中文
相关论文

相关论文: RT-KGD: Relation Transition Aware Knowledge-Ground…

200 篇论文

The knowledge graph (KG) is an essential form of knowledge representation that has grown in prominence in recent years. Because it concentrates on nominal entities and their relationships, traditional knowledge graphs are static and…

人工智能 · 计算机科学 2022-09-14 Feng Zhao , Ziqi Zhang , Donglin Wang

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…

计算与语言 · 计算机科学 2022-08-02 Yu Li , Baolin Peng , Yelong Shen , Yi Mao , Lars Liden , Zhou Yu , Jianfeng Gao

Knowledge graphs (KGs) have commonly been constructed using predefined symbolic relation schemas, typically implemented as categorical relation labels. This design has notable shortcomings: real-world relations are often contextual,…

计算与语言 · 计算机科学 2026-01-15 Kanyao Han , Yushang Lai

Knowledge Graph(KG) grounded conversations often use large pre-trained models and usually suffer from fact hallucination. Frequently entities with no references in knowledge sources and conversation history are introduced into responses,…

计算与语言 · 计算机科学 2023-01-12 Souvik Das , Sougata Saha , Rohini K. Srihari

Recently, the topic-grounded dialogue (TGD) system has become increasingly popular as its powerful capability to actively guide users to accomplish specific tasks through topic-guided conversations. Most existing works utilize side…

计算与语言 · 计算机科学 2024-06-05 Shixuan Fan , Wei Wei , Xiaofei Wen , Xianling Mao , Jixiong Chen , Dangyang Chen

Modeling real-world phenomena is a focus of many science and engineering efforts, such as ecological modeling and financial forecasting, to name a few. Building an accurate model for complex and dynamic systems improves understanding of…

人工智能 · 计算机科学 2021-03-02 Namyong Park , MinHyeok Kim , Nguyen Xuan Hoai , R. I. , McKay , Dong-Kyun Kim

To alleviate data sparsity and cold-start problems of traditional recommender systems (RSs), incorporating knowledge graphs (KGs) to supplement auxiliary information has attracted considerable attention recently. However, simply integrating…

信息检索 · 计算机科学 2022-01-04 Yankai Chen , Yaming Yang , Yujing Wang , Jing Bai , Xiangchen Song , Irwin King

The use of connectionist approaches in conversational agents has been progressing rapidly due to the availability of large corpora. However current generative dialogue models often lack coherence and are content poor. This work proposes an…

计算与语言 · 计算机科学 2018-09-17 Prasanna Parthasarathi , Joelle Pineau

A knowledge graph (KG) is a data structure which represents entities and relations as the vertices and edges of a directed graph with edge types. KGs are an important primitive in modern machine learning and artificial intelligence.…

人工智能 · 计算机科学 2021-10-20 Michael R. Douglas , Michael Simkin , Omri Ben-Eliezer , Tianqi Wu , Peter Chin , Trung V. Dang , Andrew Wood

Knowledge-grounded dialogue is a task of generating a fluent and informative response based on both conversation context and a collection of external knowledge, in which knowledge selection plays an important role and attracts more and more…

计算与语言 · 计算机科学 2021-09-01 Shilei Liu , Xiaofeng Zhao , Bochao Li , Feiliang Ren

In recent years, 3D models have been utilized in many applications, such as auto-driver, 3D reconstruction, VR, and AR. However, the scarcity of 3D model data does not meet its practical demands. Thus, generating high-quality 3D models…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Weizhi Nie , Ruidong Chen , Weijie Wang , Bruno Lepri , Nicu Sebe

Conversational question answering (convQA) over knowledge graphs (KGs) involves answering multi-turn natural language questions about information contained in a KG. State-of-the-art methods of ConvQA often struggle with inexplicit…

计算与语言 · 计算机科学 2024-04-01 Lihui Liu , Blaine Hill , Boxin Du , Fei Wang , Hanghang Tong

Due to the open world assumption, Knowledge Graphs (KGs) are never complete. In order to address this issue, various Link Prediction (LP) methods are proposed so far. Some of these methods are inductive LP models which are capable of…

人工智能 · 计算机科学 2022-11-22 Genet Asefa Gesese , Harald Sack , Mehwish Alam

The fusion of language models (LMs) and knowledge graphs (KGs) is widely used in commonsense question answering, but generating faithful explanations remains challenging. Current methods often overlook path decoding faithfulness, leading to…

计算与语言 · 计算机科学 2024-09-23 Weihe Zhai , Arkaitz Zubiaga

Text matching is the task of matching two texts and determining the relationship between them, which has extensive applications in natural language processing tasks such as reading comprehension, and Question-Answering systems. The…

计算与语言 · 计算机科学 2023-08-14 Kexin Jiang , Yahui Zhao , Guozhe Jin , Zhenguo Zhang , Rongyi Cui

Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

计算与语言 · 计算机科学 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Incorporating prior knowledge can improve existing pre-training models in cloze-style machine reading and has become a new trend in recent studies. Notably, most of the existing models have integrated external knowledge graphs (KG) and…

计算与语言 · 计算机科学 2023-09-25 Shima Foolad , Kourosh Kiani

The rapid evolution of communication technologies has led to an explosion of standards, rendering traditional expert-dependent consultation methods inefficient and slow. To address this challenge, we propose \textbf{KG2QA}, a question…

计算与语言 · 计算机科学 2025-10-16 Zhongze Luo , Weixuan Wan , Tianya Zhang , Dan Wang , Xiaoying Tang

In this research, we combine Transformer-based relation extraction with matching of knowledge graphs (KGs) and apply them to answering multiple-choice questions (MCQs) while maintaining the traceability of the output process. KGs are…

计算与语言 · 计算机科学 2025-11-19 Naoki Shimoda , Akihiro Yamamoto

Recent advances in large language models (LLMs) have led to impressive progress in natural language generation, yet their tendency to produce hallucinated or unsubstantiated content remains a critical concern. To improve factual…

计算与语言 · 计算机科学 2025-05-20 Xukai Liu , Ye Liu , Shiwen Wu , Yanghai Zhang , Yihao Yuan , Kai Zhang , Qi Liu