English
Related papers

Related papers: RetGen: A Joint framework for Retrieval and Ground…

200 papers

Retrieval-augmented language models (LMs) have received much attention recently. However, typically the retriever is not trained jointly as a native component of the LM, but added post-hoc to an already-pretrained LM, which limits the…

Computation and Language · Computer Science 2024-07-23 Ohad Rubin , Jonathan Berant

This paper focuses on the dynamic optimization of the Retrieval-Augmented Generation (RAG) architecture. It proposes a state-aware dynamic knowledge retrieval mechanism to enhance semantic understanding and knowledge scheduling efficiency…

Computation and Language · Computer Science 2025-04-29 Jacky He , Guiran Liu , Binrong Zhu , Hanlu Zhang , Hongye Zheng , Xiaokai Wang

Generating knowledge-intensive and comprehensive long texts, such as encyclopedia articles, remains significant challenges for Large Language Models. It requires not only the precise integration of facts but also the maintenance of thematic…

Computation and Language · Computer Science 2025-03-04 Hongchao Gu , Dexun Li , Kuicai Dong , Hao Zhang , Hang Lv , Hao Wang , Defu Lian , Yong Liu , Enhong Chen

Generative models for Information Retrieval, where ranking of documents is viewed as the task of generating a query from a document's language model, were very successful in various IR tasks in the past. However, with the advent of modern…

Computation and Language · Computer Science 2020-10-08 Cicero Nogueira dos Santos , Xiaofei Ma , Ramesh Nallapati , Zhiheng Huang , Bing Xiang

A Comparison of Independent and Joint Fine-tuning Strategies for Retrieval-Augmented Generation Download PDF Neal Gregory Lawton, Alfy Samuel, Anoop Kumar, Daben Liu Published: 20 Aug 2025, Retrieval augmented generation (RAG) is a popular…

Computation and Language · Computer Science 2025-10-21 Neal Gregory Lawton , Alfy Samuel , Anoop Kumar , Daben Liu

Many text generation systems benefit from using a retriever to retrieve passages from a textual knowledge corpus (e.g., Wikipedia) which are then provided as additional context to the generator. For open-ended generation tasks (like…

Computation and Language · Computer Science 2021-10-22 Ashwin Paranjape , Omar Khattab , Christopher Potts , Matei Zaharia , Christopher D. Manning

Verifiable generation aims to let the large language model (LLM) generate text with supporting documents, which enables the user to flexibly verify the answer and makes the LLM's output more reliable. Retrieval plays a crucial role in…

Computation and Language · Computer Science 2024-03-28 Xiaonan Li , Changtai Zhu , Linyang Li , Zhangyue Yin , Tianxiang Sun , Xipeng Qiu

Prompt learning is an effective paradigm that bridges gaps between the pre-training tasks and the corresponding downstream applications. Approaches based on this paradigm have achieved great transcendent results in various applications.…

Information Retrieval · Computer Science 2022-09-26 Zhigang Kan , Linhui Feng , Zhangyue Yin , Linbo Qiao , Xipeng Qiu , Dongsheng Li

Story generation, namely generating a reasonable story from a leading context, is an important but challenging task. In spite of the success in modeling fluency and local coherence, existing neural language generation models (e.g., GPT-2)…

Computation and Language · Computer Science 2020-01-16 Jian Guan , Fei Huang , Zhihao Zhao , Xiaoyan Zhu , Minlie Huang

Intelligent personal assistant systems that are able to have multi-turn conversations with human users are becoming increasingly popular. Most previous research has been focused on using either retrieval-based or generation-based methods to…

Information Retrieval · Computer Science 2019-08-27 Liu Yang , Junjie Hu , Minghui Qiu , Chen Qu , Jianfeng Gao , W. Bruce Croft , Xiaodong Liu , Yelong Shen , Jingjing Liu

Collecting data for training dialog systems can be extremely expensive due to the involvement of human participants and need for extensive annotation. Especially in document-grounded dialog systems, human experts need to carefully read the…

Computation and Language · Computer Science 2021-12-16 Qingyang Wu , Song Feng , Derek Chen , Sachindra Joshi , Luis A. Lastras , Zhou Yu

Text generation system has made massive promising progress contributed by deep learning techniques and has been widely applied in our life. However, existing end-to-end neural models suffer from the problem of tending to generate…

Artificial Intelligence · Computer Science 2020-03-03 Hao Wang , Bin Guo , Wei Wu , Zhiwen Yu

Retrieval-Augmented Generation (RAG) integrates non-parametric knowledge into Large Language Models (LLMs), typically from unstructured texts and structured graphs. While recent progress has advanced text-based RAG to multi-turn reasoning…

Computation and Language · Computer Science 2025-12-11 Yucan Guo , Miao Su , Saiping Guan , Zihao Sun , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

Large pre-trained language models have recently enabled open-ended generation frameworks (e.g., prompt-to-text NLG) to tackle a variety of tasks going beyond the traditional data-to-text generation. While this framework is more general, it…

Computation and Language · Computer Science 2022-12-06 Faeze Brahman , Baolin Peng , Michel Galley , Sudha Rao , Bill Dolan , Snigdha Chaturvedi , Jianfeng Gao

Retrieval-Augmented Generation (RAG) integrates external knowledge to enhance Large Language Models (LLMs), yet systems remain susceptible to two critical flaws: providing correct answers without explicit grounded evidence and producing…

Computation and Language · Computer Science 2026-01-09 Yibo Zhao , Jiapeng Zhu , Zichen Ding , Xiang Li

This article presents a hybrid approach based on a Grounded Text Generation (GTG) model to building robust task bots at scale. GTG is a hybrid model which uses a large-scale Transformer neural network as its backbone, combined with…

Artificial Intelligence · Computer Science 2020-09-09 Jianfeng Gao , Baolin Peng , Chunyuan Li , Jinchao Li , Shahin Shayandeh , Lars Liden , Heung-Yeung Shum

This work combines information about the dialogue history encoded by pre-trained model with a meaning representation of the current system utterance to realize contextual language generation in task-oriented dialogues. We utilize the…

Computation and Language · Computer Science 2021-11-30 Ye Liu , Wolfgang Maier , Wolfgang Minker , Stefan Ultes

Retrieval-augmented generation resorts to content retrieved from external sources in order to leverage the performance of large language models in downstream tasks. The excessive volume of retrieved content, the possible dispersion of its…

Computation and Language · Computer Science 2024-07-08 João Rodrigues , António Branco

Multi-Hop Question Answering (MHQA) tasks present a significant challenge for large language models (LLMs) due to the intensive knowledge required. Current solutions, like Retrieval-Augmented Generation, typically retrieve potential…

Computation and Language · Computer Science 2024-09-17 Zhengliang Shi , Weiwei Sun , Shen Gao , Pengjie Ren , Zhumin Chen , Zhaochun Ren

Stories generated with neural language models have shown promise in grammatical and stylistic consistency. However, the generated stories are still lacking in common sense reasoning, e.g., they often contain sentences deprived of world…

Machine Learning · Computer Science 2020-03-02 Huanru Henry Mao , Bodhisattwa Prasad Majumder , Julian McAuley , Garrison W. Cottrell