English
Related papers

Related papers: UnifieR: A Unified Retriever for Large-Scale Retri…

200 papers

Designing effective data manipulation methods is a long standing problem in data lakes. Traditional methods, which rely on rules or machine learning models, require extensive human efforts on training data collection and tuning models.…

Artificial Intelligence · Computer Science 2024-05-13 Yichen Qian , Yongyi He , Rong Zhu , Jintao Huang , Zhijian Ma , Haibin Wang , Yaohua Wang , Xiuyu Sun , Defu Lian , Bolin Ding , Jingren Zhou

Knowledge-intensive language tasks (KILTs) benefit from retrieving high-quality relevant contexts from large external knowledge corpora. Learning task-specific retrievers that return relevant contexts at an appropriate level of semantic…

Information Retrieval · Computer Science 2023-05-01 Jiangui Chen , Ruqing Zhang , Jiafeng Guo , Maarten de Rijke , Yiqun Liu , Yixing Fan , Xueqi Cheng

Dense retrieval systems conduct first-stage retrieval using embedded representations and simple similarity metrics to match a query to documents. Its effectiveness depends on encoded embeddings to capture the semantics of queries and…

Information Retrieval · Computer Science 2021-09-01 HongChien Yu , Chenyan Xiong , Jamie Callan

Large Language Models (LLMs) have shown strong promise as rerankers, especially in ``listwise'' settings where an LLM is prompted to rerank several search results at once. However, this ``cascading'' retrieve-and-rerank approach is limited…

Information Retrieval · Computer Science 2025-01-17 Mandeep Rathee , Sean MacAvaney , Avishek Anand

The recent advancements in generative language models have demonstrated their ability to memorize knowledge from documents and recall knowledge to respond to user queries effectively. Building upon this capability, we propose to enable…

Multimedia · Computer Science 2024-02-19 Yongqi Li , Wenjie Wang , Leigang Qu , Liqiang Nie , Wenjie Li , Tat-Seng Chua

Neural retrieval models have superseded classic bag-of-words methods such as BM25 as the retrieval framework of choice. However, neural systems lack the interpretability of bag-of-words models; it is not trivial to connect a query change to…

Pre-trained Transformer language models (LM) have become go-to text representation encoders. Prior research fine-tunes deep LMs to encode text sequences such as sentences and passages into single dense vector representations for efficient…

Computation and Language · Computer Science 2021-09-22 Luyu Gao , Jamie Callan

Retrieval-augmented large language models (LLMs) leverage relevant content retrieved by information retrieval systems to generate correct responses, aiming to alleviate the hallucination problem. However, existing retriever-responder…

Computation and Language · Computer Science 2024-06-26 Taolin Zhang , Dongyang Li , Qizhou Chen , Chengyu Wang , Longtao Huang , Hui Xue , Xiaofeng He , Jun Huang

Large Language Models (LLMs) herald a transformative era in artificial intelligence (AI). However, the expansive scale of data and parameters of LLMs requires high-demand computational and memory resources, restricting their accessibility…

Machine Learning · Computer Science 2024-11-26 Shengwen Ding , Chenhui Hu

Pretrained language models like BERT and T5 serve as crucial backbone encoders for dense retrieval. However, these models often exhibit limited generalization capabilities and face challenges in improving in domain accuracy. Recent research…

Computation and Language · Computer Science 2024-08-26 Kun Luo , Minghao Qin , Zheng Liu , Shitao Xiao , Jun Zhao , Kang Liu

We introduce Uni4D, a unified framework for large scale open vocabulary 3D retrieval and controlled 4D generation based on structured three level alignment across text, 3D models, and image modalities. Built upon the Align3D 130 dataset,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Philip Xu

Generative retrieval for search and recommendation is a promising paradigm for retrieving items, offering an alternative to traditional methods that depend on external indexes and nearest-neighbor searches. Instead, generative models…

Information Retrieval · Computer Science 2024-10-23 Gustavo Penha , Ali Vardasbi , Enrico Palumbo , Marco de Nadai , Hugues Bouchard

Large language models (LLMs), with advanced linguistic capabilities, have been employed in reranking tasks through a sequence-to-sequence approach. In this paradigm, multiple passages are reranked in a listwise manner and a textual reranked…

Information Retrieval · Computer Science 2024-11-08 Ruiyang Ren , Yuhao Wang , Kun Zhou , Wayne Xin Zhao , Wenjie Wang , Jing Liu , Ji-Rong Wen , Tat-Seng Chua

The semantic gap between colloquial user queries and professional legal documents presents a fundamental challenge in Legal Case Retrieval (LCR). Existing dense retrieval methods typically treat LCR as a black-box semantic matching process,…

Information Retrieval · Computer Science 2026-04-28 Minghan Li , Tianrui Lv , Chao Zhang , Guodong Zhou

Utilizing large language models (LLMs) for document reranking has been a popular and promising research direction in recent years, many studies are dedicated to improving the performance and efficiency of using LLMs for reranking. Besides,…

Information Retrieval · Computer Science 2025-04-11 Qi Liu , Haozhe Duan , Yiqun Chen , Quanfeng Lu , Weiwei Sun , Jiaxin Mao

Information retrieval (IR) plays a crucial role in locating relevant resources from vast amounts of data, and its applications have evolved from traditional knowledge bases to modern retrieval models (RMs). The emergence of large language…

Computation and Language · Computer Science 2023-12-13 Jiazhan Feng , Chongyang Tao , Xiubo Geng , Tao Shen , Can Xu , Guodong Long , Dongyan Zhao , Daxin Jiang

Recent advances in diffusion-based Large Restoration Models (LRMs) have significantly improved photo-realistic image restoration by leveraging the internal knowledge embedded within model weights. However, existing LRMs often suffer from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Hang Guo , Tao Dai , Zhihao Ouyang , Taolin Zhang , Yaohua Zha , Bin Chen , Shu-tao Xia

Information Retrieval (IR) methods aim to identify documents relevant to a query, which have been widely applied in various natural language tasks. However, existing approaches typically consider only the textual content within documents,…

Computation and Language · Computer Science 2026-01-26 Jaewoo Lee , Joonho Ko , Jinheon Baek , Soyeong Jeong , Sung Ju Hwang

In-context learning (ICL) enhances the reasoning abilities of Large Language Models (LLMs) by prepending a few demonstrations. It motivates researchers to introduce more examples to provide additional contextual information for the…

Computation and Language · Computer Science 2025-05-27 Jun Gao , Qi Lv , Zili Wang , Tianxiang Wu , Ziqiang Cao , Wenjie Li

Dense retrieval has achieved impressive advances in first-stage retrieval from a large-scale document collection, which is built on bi-encoder architecture to produce single vector representation of query and document. However, a document…

Computation and Language · Computer Science 2022-03-17 Shunyu Zhang , Yaobo Liang , Ming Gong , Daxin Jiang , Nan Duan
‹ Prev 1 4 5 6 7 8 10 Next ›