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Knowledge Base Completion (KBC), which aims at determining the missing relations between entity pairs, has received increasing attention in recent years. Most existing KBC methods focus on either embedding the Knowledge Base (KB) into a…

Artificial Intelligence · Computer Science 2020-05-20 Chen Li , Xutan Peng , Shanghang Zhang , Hao Peng , Philip S. Yu , Min He , Linfeng Du , Lihong Wang

Large-scale knowledge bases have currently reached impressive sizes; however, these knowledge bases are still far from complete. In addition, most of the existing methods for knowledge base completion only consider the direct links between…

Computation and Language · Computer Science 2017-02-27 Xixun Lin , Yanchun Liang , Fausto Giunchiglia , Xiaoyue Feng , Renchu Guan

Knowledge bases (KB), both automatically and manually constructed, are often incomplete --- many valid facts can be inferred from the KB by synthesizing existing information. A popular approach to KB completion is to infer new relations by…

Computation and Language · Computer Science 2019-01-01 Rajarshi Das , Shehzaad Dhuliawala , Manzil Zaheer , Luke Vilnis , Ishan Durugkar , Akshay Krishnamurthy , Alex Smola , Andrew McCallum

We consider learning representations of entities and relations in KBs using the neural-embedding approach. We show that most existing models, including NTN (Socher et al., 2013) and TransE (Bordes et al., 2013b), can be generalized under a…

Computation and Language · Computer Science 2015-09-01 Bishan Yang , Wen-tau Yih , Xiaodong He , Jianfeng Gao , Li Deng

In this paper, we propose a novel embedding model, named ConvKB, for knowledge base completion. Our model ConvKB advances state-of-the-art models by employing a convolutional neural network, so that it can capture global relationships and…

Computation and Language · Computer Science 2018-08-14 Dai Quoc Nguyen , Tu Dinh Nguyen , Dat Quoc Nguyen , Dinh Phung

The recent proliferation of knowledge graphs (KGs) coupled with incomplete or partial information, in the form of missing relations (links) between entities, has fueled a lot of research on knowledge base completion (also known as relation…

Machine Learning · Computer Science 2019-06-05 Deepak Nathani , Jatin Chauhan , Charu Sharma , Manohar Kaul

Knowledge graphs store facts using relations between two entities. In this work, we address the question of link prediction in knowledge hypergraphs where relations are defined on any number of entities. While techniques exist (such as…

Machine Learning · Computer Science 2020-07-16 Bahare Fatemi , Perouz Taslakian , David Vazquez , David Poole

In this position paper, we propose a new approach to generating a type of knowledge base (KB) from text, based on question generation and entity linking. We argue that the proposed type of KB has many of the key advantages of a traditional…

Artificial Intelligence · Computer Science 2022-07-05 Wenhu Chen , William W. Cohen , Michiel De Jong , Nitish Gupta , Alessandro Presta , Pat Verga , John Wieting

Multi-hop logical reasoning is an established problem in the field of representation learning on knowledge graphs (KGs). It subsumes both one-hop link prediction as well as other more complex types of logical queries. Existing algorithms…

Artificial Intelligence · Computer Science 2022-09-07 Dimitrios Alivanistos , Max Berrendorf , Michael Cochez , Mikhail Galkin

Neural models of Knowledge Base data have typically employed compositional representations of graph objects: entity and relation embeddings are systematically combined to evaluate the truth of a candidate Knowedge Base entry. Using a model…

Computation and Language · Computer Science 2019-08-14 Matthias Lalisse , Paul Smolensky

Representation learning of knowledge bases (KBs) aims to embed both entities and relations into a low-dimensional space. Most existing methods only consider direct relations in representation learning. We argue that multiple-step relation…

Computation and Language · Computer Science 2015-08-18 Yankai Lin , Zhiyuan Liu , Huanbo Luan , Maosong Sun , Siwei Rao , Song Liu

Multihop Question Answering is a complex Natural Language Processing task that requires multiple steps of reasoning to find the correct answer to a given question. Previous research has explored the use of models based on Graph Neural…

Computation and Language · Computer Science 2022-10-14 Ieva Staliūnaitė , Philip John Gorinski , Ignacio Iacobacci

Our goal is to combine the rich multistep inference of symbolic logical reasoning with the generalization capabilities of neural networks. We are particularly interested in complex reasoning about entities and relations in text and…

Computation and Language · Computer Science 2017-05-02 Rajarshi Das , Arvind Neelakantan , David Belanger , Andrew McCallum

This paper contributes a novel embedding model which measures the probability of each belief $\langle h,r,t,m\rangle$ in a large-scale knowledge repository via simultaneously learning distributed representations for entities ($h$ and $t$),…

Artificial Intelligence · Computer Science 2015-05-25 Miao Fan , Qiang Zhou , Andrew Abel , Thomas Fang Zheng , Ralph Grishman

Reasoning over paths in large scale knowledge graphs is an important problem for many applications. In this paper we discuss a simple approach to automatically build and rank paths between a source and target entity pair with learned…

Artificial Intelligence · Computer Science 2019-11-04 Saatviga Sudhahar , Ian Roberts , Andrea Pierleoni

Predicting missing links between entities in a knowledge graph is a fundamental task to deal with the incompleteness of data on the Web. Knowledge graph embeddings map nodes into a vector space to predict new links, scoring them according…

Artificial Intelligence · Computer Science 2023-02-14 Cosimo Gregucci , Mojtaba Nayyeri , Daniel Hernández , Steffen Staab

Universal schema builds a knowledge base (KB) of entities and relations by jointly embedding all relation types from input KBs as well as textual patterns expressing relations from raw text. In most previous applications of universal…

Computation and Language · Computer Science 2016-03-04 Patrick Verga , David Belanger , Emma Strubell , Benjamin Roth , Andrew McCallum

Since large knowledge bases are typically incomplete, missing facts need to be inferred from observed facts in a task called knowledge base completion. The most successful approaches to this task have typically explored explicit paths…

Artificial Intelligence · Computer Science 2018-04-24 Yelong Shen , Po-Sen Huang , Ming-Wei Chang , Jianfeng Gao

Path queries on a knowledge graph can be used to answer compositional questions such as "What languages are spoken by people living in Lisbon?". However, knowledge graphs often have missing facts (edges) which disrupts path queries. Recent…

Computation and Language · Computer Science 2015-08-20 Kelvin Guu , John Miller , Percy Liang

Knowledge graphs (KGs) are the key components of various natural language processing applications. To further expand KGs' coverage, previous studies on knowledge graph completion usually require a large number of training instances for each…

Computation and Language · Computer Science 2018-08-29 Wenhan Xiong , Mo Yu , Shiyu Chang , Xiaoxiao Guo , William Yang Wang
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