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相关论文: Context-aware Entity Typing in Knowledge Graphs

200 篇论文

Dependency graph, as a heterogeneous graph representing the intrinsic relationships between different pairs of system entities, is essential to many data analysis applications, such as root cause diagnosis, intrusion detection, etc. Given a…

人工智能 · 计算机科学 2017-08-29 Chen Luo , Zhengzhang Chen , Lu-An Tang , Anshumali Shrivastava , Zhichun Li

Entity alignment is a crucial step in integrating knowledge graphs (KGs) from multiple sources. Previous attempts at entity alignment have explored different KG structures, such as neighborhood-based and path-based contexts, to learn entity…

人工智能 · 计算机科学 2022-01-04 Kexuan Xin , Zequn Sun , Wen Hua , Wei Hu , Xiaofang Zhou

This study proposes a Neural Attentive Bag-of-Entities model, which is a neural network model that performs text classification using entities in a knowledge base. Entities provide unambiguous and relevant semantic signals that are…

计算与语言 · 计算机科学 2019-09-11 Ikuya Yamada , Hiroyuki Shindo

Graph mining to extract interesting components has been studied in various guises, e.g., communities, dense subgraphs, cliques. However, most existing works are based on notions of frequency and connectivity and do not capture subjective…

社会与信息网络 · 计算机科学 2016-08-15 Hao Wu , Maoyuan Sun , Jilles Vreeken , Nikolaj Tatti , Chris North , Naren Ramakrishnan

Knowledge Graph Completion is a task of expanding the knowledge graph/base through estimating possible entities, or proper nouns, that can be connected using a set of predefined relations, or verb/predicates describing interconnections of…

计算与语言 · 计算机科学 2021-01-25 Tong Chen , Sirou Zhu , Yiming Wen , Zhaomin Zheng

Existing entity typing systems usually exploit the type hierarchy provided by knowledge base (KB) schema to model label correlations and thus improve the overall performance. Such techniques, however, are not directly applicable to more…

计算与语言 · 计算机科学 2019-03-08 Wenhan Xiong , Jiawei Wu , Deren Lei , Mo Yu , Shiyu Chang , Xiaoxiao Guo , William Yang Wang

This paper studies a new cognitively motivated semantic typing task, multi-axis event process typing, that, given an event process, attempts to infer free-form type labels describing (i) the type of action made by the process and (ii) the…

计算与语言 · 计算机科学 2020-10-15 Muhao Chen , Hongming Zhang , Haoyu Wang , Dan Roth

Knowledge graph learning plays a critical role in integrating domain specific knowledge bases when deploying machine learning and data mining models in practice. Existing methods on knowledge graph learning primarily focus on modeling the…

计算与语言 · 计算机科学 2019-11-27 Bo Peng , Renqiang Min , Xia Ning

Entity Linking involves detecting and linking entity mentions in natural language texts to a knowledge graph. Traditional methods use a two-step process with separate models for entity recognition and disambiguation, which can be…

计算与语言 · 计算机科学 2025-10-23 Daniel Vollmers , Hamada M. Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

Text Summarization is recognised as one of the NLP downstream tasks and it has been extensively investigated in recent years. It can assist people with perceiving the information rapidly from the Internet, including news articles, social…

计算与语言 · 计算机科学 2022-12-08 Guan Wang , Weihua Li , Edmund Lai , Jianhua Jiang

Entity Alignment (EA) has attracted widespread attention in both academia and industry, which aims to seek entities with same meanings from different Knowledge Graphs (KGs). There are substantial multi-step relation paths between entities…

计算与语言 · 计算机科学 2022-08-09 Weishan Cai , Wenjun Ma , Jieyu Zhan , Yuncheng Jiang

Entity alignment (EA) is to identify equivalent entities across different knowledge graphs (KGs), which can help fuse these KGs into a more comprehensive one. Previous EA methods mainly focus on aligning a pair of KGs, and to the best of…

计算与语言 · 计算机科学 2025-02-12 Yaming Yang , Zhe Wang , Ziyu Guan , Wei Zhao , Weigang Lu , Xinyan Huang , Jiangtao Cui , Xiaofei He

Knowledge Graphs (KGs) are foundational structures in many AI applications, representing entities and their interrelations through triples. However, triple-based KGs lack the contextual information of relational knowledge, like temporal…

人工智能 · 计算机科学 2024-07-01 Chengjin Xu , Muzhi Li , Cehao Yang , Xuhui Jiang , Lumingyuan Tang , Yiyan Qi , Jian Guo

Recently, knowledge graph embedding, which projects symbolic entities and relations into continuous vector space, has become a new, hot topic in artificial intelligence. This paper addresses a new issue of multiple relation semantics that a…

计算与语言 · 计算机科学 2017-09-11 Han Xiao , Minlie Huang , Yu Hao , Xiaoyan Zhu

We introduce a new method DOLORES for learning knowledge graph embeddings that effectively captures contextual cues and dependencies among entities and relations. First, we note that short paths on knowledge graphs comprising of chains of…

计算与语言 · 计算机科学 2020-07-30 Haoyu Wang , Vivek Kulkarni , William Yang Wang

To resolve the semantic ambiguity in texts, we propose a model, which innovatively combines a knowledge graph with an improved attention mechanism. An existing knowledge base is utilized to enrich the text with relevant contextual concepts.…

计算与语言 · 计算机科学 2024-01-30 Siyu Li , Lu Chen , Chenwei Song , Xinyi Liu

Coreference resolution across multiple documents poses a significant challenge in natural language processing, particularly within the domain of knowledge graphs. This study introduces an innovative method aimed at identifying and resolving…

计算与语言 · 计算机科学 2025-04-09 Zhang Dong , Mingbang Wang , Songhang deng , Le Dai , Jiyuan Li , Xingzu Liu , Ruilin Nong

Extracting useful signals or pattern to support important business decisions for example analyzing investment product traction and discovering customer preference, risk monitoring etc. from unstructured text is a challenging task. Capturing…

计算与语言 · 计算机科学 2025-06-03 Anshika Rawal , Abhijeet Kumar , Mridul Mishra

Knowledge Graphs (KGs) have been applied to many tasks including Web search, link prediction, recommendation, natural language processing, and entity linking. However, most KGs are far from complete and are growing at a rapid pace. To…

人工智能 · 计算机科学 2017-11-10 Baoxu Shi , Tim Weninger

Extraction from raw text to a knowledge base of entities and fine-grained types is often cast as prediction into a flat set of entity and type labels, neglecting the rich hierarchies over types and entities contained in curated ontologies.…

计算与语言 · 计算机科学 2018-07-16 Shikhar Murty* , Patrick Verga* , Luke Vilnis , Irena Radovanovic , Andrew McCallum