Search Results for author: Xiaoxi Li

Found 8 papers, 3 papers with code

Semi-parametric Bayesian variable selection for gene-environment interactions

3 code implementations3 Jun 2019 Jie Ren, Fei Zhou, Xiaoxi Li, Qi Chen, Hongmei Zhang, Shuangge Ma, Yu Jiang, Cen Wu

Existing Bayesian methods for G$\times$E interaction studies are challenged by the high-dimensional nature of the study and the complexity of environmental influences.

Methodology

UniGen: A Unified Generative Framework for Retrieval and Question Answering with Large Language Models

no code implementations18 Dec 2023 Xiaoxi Li, Yujia Zhou, Zhicheng Dou

Generative information retrieval, encompassing two major tasks of Generative Document Retrieval (GDR) and Grounded Answer Generation (GAR), has gained significant attention in the area of information retrieval and natural language processing.

Answer Generation Information Retrieval +2

CorpusLM: Towards a Unified Language Model on Corpus for Knowledge-Intensive Tasks

no code implementations2 Feb 2024 Xiaoxi Li, Zhicheng Dou, Yujia Zhou, Fangchao Liu

We design the following mechanisms to facilitate effective retrieval and generation, and improve the end-to-end effectiveness of KI tasks: (1) We develop a ranking-oriented DocID list generation strategy, which refines GR by directly learning from a DocID ranking list, to improve retrieval quality.

Answer Generation Hallucination +2

Information Sale on Network

no code implementations8 Apr 2024 Jihwan Do, Lining Han, Xiaoxi Li

This paper studies a stylized model of a monopoly data seller when information-sharing network exists among data buyers.

From Matching to Generation: A Survey on Generative Information Retrieval

1 code implementation23 Apr 2024 Xiaoxi Li, Jiajie Jin, Yujia Zhou, Yuyao Zhang, Peitian Zhang, Yutao Zhu, Zhicheng Dou

We will summarize the advancements in GR regarding model training, document identifier, incremental learning, downstream tasks adaptation, multi-modal GR and generative recommendation, as well as progress in reliable response generation in aspects of internal knowledge memorization, external knowledge augmentation, generating response with citations and personal information assistant.

Incremental Learning Information Retrieval +5

The USTC-NELSLIP Offline Speech Translation Systems for IWSLT 2022

no code implementations IWSLT (ACL) 2022 Weitai Zhang, Zhongyi Ye, Haitao Tang, Xiaoxi Li, Xinyuan Zhou, Jing Yang, Jianwei Cui, Dan Liu, Junhua Liu, LiRong Dai

This paper describes USTC-NELSLIP’s submissions to the IWSLT 2022 Offline Speech Translation task, including speech translation of talks from English to German, English to Chinese and English to Japanese.

Translation

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