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Related papers: Retrieval-Free Knowledge-Grounded Dialogue Respons…

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Knowledge-based dialogue systems with internet retrieval have recently attracted considerable attention from researchers. The dialogue systems overcome a major limitation of traditional knowledge dialogue systems, where the timeliness of…

Information Retrieval · Computer Science 2024-01-17 Zhongtian Hu , Yangqi Chen , Meng Zhao , Ronghan Li , Lifang Wang

Incorporating external graph knowledge into neural chatbot models has been proven effective for enhancing dialogue generation. However, in conventional graph neural networks (GNNs), message passing on a graph is independent from text,…

Computation and Language · Computer Science 2023-06-29 Chen Tang , Hongbo Zhang , Tyler Loakman , Chenghua Lin , Frank Guerin

The task of incomplete utterance rewriting has recently gotten much attention. Previous models struggled to extract information from the dialogue context, as evidenced by the low restoration scores. To address this issue, we propose a novel…

Machine Learning · Computer Science 2023-07-14 Yunshan Chen

Dialogue-Based Generalized Referring Expression Comprehension (GREC) requires models to ground the expression and unlimited targets in complex visual scenes while resolving coreference across a long dialogue context. However, existing…

Computation and Language · Computer Science 2026-04-28 Juexi Shao , Siyou Li , Yujian Gan , Chris Madge , Vanja Karan , Massimo Poesio

Retrieval-augmented Large Language Models (LLMs) offer substantial benefits in enhancing performance across knowledge-intensive scenarios. However, these methods often face challenges with complex inputs and encounter difficulties due to…

Computation and Language · Computer Science 2024-10-17 Haoyu Wang , Ruirui Li , Haoming Jiang , Jinjin Tian , Zhengyang Wang , Chen Luo , Xianfeng Tang , Monica Cheng , Tuo Zhao , Jing Gao

In conversational QA, models have to leverage information in previous turns to answer upcoming questions. Current approaches, such as Question Rewriting, struggle to extract relevant information as the conversation unwinds. We introduce the…

Computation and Language · Computer Science 2022-04-11 Marco Del Tredici , Xiaoyu Shen , Gianni Barlacchi , Bill Byrne , Adrià de Gispert

Recently, open-domain dialogue systems have attracted growing attention. Most of them use the sequence-to-sequence (Seq2Seq) architecture to generate responses. However, traditional Seq2Seq-based open-domain dialogue models tend to generate…

Computation and Language · Computer Science 2020-07-06 Heng-Da Xu , Xian-Ling Mao , Zewen Chi , Jing-Jing Zhu , Fanshu Sun , Heyan Huang

We present GLM-Dialog, a large-scale language model (LLM) with 10B parameters capable of knowledge-grounded conversation in Chinese using a search engine to access the Internet knowledge. GLM-Dialog offers a series of applicable techniques…

Computation and Language · Computer Science 2023-03-01 Jing Zhang , Xiaokang Zhang , Daniel Zhang-Li , Jifan Yu , Zijun Yao , Zeyao Ma , Yiqi Xu , Haohua Wang , Xiaohan Zhang , Nianyi Lin , Sunrui Lu , Juanzi Li , Jie Tang

Providing Language Models (LMs) with relevant evidence in the context (either via retrieval or user-provided) can significantly improve their ability to provide better-grounded responses. However, recent studies have found that LMs often…

Computation and Language · Computer Science 2025-05-27 Zhining Liu , Rana Ali Amjad , Ravinarayana Adkathimar , Tianxin Wei , Hanghang Tong

In many real-world scenarios, the absence of external knowledge source like Wikipedia restricts question answering systems to rely on latent internal knowledge in limited dialogue data. In addition, humans often seek answers by asking…

Computation and Language · Computer Science 2022-12-20 Shaomu Tan , Denis Paperno

Knowledge infusion is a promising method for enhancing Large Language Models for domain-specific NLP tasks rather than pre-training models over large data from scratch. These augmented LLMs typically depend on additional pre-training or…

Computation and Language · Computer Science 2024-03-05 Kinshuk Vasisht , Balaji Ganesan , Vikas Kumar , Vasudha Bhatnagar

Task-oriented conversational modeling with unstructured knowledge access, as track 1 of the 9th Dialogue System Technology Challenges (DSTC 9), requests to build a system to generate response given dialogue history and knowledge access.…

Computation and Language · Computer Science 2020-12-23 Chao-Hong Tan , Xiaoyu Yang , Zi'ou Zheng , Tianda Li , Yufei Feng , Jia-Chen Gu , Quan Liu , Dan Liu , Zhen-Hua Ling , Xiaodan Zhu

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

ExpertRAG is a novel theoretical framework that integrates Mixture-of-Experts (MoE) architectures with Retrieval Augmented Generation (RAG) to advance the efficiency and accuracy of knowledge-intensive language modeling. We propose a…

Information Retrieval · Computer Science 2025-04-15 Esmail Gumaan

Large Language Models (LLMs) have demonstrated remarkable capabilities in many real-world applications. Nonetheless, LLMs are often criticized for their tendency to produce hallucinations, wherein the models fabricate incorrect statements…

Computation and Language · Computer Science 2024-06-05 Qinggang Zhang , Junnan Dong , Hao Chen , Daochen Zha , Zailiang Yu , Xiao Huang

Dialog systems have achieved significant progress and have been widely used in various scenarios. The previous researches mainly focused on designing dialog generation models in a single scenario, while comprehensive abilities are required…

Artificial Intelligence · Computer Science 2022-06-20 Yu Zhao , Xinshuo Hu , Yunxin Li , Baotian Hu , Dongfang Li , Sichao Chen , Xiaolong Wang

Large pre-trained language models have been shown to store factual knowledge in their parameters, and achieve state-of-the-art results when fine-tuned on downstream NLP tasks. However, their ability to access and precisely manipulate…

Two types of knowledge, triples from knowledge graphs and texts from documents, have been studied for knowledge aware open-domain conversation generation, in which graph paths can narrow down vertex candidates for knowledge selection…

Artificial Intelligence · Computer Science 2019-09-04 Zhibin Liu , Zheng-Yu Niu , Hua Wu , Haifeng Wang

In this paper, a novel Generation-Evaluation framework is developed for multi-turn conversations with the objective of letting both participants know more about each other. For the sake of rational knowledge utilization and coherent…

Computation and Language · Computer Science 2019-06-04 Siqi Bao , Huang He , Fan Wang , Rongzhong Lian , Hua Wu

Knowledge-grounded dialogue systems are challenging to build due to the lack of training data and heterogeneous knowledge sources. Existing systems perform poorly on unseen topics due to limited topics covered in the training data. In…

Computation and Language · Computer Science 2022-08-02 Yu Li , Baolin Peng , Yelong Shen , Yi Mao , Lars Liden , Zhou Yu , Jianfeng Gao