English
Related papers

Related papers: End-to-End Entity Resolution and Question Answerin…

200 papers

Question answering over knowledge graphs (KG-QA) is a vital topic in IR. Questions with temporal intent are a special class of practical importance, but have not received much attention in research. This work presents EXAQT, the first…

Information Retrieval · Computer Science 2021-09-21 Zhen Jia , Soumajit Pramanik , Rishiraj Saha Roy , Gerhard Weikum

Previous works on knowledge-to-text generation take as input a few RDF triples or key-value pairs conveying the knowledge of some entities to generate a natural language description. Existing datasets, such as WIKIBIO, WebNLG, and E2E,…

Computation and Language · Computer Science 2020-10-27 Liying Cheng , Dekun Wu , Lidong Bing , Yan Zhang , Zhanming Jie , Wei Lu , Luo Si

Question answering over knowledge graphs (KGQA) has evolved from simple single-fact questions to complex questions that require graph traversal and aggregation. We propose a novel approach for complex KGQA that uses unsupervised message…

Computation and Language · Computer Science 2019-08-20 Svitlana Vakulenko , Javier David Fernandez Garcia , Axel Polleres , Maarten de Rijke , Michael Cochez

Entity Alignment (EA) aims to match equivalent entities in different Knowledge Graphs (KGs), which is essential for knowledge fusion and integration. Recently, embedding-based EA has attracted significant attention and many approaches have…

Computation and Language · Computer Science 2024-08-05 Zhichun Wang , Xuan Chen

Semantic embedding has been widely investigated for aligning knowledge graph (KG) entities. Current methods have explored and utilized the graph structure, the entity names and attributes, but ignore the ontology (or ontological schema)…

Computation and Language · Computer Science 2021-05-25 Yuejia Xiang , Ziheng Zhang , Jiaoyan Chen , Xi Chen , Zhenxi Lin , Yefeng Zheng

Entity Alignment (EA) identifies entities across databases that refer to the same entity. Knowledge graph-based embedding methods have recently dominated EA techniques. Such methods map entities to a low-dimension space and align them based…

Artificial Intelligence · Computer Science 2022-05-19 Deepak Chaurasiya , Anil Surisetty , Nitish Kumar , Alok Singh , Vikrant Dey , Aakarsh Malhotra , Gaurav Dhama , Ankur Arora

In the last decade, the field of Neural Language Modelling has witnessed enormous changes, with the development of novel models through the use of Transformer architectures. However, even these models struggle to model long sequences due to…

Computation and Language · Computer Science 2020-11-12 Nikolaos Stylianou , Ioannis Vlahavas

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…

Computation and Language · Computer Science 2025-02-12 Yaming Yang , Zhe Wang , Ziyu Guan , Wei Zhao , Weigang Lu , Xinyan Huang , Jiangtao Cui , Xiaofei He

Knowledge Graphs (KGs) are graph-structured knowledge bases storing factual information about real-world entities. Understanding the uniqueness of each entity is crucial to the analyzing, sharing, and reusing of KGs. Traditional profiling…

Artificial Intelligence · Computer Science 2020-03-03 Xiang Zhang , Qingqing Yang , Jinru Ding , Ziyue Wang

Knowledge-Based Visual Question Answering (KBVQA) is a bi-modal task requiring external world knowledge in order to correctly answer a text question and associated image. Recent single modality text work has shown knowledge injection into…

Computation and Language · Computer Science 2022-05-30 Diego Garcia-Olano , Yasumasa Onoe , Joydeep Ghosh

Entity alignment aims at integrating heterogeneous knowledge from different knowledge graphs. Recent studies employ embedding-based methods by first learning the representation of Knowledge Graphs and then performing entity alignment via…

Machine Learning · Computer Science 2022-01-28 Xinhang Li , Yong Zhang , Chunxiao Xing

In recent years, we have witnessed the proliferation of knowledge graphs (KG) in various domains, aiming to support applications like question answering, recommendations, etc. A frequent task when integrating knowledge from different KGs is…

Databases · Computer Science 2023-06-08 Nikolaos Fanourakis , Vasilis Efthymiou , Dimitris Kotzinos , Vassilis Christophides

Question Answering systems are generally modelled as a pipeline consisting of a sequence of steps. In such a pipeline, Entity Linking (EL) is often the first step. Several EL models first perform span detection and then entity…

Computation and Language · Computer Science 2020-09-02 Debayan Banerjee , Debanjan Chaudhuri , Mohnish Dubey , Jens Lehmann

Knowledge Graph Alignment (KGA) aims to integrate knowledge from multiple sources to address the limitations of individual Knowledge Graphs (KGs) in terms of coverage and depth. However, current KGA models fall short in achieving a…

Computation and Language · Computer Science 2024-07-26 Xiaohan Fang , Chaozhuo Li , Yi Zhao , Qian Zang , Litian Zhang , Jiquan Peng , Xi Zhang , Jibing Gong

Stance detection is typically framed as predicting the sentiment in a given text towards a target entity. However, this setup overlooks the importance of the source entity, i.e., who is expressing the opinion. In this paper, we emphasize…

Computation and Language · Computer Science 2022-11-04 Xinliang Frederick Zhang , Nick Beauchamp , Lu Wang

Text-to-SQL parsing and end-to-end question answering (E2E TQA) are two main approaches for Table-based Question Answering task. Despite success on multiple benchmarks, they have yet to be compared and their synergy remains unexplored. In…

Computation and Language · Computer Science 2024-10-01 Siyue Zhang , Anh Tuan Luu , Chen Zhao

Entity Alignment (EA) aims to find the equivalent entities between two Knowledge Graphs (KGs). Existing methods usually encode the triples of entities as embeddings and learn to align the embeddings, which prevents the direct interaction…

Computation and Language · Computer Science 2023-05-22 Yu Zhao , Yike Wu , Xiangrui Cai , Ying Zhang , Haiwei Zhang , Xiaojie Yuan

Embedding-based entity alignment (EEA) has recently received great attention. Despite significant performance improvement, few efforts have been paid to facilitate understanding of EEA methods. Most existing studies rest on the assumption…

Computation and Language · Computer Science 2021-10-22 Lingbing Guo , Zequn Sun , Mingyang Chen , Wei Hu , Qiang Zhang , Huajun Chen

Answering complex logical queries on incomplete knowledge graphs (KGs) with missing edges is a fundamental and important task for knowledge graph reasoning. The query embedding method is proposed to answer these queries by jointly encoding…

Computation and Language · Computer Science 2022-04-28 Jiaxin Bai , Zihao Wang , Hongming Zhang , Yangqiu Song

Entity resolution (ER) is the task of identifying different representations of the same real-world entities across databases. It is a key step for knowledge base creation and text mining. Recent adaptation of deep learning methods for ER…

Databases · Computer Science 2019-06-20 Jungo Kasai , Kun Qian , Sairam Gurajada , Yunyao Li , Lucian Popa