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Since long, corporations are looking for knowledge sources which can provide structured description of data and can focus on meaning and shared understanding. Structures which can facilitate open world assumptions and can be flexible enough…

Artificial Intelligence · Computer Science 2014-03-31 Iti Mathur , Nisheeth Joshi , Hemant Darbari , Ajai Kumar

Existing methods for dealing with knowledge updates differ greatly depending on the underlying knowledge representation formalism. When Classical Logic is used, updates are typically performed by manipulating the knowledge base on the…

Artificial Intelligence · Computer Science 2017-06-05 Martin Slota , Joao Leite

Graph neural networks (GNNs) are powerful tools for learning from graph-structured data but often produce biased predictions with respect to sensitive attributes. Fairness-aware GNNs have been actively studied for mitigating biased…

Machine Learning · Computer Science 2025-10-22 Yuya Sasaki

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…

Computation and Language · Computer Science 2025-06-03 Anshika Rawal , Abhijeet Kumar , Mridul Mishra

Understanding searchers' queries is an essential component of semantic search systems. In many cases, search queries involve specific attributes of an entity in a knowledge base (KB), which can be further used to find query answers. In this…

Information Retrieval · Computer Science 2018-09-25 Arash Dargahi Nobari , Arian Askari , Faegheh Hasibi , Mahmood Neshati

We present JEL, a novel computationally efficient end-to-end multi-neural network based entity linking model, which beats current state-of-art model. Knowledge Graphs have emerged as a compelling abstraction for capturing critical…

Machine Learning · Computer Science 2025-09-11 Michael Kishelev , Pranab Bhadani , Wanying Ding , Vinay Chaudhri

The knowledge-grounded dialogue task aims to generate responses that convey information from given knowledge documents. However, it is a challenge for the current sequence-based model to acquire knowledge from complex documents and…

Computation and Language · Computer Science 2024-05-17 Yizhe Yang , Heyan Huang , Yang Gao , Jiawei Li and

Recent advances in research have demonstrated the effectiveness of knowledge graphs (KG) in providing valuable external knowledge to improve recommendation systems (RS). A knowledge graph is capable of encoding high-order relations that…

Information Retrieval · Computer Science 2020-04-02 Yang Gao , Yi-Fan Li , Yu Lin , Hang Gao , Latifur Khan

Knowledge Graphs are an emerging form of knowledge representation. While Google coined the term Knowledge Graph first and promoted it as a means to improve their search results, they are used in many applications today. In a knowledge…

Artificial Intelligence · Computer Science 2020-03-13 Nicolas Heist , Sven Hertling , Daniel Ringler , Heiko Paulheim

Knowledge graph completion (KGC) aims to predict the missing links among knowledge graph (KG) entities. Though various methods have been developed for KGC, most of them can only deal with the KG entities seen in the training set and cannot…

Artificial Intelligence · Computer Science 2022-11-16 Zifeng Ding , Jingpei Wu , Bailan He , Yunpu Ma , Zhen Han , Volker Tresp

In the Open Data era, a large number of table resources have been made available on the Web and data portals. However, it is difficult to directly utilize such data due to the ambiguity of entities, name variations, heterogeneous schema,…

Artificial Intelligence · Computer Science 2020-10-06 Phuc Nguyen , Natthawut Kertkeidkachorn , Ryutaro Ichise , Hideaki Takeda

Language models are trained on large volumes of text, and as a result their parameters might contain a significant body of factual knowledge. Any downstream task performed by these models implicitly builds on these facts, and thus it is…

Computation and Language · Computer Science 2023-01-31 Roi Cohen , Mor Geva , Jonathan Berant , Amir Globerson

This paper develops an innovative method that enables neural networks to generate and utilize knowledge graphs, which describe their concept-level knowledge and optimize network parameters through alignment with human-provided knowledge.…

Machine Learning · Computer Science 2024-04-29 Tangrui Li , Jun Zhou

Knowledge graphs capture structured information and relations between a set of entities or items. As such knowledge graphs represent an attractive source of information that could help improve recommender systems. However, existing…

Machine Learning · Computer Science 2019-06-17 Hongwei Wang , Fuzheng Zhang , Mengdi Zhang , Jure Leskovec , Miao Zhao , Wenjie Li , Zhongyuan Wang

The exponential growth in scholarly publications necessitates advanced tools for efficient article retrieval, especially in interdisciplinary fields where diverse terminologies are used to describe similar research. Traditional…

Topic modeling analyzes a collection of documents to learn meaningful patterns of words. However, previous topic models consider only the spelling of words and do not take into consideration the homography of words. In this study, we…

Computation and Language · Computer Science 2024-10-04 Takashi Shibuya , Takehito Utsuro

Knowledge graphs (KGs) have become valuable knowledge resources in various applications, and knowledge graph embedding (KGE) methods have garnered increasing attention in recent years. However, conventional KGE methods still face challenges…

Computation and Language · Computer Science 2023-12-19 Mingyang Chen , Wen Zhang , Yuxia Geng , Zezhong Xu , Jeff Z. Pan , Huajun Chen

Human knowledge provides a formal understanding of the world. Knowledge graphs that represent structural relations between entities have become an increasingly popular research direction towards cognition and human-level intelligence. In…

Computation and Language · Computer Science 2021-04-02 Shaoxiong Ji , Shirui Pan , Erik Cambria , Pekka Marttinen , Philip S. Yu

Knowledge graphs (KGs) are a powerful approach for integrating heterogeneous data and making inferences in biology and many other domains, but a coherent solution for constructing, exchanging, and facilitating the downstream use of…

Text summarization aims to compress a textual document to a short summary while keeping salient information. Extractive approaches are widely used in text summarization because of their fluency and efficiency. However, most of existing…

Computation and Language · Computer Science 2020-10-14 Peng Cui , Le Hu , Yuanchao Liu