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While there exist approaches to integrate heterogeneous data using semantic models, such semantic models can typically not be used by existing software tools. Many software tools - especially in engineering - only have options to import and…

Databases · Computer Science 2022-11-07 Aljosha Köcher , Artan Markaj , Alexander Fay

Large language models (LLMs) excel in question-answering (QA) tasks, and retrieval-augmented generation (RAG) enhances their precision by incorporating external evidence from diverse sources like web pages, databases, and knowledge graphs.…

Information Retrieval · Computer Science 2025-04-10 Yikuan Xia , Jiazun Chen , Yirui Zhan , Suifeng Zhao , Weipeng Jiang , Chaorui Zhang , Wei Han , Bo Bai , Jun Gao

This article analyzes the use of Large Language Models (LLMs) as support for the conceptual modeling of relational databases through the automatic generation of Entity-Relationship (ER) diagrams from natural language requirements. The…

Artificial Intelligence · Computer Science 2026-05-13 Arthur F. Siqueira , Carlos D. S. Nogueira , Eduarda Farias , Claudio E. C. Campelo , Júlia Menezes

The relational model is a ubiquitous representation of big-data, in part due to its extensive use in databases. In this paper, we propose the Equivariant Entity-Relationship Network (EERN), which is a Multilayer Perceptron equivariant to…

Machine Learning · Computer Science 2020-06-09 Devon Graham , Junhao Wang , Siamak Ravanbakhsh

Spurred by a number of recent trends, we make the case that the relational database systems should urgently move beyond supporting the basic object-relational model and instead embrace a more abstract data model, specifically, the…

Databases · Computer Science 2025-05-07 Amol Deshpande

Role-playing models (RPMs) are widely used in real-world applications but underperform when deployed in the wild. This degradation can be attributed to distribution shifts, including user, character, and dialogue compositional shifts.…

Machine Learning · Computer Science 2026-04-14 Yongqi Li , Hao Lang , Fei Huang , Tieyun Qian , Yongbin Li

Usually, entity relation recognition systems either use a pipe-lined model that treats the entity tagging and relation identification as separate tasks or a joint model that simultaneously identifies the relation and entities. This paper…

Computation and Language · Computer Science 2020-09-21 Venkata Sasank Pagolu

Statements about entities occur everywhere, from newspapers and web pages to structured databases. Correlating references to entities across systems that use different identifiers or names for them is a widespread problem. In this paper, we…

Artificial Intelligence · Computer Science 2014-06-27 R. V. Guha

Analysing the development process for an ERP solution, in our case SAP, is one of the most critical processes in implementing standard software packages. Modelling of the proposed system can facilitate the development of enterprise systems…

Software Engineering · Computer Science 2019-01-08 Emmanouil Kolezakis

Entity resolution (ER) is a key data integration problem. Despite the efforts in 70+ years in all aspects of ER, there is still a high demand for democratizing ER - humans are heavily involved in labeling data, performing feature…

Databases · Computer Science 2019-11-20 Muhammad Ebraheem , Saravanan Thirumuruganathan , Shafiq Joty , Mourad Ouzzani , Nan Tang

Usually considered as a classification problem, entity resolution (ER) can be very challenging on real data due to the prevalence of dirty values. The state-of-the-art solutions for ER were built on a variety of learning models (most…

Databases · Computer Science 2019-06-17 Boyi Hou , Qun Chen , Yanyan Wang , Youcef Nafa , Zhanhuai Li

Evidence theory is widely used in decision-making and reasoning systems. In previous research, Transferable Belief Model (TBM) is a commonly used evidential decision making model, but TBM is a non-preference model. In order to better fit…

Artificial Intelligence · Computer Science 2024-03-12 Tianxiang Zhan , Zhen Li , Yong Deng

This paper studies the entity resolution (ER) problem in property graphs. ER is the task of identifying and linking different records that refer to the same real-world entity. It is commonly used in data integration, data cleansing, and…

Databases · Computer Science 2024-10-08 Junwei Hu , Michael Bewong , Selasi Kwashie , Yidi Zhang , Vincent Nofong , John Wondoh , Zaiwen Feng

The aim of this study is to contribute to the field of machine-processable bibliographic data that is suitable for the Semantic Web. We examine the Entity Relationship (ER) model, which has been selected by IFLA as a "conceptual framework"…

Digital Libraries · Computer Science 2020-01-16 Manolis Peponakis

Joint entity and relation extraction plays a pivotal role in various applications, notably in the construction of knowledge graphs. Despite recent progress, existing approaches often fall short in two key aspects: richness of representation…

Computation and Language · Computer Science 2024-04-22 Urchade Zaratiana , Nadi Tomeh , Yann Dauxais , Pierre Holat , Thierry Charnois

Without any doubt, the relational paradigm has been a huge success. At the same time, we believe that the time is ripe to rethink how database systems could look like if we designed them from scratch. Would we really end up with the same…

Databases · Computer Science 2025-04-18 Jens Dittrich

Information Ecosystem Reengineering (IER) -- the technological reconditioning of information sources, services, and systems within a complex information ecosystem -- is a foundational challenge in the digital transformation of public sector…

Digital Libraries · Computer Science 2025-08-25 Mayukh Bagchi

Entity Resolution (ER) is a constitutional part for integrating different knowledge graphs in order to identify entities referring to the same real-world object. A promising approach is the use of graph embeddings for ER in order to…

Machine Learning · Computer Science 2021-01-18 Daniel Obraczka , Jonathan Schuchart , Erhard Rahm

Scientific discovery is increasingly dependent on a scientist's ability to acquire, curate, integrate, analyze, and share large and diverse collections of data. While the details vary from domain to domain, these data often consist of…

Databases · Computer Science 2016-10-20 Karl Czajkowski , Carl Kesselman , Robert Schuler , Hongsuda Tangmunarunkit

Advances in information technology have increased the availability of time-stamped relational data such as those produced by email exchanges or interaction through social media. Whereas the associated information flows could be aggregated…

Applications · Statistics 2023-07-03 Federica Bianchi , Edoardo Filippi-Mazzola , Alessandro Lomi , Ernst C. Wit