatile medical image segmentation model applicable to images acquired with diverse equipment and protocols can facilitate model deployment and maintenance.

Image Segmentation Medical Image Segmentation +3

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

Understanding Differential Search Index for Text Retrieval

1 code implementation3 May 2023 Xiaoyang Chen, Yanjiang Liu, Ben He, Le Sun, Yingfei Sun

The Differentiable Search Index (DSI) is a novel information retrieval (IR) framework that utilizes a differentiable function to generate a sorted list of document identifiers in response to a given query.

Information Retrieval Retrieval +1

Brain Tissue Segmentation Across the Human Lifespan via Supervised Contrastive Learning

no code implementations3 Jan 2023 Xiaoyang Chen, Jinjian Wu, Wenjiao Lyu, Yicheng Zou, Kim-Han Thung, Siyuan Liu, Ye Wu, Sahar Ahmad, Pew-Thian Yap

In this paper, we make the first attempt to segment brain tissues across the entire human lifespan (0-100 years of age) using a unified deep learning model.

Contrastive Learning Segmentation +1

Groupwise Query Performance Prediction with BERT

1 code implementation25 Apr 2022 Xiaoyang Chen, Ben He, Le Sun

While large-scale pre-trained language models like BERT have advanced the state-of-the-art in IR, its application in query performance prediction (QPP) is so far based on pointwise modeling of individual queries.

Learning-To-Rank Re-Ranking

SkullEngine: A Multi-stage CNN Framework for Collaborative CBCT Image Segmentation and Landmark Detection

no code implementations7 Oct 2021 Qin Liu, Han Deng, Chunfeng Lian, Xiaoyang Chen, Deqiang Xiao, Lei Ma, Xu Chen, Tianshu Kuang, Jaime Gateno, Pew-Thian Yap, James J. Xia

We propose a multi-stage coarse-to-fine CNN-based framework, called SkullEngine, for high-resolution segmentation and large-scale landmark detection through a collaborative, integrated, and scalable JSD model and three segmentation and landmark detection refinement models.

Image Segmentation Segmentation +1

Co-BERT: A Context-Aware BERT Retrieval Model Incorporating Local and Query-specific Context

no code implementations17 Apr 2021 Xiaoyang Chen, Kai Hui, Ben He, Xianpei Han, Le Sun, Zheng Ye

BERT-based text ranking models have dramatically advanced the state-of-the-art in ad-hoc retrieval, wherein most models tend to consider individual query-document pairs independently.

Learning-To-Rank Re-Ranking +1

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