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Resolving knowledge conflicts is a crucial challenge in Question Answering (QA) tasks, as the internet contains numerous conflicting facts and opinions. While some research has made progress in tackling ambiguous settings where multiple…

Computation and Language · Computer Science 2024-10-30 Sagi Shaier , Ari Kobren , Philip Ogren

Question answering models can use rich knowledge sources -- up to one hundred retrieved passages and parametric knowledge in the large-scale language model (LM). Prior work assumes information in such knowledge sources is consistent with…

Computation and Language · Computer Science 2022-10-26 Hung-Ting Chen , Michael J. Q. Zhang , Eunsol Choi

The development of a company often entails the emergence of autonomous data sources with different structural and technological organization. This can lead to the inability of data analysis at a high level and a violation of the integrity…

Information Retrieval · Computer Science 2022-01-14 A. Kalinin , E. Shikov , D. Vaganov , A. Lysenko

In the last few years, the interest in knowledge bases has grown exponentially in both the research community and the industry due to their essential role in AI applications. Entity alignment is an important task for enriching knowledge…

Artificial Intelligence · Computer Science 2022-05-09 Rui Zhang , Bayu Distiawan Trisedy , Miao Li , Yong Jiang , Jianzhong Qi

Knowledge bases provide applications with the benefit of easily accessible, systematic relational knowledge but often suffer in practice from their incompleteness and lack of knowledge of new entities and relations. Much work has focused on…

Computation and Language · Computer Science 2013-03-19 Danqi Chen , Richard Socher , Christopher D. Manning , Andrew Y. Ng

Recent interest in Knowledge Base Completion (KBC) has led to a plethora of approaches based on reinforcement learning, inductive logic programming and graph embeddings. In particular, rule-based KBC has led to interpretable rules while…

Artificial Intelligence · Computer Science 2021-09-21 Prithviraj Sen , Breno W. S. R. Carvalho , Ibrahim Abdelaziz , Pavan Kapanipathi , Francois Luus , Salim Roukos , Alexander Gray

Discovery gene-disease links is important in biology and medicine areas, enabling disease identification and drug repurposing. Machine learning approaches accelerate this process by leveraging biological knowledge represented in ontologies…

Machine Learning · Computer Science 2025-04-14 Catarina Canastra , Cátia Pesquita

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

Recognizing entity synonyms from text has become a crucial task in many entity-leveraging applications. However, discovering entity synonyms from domain-specific text corpora (e.g., news articles, scientific papers) is rather challenging.…

Computation and Language · Computer Science 2017-06-27 Meng Qu , Xiang Ren , Jiawei Han

Knowledge bases such as Wikidata, DBpedia, or YAGO contain millions of entities and facts. In some knowledge bases, the correctness of these facts has been evaluated. However, much less is known about their completeness, i.e., the…

Databases · Computer Science 2016-12-20 Luis Galárraga , Simon Razniewski , Antoine Amarilli , Fabian M. Suchanek

This paper tackles the problem of endogenous link prediction for Knowledge Base completion. Knowledge Bases can be represented as directed graphs whose nodes correspond to entities and edges to relationships. Previous attempts either…

Artificial Intelligence · Computer Science 2015-06-03 Alberto Garcia-Duran , Antoine Bordes , Nicolas Usunier , Yves Grandvalet

The metadata about scientific experiments published in online repositories have been shown to suffer from a high degree of representational heterogeneity---there are often many ways to represent the same type of information, such as a…

Computation and Language · Computer Science 2020-12-17 Rafael S. Gonçalves , Maulik R. Kamdar , Mark A. Musen

Ontology-based approaches for predicting gene-disease associations include the more classical semantic similarity methods and more recently knowledge graph embeddings. While semantic similarity is typically restricted to hierarchical…

Machine Learning · Computer Science 2021-06-01 Susana Nunes , Rita T. Sousa , Catia Pesquita

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

While coreference resolution is traditionally used as a component in individual document understanding, in this work we take a more global view and explore what can we learn about a domain from the set of all document-level coreference…

Computation and Language · Computer Science 2024-10-23 Shir Ashury-Tahan , Amir David Nissan Cohen , Nadav Cohen , Yoram Louzoun , Yoav Goldberg

The open domain knowledge base is very important. It is usually extracted from encyclopedia websites and is widely used in knowledge retrieval systems, question answering systems, or recommendation systems. In practice, the key challenge is…

Information Retrieval · Computer Science 2022-09-02 Jiajun Tong , Zhixiao Wang , Xiaobin Rui

Knowledge Graph Completion has been increasingly adopted as a useful method for helping address several tasks in biomedical research, such as drug repurposing or drug-target identification. To that end, a variety of datasets and Knowledge…

Machine Learning · Computer Science 2025-11-07 Alberto Cattaneo , Stephen Bonner , Thomas Martynec , Edward Morrissey , Carlo Luschi , Ian P Barrett , Daniel Justus

Our work presented in this paper focuses on the translation of terminological expressions represented in semantically structured resources, like ontologies or knowledge graphs. The challenge of translating ontology labels or terminological…

Computation and Language · Computer Science 2019-08-01 Mihael Arcan , Daniel Torregrosa , Paul Buitelaar

A popular approach to topic modeling involves extracting co-occurring n-grams of a corpus into semantic themes. The set of n-grams in a theme represents an underlying topic, but most topic modeling approaches are not able to label these…

Computation and Language · Computer Science 2017-05-19 Justin Wood , Patrick Tan , Wei Wang , Corey Arnold

Biomedical knowledge resources often either preserve evidence as unstructured text or compress it into flat triples that omit study design, provenance, and quantitative support. Here we present EvidenceNet, a disease-specific dataset of…

Computational Engineering, Finance, and Science · Computer Science 2026-04-15 Chang Zong , Sicheng Lv , Si-tu Xue , Huilin Zheng , Jian Wan , Lei Zhang