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Knowledge graphs (KGs) such as DBpedia, Freebase, YAGO, Wikidata, and NELL were constructed to store large-scale, real-world facts as (subject, predicate, object) triples -- that can also be modeled as a graph, where a node (a subject or an…

Databases · Computer Science 2023-05-25 Arijit Khan

Large language models (LLMs) are widely used, but they often generate subtle factual errors, especially in long-form text. These errors are fatal in some specialized domains such as medicine. Existing fact-checking with grounding documents…

Computation and Language · Computer Science 2025-05-29 Yingjian Chen , Haoran Liu , Yinhong Liu , Jinxiang Xie , Rui Yang , Han Yuan , Yanran Fu , Peng Yuan Zhou , Qingyu Chen , James Caverlee , Irene Li

Wikidata is currently the largest open knowledge graph on the web, encompassing over 120 million entities. It integrates data from various domain-specific databases and imports a substantial amount of content from Wikipedia, while also…

Computation and Language · Computer Science 2026-01-06 Shixiong Zhao , Hideaki Takeda

Distance based knowledge graph embedding methods show promising results on link prediction task, on which two topics have been widely studied: one is the ability to handle complex relations, such as N-to-1, 1-to-N and N-to-N, the other is…

Computation and Language · Computer Science 2021-05-19 Linlin Chao , Jianshan He , Taifeng Wang , Wei Chu

Most real-world knowledge graphs, including Wikidata, DBpedia, and Yago are incomplete. Answering queries on such incomplete graphs is an important, but challenging problem. Recently, a number of approaches, including complex query…

Artificial Intelligence · Computer Science 2023-05-01 Caglar Demir , Michel Wiebesiek , Renzhong Lu , Axel-Cyrille Ngonga Ngomo , Stefan Heindorf

Groups with complex set intersection relations are a natural way to model a wide array of data, from the formation of social groups to the complex protein interactions which form the basis of biological life. One approach to representing…

Machine Learning · Computer Science 2025-01-15 Sepideh Maleki , Josh Vekhter , Keshav Pingali

Learning low-dimensional embeddings of knowledge graphs is a powerful approach used to predict unobserved or missing edges between entities. However, an open challenge in this area is developing techniques that can go beyond simple edge…

Social and Information Networks · Computer Science 2019-10-30 William L. Hamilton , Payal Bajaj , Marinka Zitnik , Dan Jurafsky , Jure Leskovec

Large Language Models (LLMs) excel in stand-alone code tasks like HumanEval and MBPP, but struggle with handling entire code repositories. This challenge has prompted research on enhancing LLM-codebase interaction at a repository scale.…

Software Engineering · Computer Science 2024-08-13 Xiangyan Liu , Bo Lan , Zhiyuan Hu , Yang Liu , Zhicheng Zhang , Fei Wang , Michael Shieh , Wenmeng Zhou

Knowledge graphs (KGs) comprise entities interconnected by relations of different semantic meanings. KGs are being used in a wide range of applications. However, they inherently suffer from incompleteness, i.e. entities or facts about…

Artificial Intelligence · Computer Science 2023-12-11 Nicolas Hubert , Pierre Monnin , Heiko Paulheim

Increasing amounts of freely available data both in textual and relational form offers exploration of richer document representations, potentially improving the model performance and robustness. An emerging problem in the modern era is fake…

Computation and Language · Computer Science 2022-02-16 Boshko Koloski , Timen Stepišnik-Perdih , Marko Robnik-Šikonja , Senja Pollak , Blaž Škrlj

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…

Computation and Language · Computer Science 2023-12-19 Wei Tang , Zhiqian Wu , Yixin Cao , Yong Liao , Pengyuan Zhou

Large language models (LLMs) excel in generating fluent utterances but can lack reliable grounding in verified information. At the same time, knowledge-graph-based fact-checkers deliver precise and interpretable evidence, yet suffer from…

Computation and Language · Computer Science 2025-11-06 Shaghayegh Kolli , Richard Rosenbaum , Timo Cavelius , Lasse Strothe , Andrii Lata , Jana Diesner

Knowledge graphs (KGs) on COVID-19 have been constructed to accelerate the research process of COVID-19. However, KGs are always incomplete, especially the new constructed COVID-19 KGs. Link prediction task aims to predict missing entities…

Computers and Society · Computer Science 2021-11-30 Weichuan Wang , Zhiwen Xie , Jin Liu , Yucong Duan , Bo Huang , Junsheng Zhang

Despite being the go-to choice for link prediction on knowledge graphs, research on interpretability of knowledge graph embeddings (KGE) has been relatively unexplored. We present KGEx, a novel post-hoc method that explains individual link…

Artificial Intelligence · Computer Science 2023-10-03 Vasileios Baltatzis , Luca Costabello

In this paper, we introduce SWE-QA, a text and code corpus aimed at benchmarking multi-hop code comprehension, addressing the gap between simplified evaluation tasks and the complex reasoning required in real-world software development.…

Software Engineering · Computer Science 2026-04-29 Laïla Elkoussy , Julien Perez

Commonsense fact verification, as a challenging branch of commonsense question-answering (QA), aims to verify through facts whether a given commonsense claim is correct or not. Answering commonsense questions necessitates a combination of…

Computation and Language · Computer Science 2023-05-30 Anni Zou , Zhuosheng Zhang , Hai Zhao

With the proliferation of social media posts in recent years, the need to detect sentiments in multimodal (image-text) content has grown rapidly. Since posts are user-generated, the image and text from the same post can express different or…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Daiqing Wu , Dongbao Yang , Huawen Shen , Can Ma , Yu Zhou

During the past few decades, knowledge bases (KBs) have experienced rapid growth. Nevertheless, most KBs still suffer from serious incompletion. Researchers proposed many tasks such as knowledge base completion and relation prediction to…

Computation and Language · Computer Science 2019-04-23 Zihao Fu , Yankai Lin , Zhiyuan Liu , Wai Lam

In this paper, we describe the construction of TeKnowbase, a knowledge-base of technical concepts in computer science. Our main information sources are technical websites such as Webopedia and Techtarget as well as Wikipedia and online…

Computation and Language · Computer Science 2016-12-16 Prajna Upadhyay , Tanuma Patra , Ashwini Purkar , Maya Ramanath

Since Knowledge Graphs are often incomplete, link prediction methods are adopted for predicting missing facts. Scalable embedding based solutions are mostly adopted for this purpose, however, they lack comprehensibility, which may be…

Artificial Intelligence · Computer Science 2025-08-13 Roberto Barile , Claudia d'Amato , Nicola Fanizzi