1 code implementation • 17 Apr 2024 • Sunhao Dai, Chen Xu, Shicheng Xu, Liang Pang, Zhenhua Dong, Jun Xu
With the rapid advancement of large language models (LLMs), information retrieval (IR) systems, such as search engines and recommender systems, have undergone a significant paradigm shift.
1 code implementation • 28 Feb 2024 • Shicheng Xu, Liang Pang, Mo Yu, Fandong Meng, HuaWei Shen, Xueqi Cheng, Jie zhou
Retrieval-augmented generation (RAG) enhances large language models (LLMs) by incorporating additional information from retrieval.
1 code implementation • 5 Feb 2024 • Shicheng Xu, Liang Pang, Jun Xu, HuaWei Shen, Xueqi Cheng
First, it is hard to share the contextual information of the ranking list between the two tasks.
no code implementations • 23 Nov 2023 • Shicheng Xu, Danyang Hou, Liang Pang, Jingcheng Deng, Jun Xu, HuaWei Shen, Xueqi Cheng
Furthermore, our subsequent exploration reveals that the inclusion of AI-generated images in the training data of the retrieval models exacerbates the invisible relevance bias.
no code implementations • 3 Nov 2023 • Shicheng Xu, Liang Pang, Jiangnan Li, Mo Yu, Fandong Meng, HuaWei Shen, Xueqi Cheng, Jie zhou
Readers usually only give an abstract and vague description as the query based on their own understanding, summaries, or speculations of the plot, which requires the retrieval model to have a strong ability to estimate the abstract semantic associations between the query and candidate plots.
no code implementations • 16 Jun 2023 • Shicheng Xu
ULIP with PointNeXt and PointNeXt segmentation are extended for the classification and segmentation task on BuildingNet dataset.
no code implementations • 18 May 2023 • Shicheng Xu, Liang Pang, HuaWei Shen, Xueqi Cheng
Dense retrieval has shown promise in the first-stage retrieval process when trained on in-domain labeled datasets.
1 code implementation • 28 Apr 2023 • Shicheng Xu, Liang Pang, HuaWei Shen, Xueqi Cheng, Tat-Seng Chua
This paper proposes a novel framework named \textbf{Search-in-the-Chain} (SearChain) for the interaction between LLM and IR to solve the challenges.
1 code implementation • 1 Dec 2022 • Shicheng Xu, Liang Pang, HuaWei Shen, Xueqi Cheng
Different needs correspond to different IR tasks such as document retrieval, open-domain question answering, retrieval-based dialogue, etc., while they share the same schema to estimate the relationship between texts.
1 code implementation • 6 Apr 2022 • Shicheng Xu, Liang Pang, HuaWei Shen, Xueqi Cheng
In generalization stage, matching model explores the essential matching signals by being trained on diverse matching tasks.
no code implementations • 17 Jun 2016 • Shoou-I Yu, Yi Yang, Zhongwen Xu, Shicheng Xu, Deyu Meng, Zexi Mao, Zhigang Ma, Ming Lin, Xuanchong Li, Huan Li, Zhenzhong Lan, Lu Jiang, Alexander G. Hauptmann, Chuang Gan, Xingzhong Du, Xiaojun Chang
The large number of user-generated videos uploaded on to the Internet everyday has led to many commercial video search engines, which mainly rely on text metadata for search.