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- ArticleSeptember 2024
Relational Or Single: A Comparative Analysis of Data Synthesis Approaches for Privacy and Utility on a Use Case from Statistical Office
AbstractThis paper presents a case study focused on synthesizing relational datasets within Official Statistics for software and technology testing purposes. Specifically, the focus is on generating synthetic data for testing and validating software code. ...
- research-articleDecember 2024
Yugen SDL: Semantic Data Lake Design for Relational Database from Enterprise Data Platforms
WSSE '24: Proceedings of the 2024 The 6th World Symposium on Software Engineering (WSSE)Pages 54–61https://doi.org/10.1145/3698062.3698070Although data lake technology has received increasing research attention in recent years with the popularity of Big Data and heterogeneous data technologies, it still receives little attention in the enterprise space and relation to relational databases. ...
- research-articleFebruary 2024
Concepts of neighbors and their application to instance-based learning on relational data
International Journal of Approximate Reasoning (IJAR), Volume 164, Issue Chttps://doi.org/10.1016/j.ijar.2023.109059AbstractKnowledge graphs and other forms of relational data have become a widespread kind of data, and powerful methods to analyze and learn from them are needed. Formal Concept Analysis (FCA) is a mathematical framework for the analysis of symbolic ...
- research-articleOctober 2023
Medoid based semi-supervised fuzzy clustering algorithms for multi-view relational data
AbstractIn this paper we present two novel families of semi-supervised multi-view clustering algorithms for relational data, providing relevance weights for views and cluster representatives. The families differ by their cluster representative ...
- research-articleSeptember 2023
Distributed non-negative RESCAL with automatic model selection for exascale data
- Manish Bhattarai,
- Namita kharat,
- Ismael Boureima,
- Erik Skau,
- Benjamin Nebgen,
- Hristo Djidjev,
- Sanjay Rajopadhye,
- James P. Smith,
- Boian Alexandrov
Journal of Parallel and Distributed Computing (JPDC), Volume 179, Issue Chttps://doi.org/10.1016/j.jpdc.2023.04.010AbstractWith the boom in the development of computer hardware and software, social media, IoT platforms, and communications, there has been exponential growth in the volume of data produced worldwide. Among these data, relational datasets are ...
Graphical abstract Highlights- The first distributed RESCAL implementation to estimate latent features.
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- research-articleDecember 2022
SInC: Semantic approach and enhancement for relational data compression
AbstractData compression has been widely adopted in the industry to reduce storage or bandwidth consumption by removing redundant data or encoding information. Redundancy in semantics implies that some facts in a knowledge base can be inferred ...
- ArticleOctober 2022
Effective Generation of Relational Schema from Multi-Model Data with Reinforcement Learning
AbstractTo handle data variety in one project, some researchers proposed using multiple databases or one multi-model database to manage various data. However, considering that the predominated Relational Database Management Systems (RDBMSs) in the current ...
- research-articleOctober 2022
Empirical analysis of the impact of queries on watermarked relational databases
Expert Systems with Applications: An International Journal (EXWA), Volume 204, Issue Chttps://doi.org/10.1016/j.eswa.2022.117491AbstractRobust relational database watermarking techniques aim to preserve the watermark in the protected assets despite daily updates and malicious attacks. Nevertheless, most techniques do not analyze the root of operations that can degrade ...
Highlights- A low critical number of detected marks can still help to overcome attacks.
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- ArticleSeptember 2021
Heterogeneous Embeddings for Relational Data Integration Tasks
AbstractData integration technology can integrate data from different data sources, making it convenient and prompt to use heterogeneous data when processing big data. Therefore, data integration plays an important role in many industries. Recently, more ...
- research-articleAugust 2021
A Graded Reversible Watermarking Scheme for Relational Data
Mobile Networks and Applications (MNET), Volume 26, Issue 4Pages 1552–1563https://doi.org/10.1007/s11036-019-01491-5AbstractReversible watermarking is an important method of information hiding, which has been widely used in copyright protection of relational data. Reversible watermarking is more advanced than its predecessors in many ways. It can be used not only to ...
- research-articleJuly 2021
Depth-based classification for relational data with multiple attributes
Journal of Multivariate Analysis (JMUL), Volume 184, Issue Chttps://doi.org/10.1016/j.jmva.2021.104732AbstractWith the recent progress of data acquisition technology, classification of data exhibiting relational dependence, from online social interactions to multi-omics studies to linkage of electronic health records, continues to gain an ever ...
- research-articleJune 2021
Data dependencies for query optimization: a survey
The VLDB Journal — The International Journal on Very Large Data Bases (VLDB), Volume 31, Issue 1Pages 1–22https://doi.org/10.1007/s00778-021-00676-3AbstractEffective query optimization is a core feature of any database management system. While most query optimization techniques make use of simple metadata, such as cardinalities and other basic statistics, other optimization techniques are based on ...
- ArticleDecember 2020
Research on the Knowledge Map of Combat Simulation Domain Based on Relational Database
AbstractThe analysis and evaluation of simulation data, especially the selection of assessment indexes and the establishment of index system, need the knowledge base or knowledge map of simulation application field as the expert knowledge support. The ...
- research-articleJune 2020
Adversarial Attacks on Graph Neural Networks: Perturbations and their Patterns
ACM Transactions on Knowledge Discovery from Data (TKDD), Volume 14, Issue 5Article No.: 57, Pages 1–31https://doi.org/10.1145/3394520Deep learning models for graphs have achieved strong performance for the task of node classification. Despite their proliferation, little is known about their robustness to adversarial attacks. Yet, in domains where they are likely to be used, e.g., the ...
- research-articleJanuary 2020
Cautious relational clustering: A thresholding approach
Expert Systems with Applications: An International Journal (EXWA), Volume 139, Issue Chttps://doi.org/10.1016/j.eswa.2019.112837Highlights- We address the problem of clustering relational data in a cautious way.
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We propose in this article a new relational clustering method that can return a partial answer (i.e., a set of clusterings) in some cases. Starting from relational or similarity data, we determine a partial equivalence relation defined ...
- ArticleJuly 2019
A Fuzzy Clustering Algorithm with Multi-medoids for Multi-view Relational Data
AbstractThere is an increasing interest for multi-view clustering due to its ability to manage data from several sources. The majority of multi-view clustering algorithms are suitable to analyse vector data, but much less attention has been given for the ...
- research-articleJuly 2019
A new sparse representation learning of complex data: Application to dynamic clustering of web navigation
Pattern Recognition (PATT), Volume 91, Issue CPages 291–307https://doi.org/10.1016/j.patcog.2019.02.020Highlights- We propose prototype-based clustering algorithms for relational data, i.e. data described by their similarities.
Among the variety of algorithms that have been developed for clustering, prototype-based approaches are very popular due to their low computational complexity, allowing real-life applications. In such algorithms, the data set is ...
- research-articleJune 2019
Clustering of multi-view relational data based on particle swarm optimization
Expert Systems with Applications: An International Journal (EXWA), Volume 123, Issue CPages 34–53https://doi.org/10.1016/j.eswa.2018.12.053Highlights- The paper provides multi-view clustering algorithms for relational data.
- The ...
Clustering of multi-view data has received increasing attention since it explores multiple views of data sets aiming at improving clustering accuracy. Particle Swarm Optimization (PSO) is a well-known population-based meta-heuristic ...
- research-articleJanuary 2019
Learning to predict soccer results from relational data with gradient boosted trees
AbstractWe describe our winning solution to the 2017’s Soccer Prediction Challenge organized in conjunction with the MLJ’s special issue on Machine Learning for Soccer. The goal of the challenge was to predict outcomes of future matches within a selected ...
- ArticleJuly 2018
A Topological Approach to Representational Data Models
Human Interface and the Management of Information. Interaction, Visualization, and AnalyticsPages 90–109https://doi.org/10.1007/978-3-319-92043-6_8AbstractAs data accumulate faster and bigger, building representational models has turned into an art form. Despite sharing common data types, each scientific discipline often takes a different approach. In this work, we propose representational models ...