English
Related papers

Related papers: An Efficient Recommendation Model Based on Knowled…

200 papers

Interactive recommendation aims to learn from dynamic interactions between items and users to achieve responsiveness and accuracy. Reinforcement learning is inherently advantageous for coping with dynamic environments and thus has attracted…

Information Retrieval · Computer Science 2020-12-02 Xiaocong Chen , Chaoran Huang , Lina Yao , Xianzhi Wang , Wei Liu , Wenjie Zhang

Knowledge graph question answering (KGQA) based on information retrieval aims to answer a question by retrieving answer from a large-scale knowledge graph. Most existing methods first roughly retrieve the knowledge subgraphs (KSG) that may…

Computation and Language · Computer Science 2022-10-06 Hanning Gao , Lingfei Wu , Po Hu , Zhihua Wei , Fangli Xu , Bo Long

In the contemporary age characterized by information abundance, rapid advancements in artificial intelligence have rendered recommendation systems indispensable. Conventional recommendation methodologies based on collaborative filtering or…

Information Retrieval · Computer Science 2025-09-04 Yu Fang

Graph representation learning methods have been widely adopted in financial applications to enhance company representations by leveraging inter-firm relationships. However, current approaches face three key challenges: (1) The advantages of…

Statistical Finance · Quantitative Finance 2025-07-04 Yingjie Niu , Mingchuan Zhao , Valerio Poti , Ruihai Dong

Recently, deep neural network models for graph-structured data have been demonstrating to be influential in recommendation systems. Graph Neural Network (GNN), which can generate high-quality embeddings by capturing graph-structured…

Social and Information Networks · Computer Science 2021-03-11 Ziheng Duan , Yueyang Wang , Weihao Ye , Zixuan Feng , Qilin Fan , Xiuhua Li

In recent years, the use of edge information provided by knowledge graphs together with the advantages of higher-order connectivity in graph neural networks for recommendation systems has become an important research direction. However,…

Information Retrieval · Computer Science 2026-05-12 Zhifei Hu , Feng Xia

This study aims to improve knowledge-based question-answering (QA) systems by overcoming the limitations of existing Retrieval-Augmented Generation (RAG) models and implementing an advanced RAG system based on Graph technology to develop…

Artificial Intelligence · Computer Science 2024-10-04 Cheonsu Jeong

Knowledge graphs (KGs) have been widely adopted to mitigate data sparsity and address cold-start issues in recommender systems. While existing KGs-based recommendation methods can predict user preferences and demands, they fall short in…

Information Retrieval · Computer Science 2024-08-07 Shangfei Zheng , Hongzhi Yin , Tong Chen , Xiangjie Kong , Jian Hou , Pengpeng Zhao

Knowledge Graph (KG) and attention mechanism have been demonstrated effective in introducing and selecting useful information for weakly supervised methods. However, only qualitative analysis and ablation study are provided as evidence. In…

Computation and Language · Computer Science 2021-11-19 Zikun Hu , Yixin Cao , Lifu Huang , Tat-Seng Chua

Knowledge graph completion (KGC) has become a focus of attention across deep learning community owing to its excellent contribution to numerous downstream tasks. Although recently have witnessed a surge of work on KGC, they are still…

Artificial Intelligence · Computer Science 2021-10-12 Junkang Wu , Wentao Shi , Xuezhi Cao , Jiawei Chen , Wenqiang Lei , Fuzheng Zhang , Wei Wu , Xiangnan He

Large language models with retrieval-augmented generation encounter a pivotal challenge in intricate retrieval tasks, e.g., multi-hop question answering, which requires the model to navigate across multiple documents and generate…

Information Retrieval · Computer Science 2025-05-06 Weijie Chen , Ting Bai , Jinbo Su , Jian Luan , Wei Liu , Chuan Shi

As the rapid development of Intelligent Tutoring Systems (ITS) in the past decade, tracing the students' knowledge state has become more and more important in order to provide individualized learning guidance. This is the main idea of…

Computers and Society · Computer Science 2023-05-18 Zhongfeng Jia , Wei Su , Jiamin Liu , Wenli Yue

In recent years recommendation systems typically employ the edge information provided by knowledge graphs combined with the advantages of high-order connectivity of graph networks in the recommendation field. However, this method is limited…

Information Retrieval · Computer Science 2025-02-24 Feng Xia , Zhifei Hu

This work explores unifying knowledge enhanced recommendation with multi-domain recommendation systems in a conversational AI assistant application. Multi-domain recommendation leverages users' interactions in previous domains to improve…

Information Retrieval · Computer Science 2025-03-26 Elan Markowitz , Ziyan Jiang , Fan Yang , Xing Fan , Tony Chen , Greg Ver Steeg , Aram Galstyan

Knowledge graph embedding methods learn embeddings of entities and relations in a low dimensional space which can be used for various downstream machine learning tasks such as link prediction and entity matching. Various graph convolutional…

Machine Learning · Computer Science 2021-02-16 Nasrullah Sheikh , Xiao Qin , Berthold Reinwald , Christoph Miksovic , Thomas Gschwind , Paolo Scotton

Existing research usually utilizes side information such as social network or item attributes to improve the performance of collaborative filtering-based recommender systems. In this paper, the knowledge graph with user perception is used…

Information Retrieval · Computer Science 2022-10-10 Yuyao Zeng , Junping Du , Zhe Xue , Ang Li

This paper studies graph-based recommendation, where an interaction graph is constructed from historical records and is lever-aged to alleviate data sparsity and cold start problems. We reveal an early summarization problem in existing…

Information Retrieval · Computer Science 2020-02-17 Yanru Qu , Ting Bai , Weinan Zhang , Jianyun Nie , Jian Tang

Retrieval-Augmented Generation (RAG) enhances language models by grounding responses in external information, yet explainability remains a critical challenge, particularly when retrieval relies on unstructured text. Knowledge graphs (KGs)…

Machine Learning · Computer Science 2025-07-14 Georgios Balanos , Evangelos Chasanis , Konstantinos Skianis , Evaggelia Pitoura

Knowledge graphs have proven to be effective for modeling entities and their relationships through the use of ontologies. The recent emergence in interest for using knowledge graphs as a form of information modeling has led to their…

Artificial Intelligence · Computer Science 2023-07-21 Ngoc Luyen Le , Marie-Hélène Abel , Philippe Gouspillou

The remarkable progress of network embedding has led to state-of-the-art algorithms in recommendation. However, the sparsity of user-item interactions (i.e., explicit preferences) on websites remains a big challenge for predicting users'…

Information Retrieval · Computer Science 2019-07-30 Jun Zhao , Zhou Zhou , Ziyu Guan , Wei Zhao , Wei Ning , Guang Qiu , Xiaofei He