English
Related papers

Related papers: Knowledge Graph Context-Enhanced Diversified Recom…

200 papers

In recent years, the introduction of knowledge graphs (KGs) has significantly advanced recommender systems by facilitating the discovery of potential associations between items. However, existing methods still face several limitations.…

Information Retrieval · Computer Science 2025-04-18 Ziqiang Cui , Yunpeng Weng , Xing Tang , Fuyuan Lyu , Dugang Liu , Xiuqiang He , Chen Ma

Knowledge graphs (KGs) have proven to be effective for high-quality recommendation, where the connectivities between users and items provide rich and complementary information to user-item interactions. Most existing methods, however, are…

Information Retrieval · Computer Science 2021-09-16 Xiao Sha , Zhu Sun , Jie Zhang

The chit-chat-based conversational recommendation systems (CRS) provide item recommendations to users through natural language interactions. To better understand user's intentions, external knowledge graphs (KG) have been introduced into…

Computation and Language · Computer Science 2021-05-19 Tong Zhang , Yong Liu , Peixiang Zhong , Chen Zhang , Hao Wang , Chunyan Miao

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

Machine Learning · Computer Science 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

To alleviate sparsity and cold start problem of collaborative filtering based recommender systems, researchers and engineers usually collect attributes of users and items, and design delicate algorithms to exploit these additional…

Information Retrieval · Computer Science 2019-04-30 Hongwei Wang , Miao Zhao , Xing Xie , Wenjie Li , Minyi Guo

Using knowledge graphs to assist deep learning models in making recommendation decisions has recently been proven to effectively improve the model's interpretability and accuracy. This paper introduces an end-to-end deep learning model,…

Information Retrieval · Computer Science 2024-04-11 Chen Li , Yang Cao , Ye Zhu , Debo Cheng , Chengyuan Li , Yasuhiko Morimoto

Language agents have recently been used to simulate human behavior and user-item interactions for recommendation systems. However, current language agent simulations do not understand the relationships between users and items, leading to…

Artificial Intelligence · Computer Science 2025-01-28 Taicheng Guo , Chaochun Liu , Hai Wang , Varun Mannam , Fang Wang , Xin Chen , Xiangliang Zhang , Chandan K. Reddy

These years much effort has been devoted to improving the accuracy or relevance of the recommendation system. Diversity, a crucial factor which measures the dissimilarity among the recommended items, received rather little scrutiny.…

Information Retrieval · Computer Science 2021-08-17 Yu Zheng , Chen Gao , Liang Chen , Depeng Jin , Yong Li

Intelligent systems designed using machine learning algorithms require a large number of labeled data. Background knowledge provides complementary, real world factual information that can augment the limited labeled data to train a machine…

Artificial Intelligence · Computer Science 2020-05-12 Shreyansh Bhatt , Amit Sheth , Valerie Shalin , Jinjin Zhao

Sequential recommendation is an extensively explored approach to capturing users' evolving preferences based on past interactions, aimed at predicting their next likely choice. Despite significant advancements in this domain, including…

Information Retrieval · Computer Science 2025-04-15 Kowei Shih , Yi Han , Li Tan

Modern recommender systems aim to deeply understand users' complex preferences through their past interactions. While deep collaborative filtering approaches using Graph Neural Networks (GNNs) excel at capturing user-item relationships,…

Information Retrieval · Computer Science 2025-06-03 Yangqin Jiang , Yuhao Yang , Lianghao Xia , Da Luo , Kangyi Lin , Chao Huang

To provide more accurate, diverse, and explainable recommendation, it is compulsory to go beyond modeling user-item interactions and take side information into account. Traditional methods like factorization machine (FM) cast it as a…

Machine Learning · Computer Science 2019-06-11 Xiang Wang , Xiangnan He , Yixin Cao , Meng Liu , Tat-Seng Chua

Recommender Systems (RecSys) have become indispensable in numerous applications, profoundly influencing our everyday experiences. Despite their practical significance, academic research in RecSys often abstracts the formulation of research…

Information Retrieval · Computer Science 2024-06-25 Aixin Sun

Knowledge Graphs (KGs) enable applications in various domains such as semantic search, recommendation systems, and natural language processing. KGs are often incomplete, missing entities and relations, an issue addressed by Knowledge Graph…

Computation and Language · Computer Science 2025-08-22 Haji Gul , Abul Ghani Naim , Ajaz Ahmad Bhat

Knowledge Graph Completion (KGC) fundamentally hinges on the coherent fusion of pre-trained entity semantics with heterogeneous topological structures to facilitate robust relational reasoning. However, existing paradigms encounter a…

Artificial Intelligence · Computer Science 2026-02-12 Xuecheng Zou , Yu Tang , Bingbing Wang

Traditional recommendation proposals, including content-based and collaborative filtering, usually focus on similarity between items or users. Existing approaches lack ways of introducing unexpectedness into recommendations, prioritizing…

Information Retrieval · Computer Science 2024-05-15 Oliver Baumann , Durgesh Nandini , Anderson Rossanez , Mirco Schoenfeld , Julio Cesar dos Reis

Knowledge Graphs (KGs) represent real-world noisy raw information in a structured form, capturing relationships between entities. However, for dynamic real-world applications such as social networks, recommender systems, computational…

Artificial Intelligence · Computer Science 2020-03-26 Amit Sheth , Swati Padhee , Amelie Gyrard

State-of-the-art methods on conversational recommender systems (CRS) leverage external knowledge to enhance both items' and contextual words' representations to achieve high quality recommendations and responses generation. However, the…

Information Retrieval · Computer Science 2023-04-19 Huy Dao , Dung D. Le , Cuong Chu

Knowledge graphs (KGs) are important products of the semantic web, which are widely used in various application domains. Healthcare is one of such domains where KGs are intensively used, due to the high requirement for knowledge accuracy…

Artificial Intelligence · Computer Science 2025-07-31 Yuzhang Xie , Xu Han , Ran Xu , Xiao Hu , Jiaying Lu , Carl Yang

Despite advancements in Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) systems, their effectiveness is often hindered by a lack of integration with entity relationships and community structures, limiting their ability…

Computation and Language · Computer Science 2024-08-19 Rong-Ching Chang , Jiawei Zhang