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Local models have recently attained astounding performances in Entity Disambiguation (ED), with generative and extractive formulations being the most promising research directions. However, previous works limited their studies to using, as…

Computation and Language · Computer Science 2022-10-12 Luigi Procopio , Simone Conia , Edoardo Barba , Roberto Navigli

Entity linking is the task of linking mentions of named entities in natural language text, to entities in a curated knowledge-base. This is of significant importance in the biomedical domain, where it could be used to semantically annotate…

Computation and Language · Computer Science 2020-01-22 Ming Zhu , Busra Celikkaya , Parminder Bhatia , Chandan K. Reddy

Multiple adverse health conditions co-occurring in a patient are typically associated with poor prognosis and increased office or hospital visits. Developing methods to identify patterns of co-occurring conditions can assist in diagnosis.…

Computation and Language · Computer Science 2017-11-30 Moumita Bhattacharya , Claudine Jurkovitz , Hagit Shatkay

Entity linking is a prominent thread of research focused on structured data creation by linking spans of text to an ontology or knowledge source. We revisit the use of structured prediction for entity linking which classifies each…

Computation and Language · Computer Science 2023-10-24 Hassan S. Shavarani , Anoop Sarkar

Extracting entities and relations for types of interest from text is important for understanding massive text corpora. Traditionally, systems of entity relation extraction have relied on human-annotated corpora for training and adopted an…

Computation and Language · Computer Science 2017-06-06 Xiang Ren , Zeqiu Wu , Wenqi He , Meng Qu , Clare R. Voss , Heng Ji , Tarek F. Abdelzaher , Jiawei Han

This study presents a framework for automated evaluation of dynamically evolving topic taxonomies in scientific literature using Large Language Models (LLMs). In digital library systems, topic modeling plays a crucial role in efficiently…

Computation and Language · Computer Science 2025-02-14 Zhiyin Tan , Jennifer D'Souza

The importance of improving the FAIRness (findability, accessibility, interoperability, reusability) of research data is undeniable, especially in the face of large, complex datasets currently being produced by omics technologies.…

Ontology alignment is the task of identifying semantically equivalent entities from two given ontologies. Different ontologies have different representations of the same entity, resulting in a need to de-duplicate entities when merging…

Computation and Language · Computer Science 2018-06-22 Lucy Lu Wang , Chandra Bhagavatula , Mark Neumann , Kyle Lo , Chris Wilhelm , Waleed Ammar

Latent Dirichlet Allocation (LDA) is a popular topic modeling technique for exploring document collections. Because of the increasing prevalence of large datasets, there is a need to improve the scalability of inference of LDA. In this…

Artificial Intelligence · Computer Science 2011-07-20 Ke Zhai , Jordan Boyd-Graber , Nima Asadi

Retrieval-augmented generation (RAG) systems rely on accurate document retrieval to ground large language models (LLMs) in external knowledge, yet retrieval quality often degrades in corpora where topics overlap and thematic variation is…

Information Retrieval · Computer Science 2026-01-06 Rodrigo Kataishi

Entity linking methods based on dense retrieval are an efficient and widely used solution in large-scale applications, but they fall short of the performance of generative models, as they are sensitive to the structure of the embedding…

Computation and Language · Computer Science 2023-10-23 Mattia Atzeni , Mikhail Plekhanov , Frédéric A. Dreyer , Nora Kassner , Simone Merello , Louis Martin , Nicola Cancedda

Entity alignment (EA) aims to discover the equivalent entities in different knowledge graphs (KGs). It is a pivotal step for integrating KGs to increase knowledge coverage and quality. Recent years have witnessed a rapid increase of EA…

Artificial Intelligence · Computer Science 2021-01-27 Weixin Zeng , Xiang Zhao , Jiuyang Tang , Xinyi Li , Minnan Luo , Qinghua Zheng

The mainstream approach to the development of ontologies is merging ontologies encoding different information, where one of the major difficulties is that the heterogeneity motivates the ontology merging but also limits high-quality merging…

Artificial Intelligence · Computer Science 2023-04-26 Daqian Shi , Fausto Giunchiglia

Many computational argumentation tasks, like stance classification, are topic-dependent: the effectiveness of approaches to these tasks significantly depends on whether the approaches were trained on arguments from the same topics as those…

Computation and Language · Computer Science 2023-01-25 Yamen Ajjour , Johannes Kiesel , Benno Stein , Martin Potthast

Using the 6,638 case descriptions of societal impact submitted for evaluation in the Research Excellence Framework (REF 2014), we replicate the topic model (Latent Dirichlet Allocation or LDA) made in this context and compare the results…

Computation and Language · Computer Science 2018-06-05 Tobias Hecking , Loet Leydesdorff

Entity alignment (EA) aims at identifying equivalent entity pairs across different knowledge graphs (KGs) that refer to the same real-world identity. To circumvent the shortage of seed alignments provided for training, recent EA models…

Artificial Intelligence · Computer Science 2025-07-03 Qijie Ding , Jie Yin , Daokun Zhang , Junbin Gao

Topic modeling aims to produce interpretable topic representations and topic--document correspondences from corpora, but classical neural topic models (NTMs) remain constrained by limited representation assumptions and semantic abstraction…

Computation and Language · Computer Science 2026-04-15 Xuan Xu , Zhongliang Yang , Haolun Li , Beilin Chu , Rui Tian , Yu Li , Shaolin Tan , Linna Zhou

Traditional topic models such as Latent Dirichlet Allocation (LDA) have been widely used to uncover latent structures in text corpora, but they often struggle to integrate auxiliary information such as metadata, user attributes, or document…

Machine Learning · Computer Science 2025-11-04 Biyi Fang , Truong Vo , Kripa Rajshekhar , Diego Klabjan

Entity alignment (EA) aims to identify entities referring to the same real-world object across different knowledge graphs (KGs). Recent approaches based on large language models (LLMs) typically obtain entity embeddings through knowledge…

Computation and Language · Computer Science 2026-04-16 Cunda Wang , Ziying Ma , Po Hu , Weihua Wang , Feilong Bao

This report addresses the challenge of limited labeled datasets for developing legal recommender systems, particularly in specialized domains like labor disputes. We propose a new approach leveraging the co-citation of legal articles within…

Computation and Language · Computer Science 2025-04-30 Chao-Lin Liu , Po-Hsien Wu , Yi-Ting Yu
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