中文
相关论文

相关论文: PKGM: A Pre-trained Knowledge Graph Model for E-co…

200 篇论文

The majority of knowledge graph embedding techniques treat entities and predicates as separate embedding matrices, using aggregation functions to build a representation of the input triple. However, these aggregations are lossy, i.e. they…

计算与语言 · 计算机科学 2022-08-23 Alexander Kalinowski , Yuan An

Conversational Recommender Systems (CRSs) in E-commerce platforms aim to recommend items to users via multiple conversational interactions. Click-through rate (CTR) prediction models are commonly used for ranking candidate items. However,…

信息检索 · 计算机科学 2021-05-03 Chi-Man Wong , Fan Feng , Wen Zhang , Chi-Man Vong , Hui Chen , Yichi Zhang , Peng He , Huan Chen , Kun Zhao , Huajun Chen

Knowledge graph completion (KGC) aims to infer missing knowledge triples based on known facts in a knowledge graph. Current KGC research mostly follows an entity ranking protocol, wherein the effectiveness is measured by the predicted rank…

计算与语言 · 计算机科学 2022-05-16 Ying Zhou , Xuanang Chen , Ben He , Zheng Ye , Le Sun

In this paper, we present KGvec2go, a Web API for accessing and consuming graph embeddings in a light-weight fashion in downstream applications. Currently, we serve pre-trained embeddings for four knowledge graphs. We introduce the service…

计算与语言 · 计算机科学 2020-03-13 Jan Portisch , Michael Hladik , Heiko Paulheim

Recommendation systems, as widely implemented nowadays on various platforms, recommend relevant items to users based on their preferences. The classical methods which rely on user-item interaction matrices has limitations, especially in…

信息检索 · 计算机科学 2025-01-13 Guangyi Liu , Quanming Yao , Yongqi Zhang , Lei Chen

Solving cold-start problems is indispensable to provide meaningful recommendation results for new users and items. Under sparsely observed data, unobserved user-item pairs are also a vital source for distilling latent users' information…

信息检索 · 计算机科学 2020-11-11 Riku Togashi , Mayu Otani , Shin'ichi Satoh

Knowledge graph completion (KGC) aims to predict missing facts in knowledge graphs (KGs), which is crucial as modern KGs remain largely incomplete. While training KGC models on multiple aligned KGs can improve performance, previous methods…

计算与语言 · 计算机科学 2023-12-19 Wei Tang , Zhiqian Wu , Yixin Cao , Yong Liao , Pengyuan Zhou

Sourcing and identification of new manufacturing partners is crucial for manufacturing system integrators to enhance agility and reduce risk through supply chain diversification in the global economy. The advent of advanced large language…

人工智能 · 计算机科学 2024-04-11 Yunqing Li , Binil Starly

The proliferation of e-commerce and urbanization has significantly intensified delivery operations in urban areas, boosting the volume and complexity of delivery demand. Data-driven predictive methods, especially those utilizing machine…

机器学习 · 计算机科学 2025-03-28 Tong Nie , Junlin He , Yuewen Mei , Guoyang Qin , Guilong Li , Jian Sun , Wei Ma

Incorporating factual knowledge into pre-trained language models (PLM) such as BERT is an emerging trend in recent NLP studies. However, most of the existing methods combine the external knowledge integration module with a modified…

计算与语言 · 计算机科学 2022-05-06 Yinquan Lu , Haonan Lu , Guirong Fu , Qun Liu

In this paper, we propose a new approach for the computation of the statistics of knowledge graphs. We introduce a schema graph that represents the main framework for the computation of the statistics. The core of the procedure is an…

数据库 · 计算机科学 2021-09-21 Iztok Savnik , Kiyoshi Nitta , Riste Skrekovski , Nikolaus Augsten

The quality assurance of the knowledge graph is a prerequisite for various knowledge-driven applications. We propose KGClean, a novel cleaning framework powered by knowledge graph embedding, to detect and repair the heterogeneous dirty…

数据库 · 计算机科学 2020-05-01 Congcong Ge , Yunjun Gao , Honghui Weng , Chong Zhang , Xiaoye Miao , Baihua Zheng

Recommendation systems suffer in the strict cold-start (SCS) scenario, where the user-item interactions are entirely unavailable. The ID-based approaches completely fail to work. Cold-start recommenders, on the other hand, leverage item…

信息检索 · 计算机科学 2023-06-27 Yuwei Cao , Liangwei Yang , Chen Wang , Zhiwei Liu , Hao Peng , Chenyu You , Philip S. Yu

Knowledge-Enhanced Pre-trained Language Models (KEPLMs) are pre-trained models with relation triples injecting from knowledge graphs to improve language understanding abilities. To guarantee effective knowledge injection, previous studies…

计算与语言 · 计算机科学 2022-10-18 Taolin Zhang , Chengyu Wang , Nan Hu , Minghui Qiu , Chengguang Tang , Xiaofeng He , Jun Huang

Knowledge graph completion (KGC) tasks aim to infer missing facts in a knowledge graph (KG) for many knowledge-intensive applications. However, existing embedding-based KGC approaches primarily rely on factual triples, potentially leading…

人工智能 · 计算机科学 2024-10-08 Guanglin Niu , Bo Li , Siling Feng

Designing accurate deep learning models for molecular property prediction plays an increasingly essential role in drug and material discovery. Recently, due to the scarcity of labeled molecules, self-supervised learning methods for learning…

生物大分子 · 定量生物学 2022-06-08 Han Li , Dan Zhao , Jianyang Zeng

Knowledge graphs (KG) are essential background knowledge providers in many tasks. When designing models for KG-related tasks, one of the key tasks is to devise the Knowledge Representation and Fusion (KRF) module that learns the…

机器学习 · 计算机科学 2023-03-08 Wen Zhang , Yushan Zhu , Mingyang Chen , Yuxia Geng , Yufeng Huang , Yajing Xu , Wenting Song , Huajun Chen

To solve the inherent incompleteness of knowledge graphs (KGs), numbers of knowledge graph completion (KGC) models have been proposed to predict missing links from known triples. Among those, several works have achieved more advanced…

人工智能 · 计算机科学 2023-06-21 Jining Wang , Chuan Chen , Zibin Zheng , Yuren Zhou

Knowledge graphs have evolved rapidly in recent years and their usefulness has been demonstrated in many artificial intelligence tasks. However, knowledge graphs often have lots of missing facts. To solve this problem, many knowledge graph…

人工智能 · 计算机科学 2019-04-08 Takuma Ebisu , Ryutaro Ichise

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…

人工智能 · 计算机科学 2020-05-12 Shreyansh Bhatt , Amit Sheth , Valerie Shalin , Jinjin Zhao