Transactions on large-scale data- and knowledge-centered systems LII / / edited by Abdelkader Hameurlain, A. Min Tjoa

• Pubblicazione: Berlin, Germany : , : Springer, , [2022]; ©2022
• Descrizione fisica: 1 online resource (157 pages)
• Disciplina: 943.005
• Soggetto topico: Data mining
• Persona (resp. second.): HameurlainAbdelkader; TjoaA Min
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Intro -- Preface -- Organization -- Contents -- Mutida: A Rights Management Protocol for Distributed Storage Systems Without Fully Trusted Nodes -- 1 Introduction -- 2 Related Work -- 3 Usage Scenarios and Assumptions -- 4 Mutida Model -- 4.1 Protocol Description -- 4.2 Storage of the Global ACL -- 4.3 ACL Management -- 5 Methodology -- 5.1 Classical Cryptography -- 5.2 The Base Comparison Method - Shamir's Secret Sharing -- 6 Results Evaluation -- 6.1 Method Calculation Performance -- 6.2 Scenario I: No Data Sharing -- 6.3 Scenario II: Sharing Data with a Single User -- 6.4 Scenario III: Real-World Use Case -- 6.5 Discussion of Results -- 7 Conclusion -- References -- OpenCEMS: An Open Solution for Easy Data Management in Connected Environments -- 1 Introduction -- 2 Related Works -- 2.1 Research/Academic Works -- 2.2 Industrial Solutions -- 3 Proposal: OpenCEMS -- 3.1 Technical Overview -- 3.2 Data Management Services -- 3.3 Services Execution Modalities -- 3.4 Ontology-Based Web Form Generation -- 3.5 Ongoing Developments -- 4 Illustration Example -- 4.1 Environment Setup and Data Acquisition -- 4.2 Services Usage -- 5 Conclusion and Future Works -- References -- Knowledge Graph Augmentation for Increased Question Answering Accuracy -- 1 Introduction -- 2 Related Works -- 2.1 Question Answering -- 2.2 Question Answering over Knowledge Graphs -- 2.3 Insufficiency of Solutions for Query Expansion -- 2.4 Data Augmentation -- 2.5 Differences Between KG Augmentation and KG Auto-Completion -- 2.6 Positioning in the State-of-the-Art -- 3 Automatic Knowledge Graph Augmentation -- 3.1 Character-Level Augmentation -- 3.2 Item-Level Augmentation -- 3.3 Component-Level Augmentation -- 3.4 An Efficient Combination of All of Them -- 4 Results -- 4.1 Datasets -- 4.2 Setup -- 4.3 Empirical Evaluation -- 4.4 Discussion -- 5 Conclusions -- References. ; Online Optimized Product Quantization for ANN Queries over Dynamic Database using SVD-Updating -- 1 Introduction -- 2 Preliminaries -- 2.1 Approximate K-Nearest Neighbor Search -- 2.2 Vector Quantization (VQ) -- 2.3 Product Quantization (PQ) -- 2.4 Optimized PQ -- 2.5 Online PQ -- 3 Related Work -- 3.1 Approximate Nearest-Neighbor (ANN) Search -- 3.2 Quantization Methods -- 4 Proposed Method -- 4.1 Updating Codebook -- 4.2 Update Rotation Matrix using SVD-Updating -- 4.3 Online Optimized PQ Using SVD-Updating -- 4.4 Computational Complexity -- 4.5 Applying Sliding Window -- 5 Experiments -- 5.1 Experimental Setting -- 5.2 Effects of Low-Rank Approximation -- 5.3 Comparison with Non-online Methods -- 5.4 Comparison with Online Methods -- 5.5 Performance with Sliding Windows -- 6 Conclusion -- References -- Empirical Study of the Model Generalization for Argument Mining in Cross-Domain and Cross-Topic Settings -- 1 Introduction -- 2 Related Work -- 3 Method -- 3.1 Problem Statement -- 3.2 Data Description -- 3.3 Models of Our Ensemble Learning Approach -- 4 Experiments -- 4.1 Feature Analysis and Model Selection -- 4.2 Single-Dataset Learning (SDL) Vs. Multi-dataset Learning (MDL) -- 4.3 Cross-Domain Settings: Testing on a Completely Unseen Dataset -- 4.4 Cross-Topic Settings: Testing on Unseen Topics from the Same Dataset(s) -- 5 Conclusion -- References -- A Pattern Mining Framework for Improving Billboard Advertising Revenue -- 1 Introduction -- 2 Related Work and Background -- 2.1 Related Work -- 2.2 Background About Coverage Patterns -- 3 Proposed Framework of the Problem -- 4 Proposed Billboard Allocation Scheme -- 4.1 Basic Idea -- 4.2 Proposed BAF -- 4.3 Illustrative Example -- 4.4 Time and Space Complexity -- 5 Performance Evaluation -- 5.1 Effect of Varying the Number of Clients -- 5.2 Effect of Varying the Number of Available Billboards. ; 5.3 Effect of Varying maxOR -- 5.4 Discussion on Setting the Parameters of BAF -- 6 Conclusion -- References -- Author Index.
• Titolo autorizzato: Transactions on large-scale data- and knowledge-centered systems LII
• ISBN: 3-662-66146-2
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 996490359203316
• Lo trovi qui: Univ. di Salerno
• Serie: Lecture Notes in Computer Science