Complex Networks & Their Applications X

Name: Complex Networks & Their Applications X | Volume 1, Proceedings of the Tenth International Conference on Complex Networks and Their Applications COMPLEX NETWORKS 2021
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Volume 1, Proceedings of the Tenth International Conference on Complex Networks and Their Applications COMPLEX NETWORKS 2021

Rosa Maria Benito Chantal Cherifi Hocine Cherifi Esteban Moro Luis M. Rocha Marta Sales-Pardo(Herausgeber*in)

Springer (Verlag)

Erschienen am 1. Januar 2022

XXIX, 881 Seiten

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Inhalt

Intro
Preface
Organization and Committees
General Chairs
Advisory Board
Program Chairs
Satellite Chairs
Lightning Chairs
Poster Chairs
Publicity Chairs
Tutorial Chairs
Sponsor Chairs
Local Committee Chair
Local Committee
Publication Chair
Web Chair
Program Committee
Contents
Network Analysis
A Fair-Cost Analysis of the Random Neighbor Sampling Method
1 Introduction
2 RN's Inefficiency for Finding Leaves
3 Sampling Costs - Cv and Cn
3.1 Critical Cn
3.2 CCn for Different Sampling Amounts and Results
4 Selection Cost and RVN Sampling
4.1 RVN Versus RN
5 Fair Cost Analysis
5.1 Cost Analysis on the Star Graph
5.2 Cost Analysis on BA Graphs
References
Analysis of Radiographic Images of Patients with COVID-19 Using Fractal Dimension and Complex Network-Based High-Level Classification
1 Introduction
2 The Proposed Method
2.1 Image Feature Extraction
2.2 The Modified High-Level Classification Technique
3 Experimental Results
3.1 Database
3.2 Fractal Feature Extraction
3.3 Classification Results
4 Conclusions
References
Dynamical Influence Driven Space System Design
1 Introduction
2 Methods
2.1 Space System Definition
2.2 Data Transfer Capacity Network
2.3 Communities of Dynamical Influence
2.4 Ground Station Selection
3 Results
4 Conclusions
References
Classification of Dispersed Patterns of Radiographic Images with COVID-19 by Core-Periphery Network Modeling
1 Introduction
2 Methods
3 Experimental Results
4 Conclusions
References
Small Number of Communities in Twitter Keyword Networks
1 Introduction
2 Small Community Hypothesis
3 Methods and Data
3.1 Political Figures
3.2 Pseudo-Tweets
4 Discussion and Future Work
References
Finding Cross-Border Collaborative Centres in Biopharma Patent Networks: A Clustering Comparison Approach Based on Adjusted Mutual Information
1 Introduction
2 Data and Methods
2.1 REGPAT Database
2.2 Methods
3 Results
4 Conclusions
References
Professional Judgments of Principled Network Expansions
1 Introduction
2 Methods
2.1 Network Generation
2.2 Stimuli
2.3 Experiment
2.4 Data Analysis
3 Results
4 Discussion
5 Conclusion
References
Attributed Graphettes-Based Preterm Infants Motion Analysis
1 Introduction
2 Materials and Methods
2.1 Dataset
2.2 Pre-processing: Landmark Points Detection and Filtering
2.3 Networks Definition
2.4 Attributed Graphettes-Based Representation
3 Results: Topics Analysis
4 Discussion and Conclusions
References
Dynamics of Polarization and Coalition Formation in Signed Political Elite Networks
Abstract
1 Introduction
2 Data and Methods
3 Result
3.1 Cluster Analysis
3.2 Polarization Analysis
4 Conclusions
References
Navigating Multidisciplinary Research Using Field of Study Networks
1 Introduction
2 Related Work
3 Methods
3.1 Field of Study Networks
3.2 Static FoS Networks
3.3 Temporal FoS Networks
4 Case Studies
4.1 Multidisciplinary Research in Network Science
4.2 COVID-19 Research and the Effect on Multidisciplinarity
4.3 Close Reading Case Studies in COVID-19 Research
5 Conclusions and Future Work
References
Public Procurement Fraud Detection: A Review Using Network Analysis
Abstract
1 Introduction
2 Method
2.1 Bibliometric Analysis and Keyword Search Strategy
3 Results
3.1 Publications by Author, Number of Citations & Journal/Conference
3.2 Major Journals
3.3 Conference Proceedings
3.4 Analysis of Word Incidence in Sections of Varied Articles
3.4.1 Analysis of Keyword Occurrences
3.4.2 Author Co-Authorship - Documents and Citations Within Multiple Articles
3.4.3 Purpose and Methodology
4 Discussion
4.1 Scopus and Web of Science Repositories
4.2 Research Question RQ1
5 Conclusion and Future Studies
Funding
References
Characterising Different Communities of Twitter Users: Migrants and Natives
Abstract
1 Introduction
2 Related Works
3 Data and Labelling Strategy
3.1 Data
3.2 Labelling Migrants and Natives
4 Twitter Features
4.1 Home and Destination Attachment Index
4.2 Profile Information
4.3 Tweets
5 Network Analysis
5.1 Properties of the Network
5.2 Assortativity Analysis
6 Conclusion
Acknowledgment
References
Evolution of the World Stage of Global Science from a Scientific City Network Perspective
1 Introduction
2 Definitions, Measures and Background
2.1 Network Notation and Definitions
2.2 Ranking Measures
2.3 Rank Comparison Measures
3 Materials and Methods
3.1 Bibliographic Database
3.2 Delineation of Scientific City Agglomerations - Nodes
3.3 Publication Sets and Counting Methods - Edge Weights
3.4 Network Formation
3.5 Evolving Degree Respecting Rewired Networks
4 Results
4.1 Experimental Setup
4.2 Centrality Changes over Time at Various Levels of Impact
4.3 Real-World Rank Correlation vs. Null Model
4.4 Limitations
5 Conclusions
References
Propagation on Multi-relational Graphs for Node Regression
1 Introduction
2 Propagation on Simple Graphs
3 Multi-relational Model
3.1 Estimation of Relational Parameters
3.2 Multi-relational Propagation Algorithm
4 Experiments
4.1 Multi-relational Estimation of Weather Measurements
4.2 Predicting People's Date of Birth in a Social Network
5 Conclusion
References
Realistic Commodity Flow Networks to Assess Vulnerability of Food Systems
1 Introduction
1.1 Background and Motivation
1.2 Challenges
1.3 Contributions
1.4 Related Works
2 Network Construction Framework
2.1 The Senegal Network (SN)
2.2 The Nepal Network (NP)
3 Network Analysis
4 Conclusion
References
Structural Network Measures
PageRank Computation for Higher-Order Networks
1 Introduction
2 Related Works
3 Variable-Order Network Representation
4 Application of PageRank to Variable-Order Networks
5 Datasets and Experimental Settings
6 Results
7 Future Works
References
Fellow Travelers Phenomenon Present in Real-World Networks
1 Introduction
2 Basic Notions and Notations
3 Theoretical Results
4 Interval Leanness in Real-World Networks
References
The Fréchet Mean of Inhomogeneous Random Graphs
1 Introduction
1.1 Our Main Contributions
2 Main Results
2.1 The Population Fréchet Mean Graph of G(n,P)
2.2 The Sample Fréchet Mean Graph of a Graph Sample in G(n,P)
3 Proofs of the Main Results
3.1 The Population and sample Fréchet Functions
3.2 Proof of Theorem 1
3.3 The Sample Fréchet Function for the Hamming Distance
3.4 Concentration of the Sample Fréchet Function
3.5 Proof of Theorem 2
4 Simulation Studies
5 Discussion and Conclusion
References
A Simple Extension of the Bag-of-Paths Model Weighting Path Lengths by a Poisson Distribution
1 Introduction
1.1 General Introduction
1.2 Contributions and Contents of the Paper
2 The Standard Randomized Shortest Paths and Bag-of-Paths Models
2.1 The Standard Randomized Shortest Paths Model
2.2 The Standard Bag-of-Paths Model
3 Bag-of-Paths with Weights on Path Lengths
3.1 A Poisson Distribution on path Lengths
3.2 Computing the Joint Probability of Drawing a Path Starting in i and Ending in j
3.3 A Derived Distance Measure Between Nodes
3.4 Weighting Start and end Nodes
4 Experiments
4.1 Datasets
4.2 Investigated State-of-the-Art Methods
4.3 Experimental Design
4.4 Results and discussion
5 Conclusion and further Work
References
Spectral Rank Monotonicity on Undirected Networks
1 Introduction
2 Graph-Theoretical Preliminaries
3 Score and Rank Monotonicity Axioms on Undirected Graphs
4 Eigenvector Centrality
5 Seeley's Index
6 Graph Fibrations and Spectral Ranking
7 PageRank
8 Experiments on IMDB
9 Conclusions
References
Learning Centrality by Learning to Route
1 Introduction
2 Related Work
3 Background
4 Methods
4.1 The Eigenvector RBC Algorithm
4.2 Direct Optimization of the Routing Policy
4.3 Learning the Routing Function from Node Embedding
5 Evaluation
5.1 Experimental Setup
5.2 Results
6 Conclusion
References
On the Exponential Ranking and Its Linear Counterpart
1 Introduction
2 Problem Statement
2.1 Necessary Facts from Graph Theory
2.2 Ranking and Scoring
3 Two Ranking Schemes for Signed Graphs
3.1 Exponential Ranking
3.2 Quasi-exponential Ranking
4 Numerical Analysis
5 Conclusions
References
FPPR: Fast Pessimistic PageRank for Dynamic Directed Graphs
1 Introduction
2 Related Work
3 Proposed Fast Pessimistic PageRank (FPPR) Algorithm for Dynamic Directed Graphs
4 Experiments and Results
4.1 Results
4.2 Computation Complexity
5 Conclusion
References
Community Structure
An Extension of K-Means for Least-Squares Community Detection in Feature-Rich Networks
1 Introduction: Background and Motivation
2 Least-Squares Criterion and Extended K-means
2.1 Least Squares Model for Community Detection
2.2 The Alternating Minimization and K-means
2.3 A Formulation Using Cosine Distance
3 Experimental Setting
4 Experimental Results
4.1 Comparison at Real-World Datasets
4.2 Comparison at Synthetic Datasets with Categorical Features
5 Conclusion
References
515443_1_En_25_Chapter_OnlinePDF
Selecting Informative Features for Post-hoc Community Explanation
1 Introduction
2 Background and Related Work
3 Methodology
3.1 Graph Generation
3.2 Community Detection
3.3 Network Features
3.4 Graph Rewiring
3.5 Community Classification
3.6 Statistical Methodology and Pilot Study
4 Results and Discussion
5 Conclusion
References
515443_1_En_26_Chapter_OnlinePDF
Community Detection by Resistance Distance: Automation and Benchmark Testing
1 Introduction
2 Methods
2.1 Definitions and Notation
2.2 Resistance-Distance-Based Community Detection Method
2.3 Method Validation: Benchmark Testing and Accuracy
3 Results
4 Discussion and Conclusion
References
515443_1_En_27_Chapter_OnlinePDF
Analysis of the Co-authorship Sub-networks of Italian Academic Researchers
1 Introduction
2 Dataset and Networks Description
3 Results
3.1 Topological Analysis
3.2 Community Analysis
4 Conclusions and Future Work
References
515443_1_En_28_Chapter_OnlinePDF
Dissecting Graph Measure Performance for Node Clustering in LFR Parameter Space
1 Introduction
2 Definitions
2.1 Kernel k-means
2.2 Closeness Measures
3 Dataset
4 Results
4.1 Global Leadership in LFR Space
4.2 Feature Importance Study
4.3 Gaussian Filter in Feature Space
5 Conclusions
References
515443_1_En_29_Chapter_OnlinePDF
Analyzing Community-Aware Centrality Measures Using the Linear Threshold Model
1 Introduction
2 Community-Aware Centrality Measures
3 Linear Threshold Model
4 Datasets and Evaluation Process
4.1 Data
4.2 Evaluation Process
5 Diffusive Power of the Community-aware Centrality Measures
5.1 Comparing the Outbreak Size with a Low Threshold
5.2 Comparing the Outbreak Size with a High Threshold
5.3 Comparing the Outbreak Size with a Random Threshold Uniformly Distributed
6 Ranking the Centrality Measures
7 Discussion
8 Conclusion
References
515443_1_En_30_Chapter_OnlinePDF
CoVerD: Community-Based Vertex Defense Against Crawling Adversaries
1 Introduction
2 Related Work
2.1 Defense via Local Network Perturbations
2.2 Defense via Global Network Perturbations
3 Preliminaries and Problem Definition
4 Method
4.1 CoVerD Algorithm
5 Experiments
5.1 Results
6 Conclusion and Future Direction
References
515443_1_En_4_PartFrontmatter_OnlinePDF
Link Analysis and Ranking
515443_1_En_31_Chapter_OnlinePDF
wsGAT: Weighted and Signed Graph Attention Networks for Link Prediction
1 Introduction
2 Formulation
3 Results
3.1 Dataset
3.2 Sign Prediction
3.3 Weight Prediction
3.4 Signed Weight Prediction
3.5 Code Availability
4 Conclusions
References
515443_1_En_32_Chapter_OnlinePDF
Link Predictability Classes in Complex Networks
1 Introduction
2 Related Works
3 Problem Statement and the Proposed Pipeline
4 Experimental Study
4.1 Synthetic Networks
4.2 Real-World Networks
5 Conclusions and Future Work
References
515443_1_En_33_Chapter_OnlinePDF
Vertex Entropy Based Link Prediction in Unweighted and Weighted Complex Networks
1 Introduction
2 Problem Statement and Related Work
2.1 Related Work
3 Preliminaries and Algorithm Framework
3.1 Preliminaries
3.2 Proposed Algorithm Framework
4 Experimental Setup and Result Analysis
4.1 Evaluation Metrics
4.2 Datasets
4.3 Results and Discussion
5 Conclusion
References
515443_1_En_5_PartFrontmatter_OnlinePDF
Network Models
515443_1_En_34_Chapter_OnlinePDF
Population Dynamics and Its Instability in a Hawk-Dove Game on the Network
Abstract
1 Introduction
2 Materials and Methods
2.1 Agents and Space
2.2 Model Description
2.3 Parameter Settings
3 Results
4 Conclusion
References
515443_1_En_35_Chapter_OnlinePDF
Context-Sensitive Mental Model Aggregation in a Second-Order Adaptive Network Model for Organisational Learning
Abstract
1 Introduction
2 Background Literature
3 The Self-modeling Network Modeling Approach Used
4 The Adaptive Network Model for Organisational Learning
5 Example Simulation Scenario
6 Discussion
References
515443_1_En_36_Chapter_OnlinePDF
A Leading Author Model for the Popularity Effect on Scientific Collaboration
1 Introduction
2 Model
3 Algorithm
3.1 Preliminary
3.2 Likelihood Function
3.3 Gibbs Sampling
3.4 EM Algorithm
3.5 Inference
4 Real Data Analysis
4.1 Scientific Collaboration Data
4.2 Popularity Effect
4.3 Influential Author Finding
5 Concluding Remark
References
515443_1_En_37_Chapter_OnlinePDF
Factoring Small World Networks
1 Introduction
2 Related Work
3 Definitions
3.1 Small Worlds
3.2 Thresholding Limitations
3.3 Problem Definition
4 Detection Process
4.1 Detection Using Undirected Weights
4.2 Guarantee of Detecting Strong Links in SW2
4.3 Guarantee of Detecting Weak Links in SW2
4.4 Effect of Random Links on Strong Links in SW2
4.5 Complexity
5 Experiments
5.1 Data Sets, Algorithms and Methods
5.2 Exposing the Regular Network
5.3 Effectively Identifying Strong and Weak Links
5.4 Evidence for Effectiveness of Vett
6 Conclusion
References
515443_1_En_38_Chapter_OnlinePDF
Limitations of Chung Lu Random Graph Generation
1 Introduction
1.1 Our Contributions
2 Properties of the Matrix Model
2.1 Not All Solutions are Positive
3 Results
4 Conclusion
References
515443_1_En_39_Chapter_OnlinePDF
Surprising Behavior of the Average Degree for a Node's Neighbors in Growth Networks
1 Introduction
2 Barabási-Albert model
2.1 Notations
2.2 The Evolution of the Barabási-Albert networks
3 The Dynamics of i(t)
3.1 The Main Result
3.2 Empirical Results
4 Conclusion
A The Proof of Lemma 1
B The Proof of Lemma 2
References
515443_1_En_40_Chapter_OnlinePDF
Towards Building a Digital Twin of Complex System Using Causal Modelling
1 Introduction
2 Prerequisites
2.1 Structural Causal Models
2.2 Noisy-OR
3 Causal Modelling for a Digital Twin
3.1 Digital Twin Architecture
3.2 Defining Variables and Rules
3.3 Noisy-OR SCM Models
3.4 Model Discovery from Observable Data
4 Experiments
4.1 Setup
4.2 Results
5 Conclusions
References
515443_1_En_41_Chapter_OnlinePDF
Constructing Weighted Networks of Earthquakes with Multiple-parent Nodes Based on Correlation-Metric
1 Introduction
2 Related Work
2.1 Link-Based Declustering Approach
2.2 k-Nearest Neighbors Approach
3 Proposed Method
3.1 Network Construction
3.2 Link-Weight Assignment
4 Experimental Evaluation
5 Conclusion
References
515443_1_En_6_PartFrontmatter_OnlinePDF
Motif Discovery in Complex Networks
515443_1_En_42_Chapter_OnlinePDF
Motif-Role Extraction in Uncertain Graph Based on Efficient Ensembles
1 Introduction
2 Related Work
3 Problem Framework
3.1 Motif Based Role Extraction
3.2 Role Extraction from Uncertain Graph
4 Methodology
4.1 Graph Ensemble
4.2 Role-Vector Ensemble
4.3 Similarity Ensemble
4.4 Cluster Ensemble
5 Experimental Evaluations
5.1 Dataset and Settings
5.2 Similarity Evaluation of Estimated Role Vectors
5.3 Similarity Evaluation of Estimated Similarity Matrices
5.4 Similarity Evaluation of Estimated Clusters
5.5 Efficiency Evaluation
5.6 Characteristic Evaluation of Extracted Roles
6 Conclusion
References
515443_1_En_43_Chapter_OnlinePDF
Analysing Ego-Networks via Typed-Edge Graphlets: A Case Study of Chronic Pain Patients
1 Introduction
2 Background and Preliminaries
2.1 Graphlets
2.2 Egocentric Graphlets
3 Typed-Edge Graphlet Degree Vector
4 Experiments and Analysis
4.1 Dataset
4.2 Analysing Pain Grades via GDV and TyE-GDV
4.3 Predicting Pain Grades via GDV and TyE-GDV
5 Conclusion
References
515443_1_En_44_Chapter_OnlinePDF
Analyzing Escalations in Militarized Interstate Disputes Using Motifs in Temporal Networks
Abstract
1 Introduction
2 Materials and Methods
3 Results
3.1 Motifs of Interest
3.2 Temporal Motif Distributions at Different Completion Times
3.3 Motif Distributions Over Time and States
4 Conclusion
Acknowledgments
References
515443_1_En_45_Chapter_OnlinePDF
Experiments on F-Restricted Bi-pattern Mining
1 Introduction
2 F-Restricted Bi-pattern Mining
2.1 Core Closed Single Pattern Mining
2.2 Core Closed Bi-pattern Mining
2.3 F-Restricted Core-Closed Bi-pattern Mining
2.4 Restricted Bi-Pattern Enumeration
3 Experiments
3.1 First Experiments on Restricted Bi-patterns Mining
3.2 Qualitative Experiments on F-Restricted Bi-pattern Mining
4 Conclusion
References
515443_1_En_7_PartFrontmatter_OnlinePDF
Temporal Networks
515443_1_En_46_Chapter_OnlinePDF
Finding Colorful Paths in Temporal Graphs
1 Introduction
2 Preliminaries
3 Inapproximability of Max CPTG
4 A Heuristic for Max CPTG
5 Experimental Results
6 Conclusion
References
515443_1_En_47_Chapter_OnlinePDF
Quantitative Evaluation of Snapshot Graphs for the Analysis of Temporal Networks
1 Introduction
2 Related Works
3 Proposed Evaluation Framework
3.1 Stability
3.2 Fidelity
4 Filtering Procedure
5 Results
5.1 Datasets
5.2 Stochastic Baseline
5.3 Stability of Filtered and Aggregated Networks
5.4 Fidelity: FPs vs FNs
6 Conclusions
6.1 Discussion
6.2 Alternatives and Future Perspectives
References
515443_1_En_48_Chapter_OnlinePDF
Convergence Properties of Optimal Transport-Based Temporal Networks
1 Introduction
2 The Model
2.1 Network Sequences
3 Results on Synthetic Data
3.1 Results on Real Networks of P. polycephalum
4 Conclusions
1 Synthetic Data
2 P. polycephalum Networks
References
515443_1_En_49_Chapter_OnlinePDF
A Hybrid Adjacency and Time-Based Data Structure for Analysis of Temporal Networks
1 Introduction
2 Background and Related Work
2.1 Temporal Network Representations
2.2 Data Structures for Networks
2.3 Related Work
3 Proposed Hybrid Data Structure
3.1 Interval Tree: Time-Based Slices
3.2 Adjacency Dictionary: Node-Based Slices
3.3 Compound Slices
4 Experiments
4.1 Data Sets
4.2 Comparison Baselines
4.3 Basic Operations
4.4 Case Study
5 Results
5.1 Basic Operations
5.2 Case Study
6 Conclusion
References
515443_1_En_8_PartFrontmatter_OnlinePDF
Modeling Human Behavior
515443_1_En_50_Chapter_OnlinePDF
Markov Modulated Process to Model Human Mobility
1 Introduction
2 Random Mobility Simulator
3 The Markov Modulated Process (MMP)
3.1 A First Approach: the Combinatorial MMP Model
3.2 Reduced MMP Model for Human Mobility
4 Real-world Application of MMP to HMP in a Library
4.1 Building the Reduced MMP Model
4.2 Results of the Reduced MMP Model
5 Conclusions and Outlook
References
515443_1_En_51_Chapter_OnlinePDF
An Adaptive Mental Network Model for Reactions to Social Pain
Abstract
1 Introduction
2 Background Literature
3 Modeling Adaptive Networks
4 An Adaptive Network Model for Reactions to Social Pain
5 Simulation Results
6 Discussion
References
515443_1_En_52_Chapter_OnlinePDF
Impact of Monetary Rewards on Users' Behavior in Social Media
1 Introduction
2 Related Work
3 Proposed Method
3.1 SNS-Norms Game with Monetary Reward and Article Quality
3.2 Evolutionary Process
4 Experiments
4.1 Experimental Settings
4.2 Experimental Result - Complete Graph
4.3 Experimental Results - CNN-Model Network
5 Conclusion
References
515443_1_En_53_Chapter_OnlinePDF
Versatile Uncertainty Quantification of Contrastive Behaviors for Modeling Networked Anagram Games
1 Introduction
1.1 Background and Motivation
1.2 Our Contributions and Their Implications
2 Related Work
3 Previous Models
4 The Proposed VUQ Method
5 Model Evaluation
6 Simulations and Results
6.1 Simulation Parameters and Process
6.2 Simulation Results
7 Conclusion
References
515443_1_En_54_Chapter_OnlinePDF
Neural-Guided, Bidirectional Program Search for Abstraction and Reasoning
1 Introduction
2 Abstraction Using DreamCoder
2.1 Warmup: Forming Abstractions
2.2 Enabling Generalization on ARC Symmetry Tasks
2.3 Discussion
3 Bidirectional, Neural-Guided Program Search
3.1 Algorithm Description
3.2 Experiments
4 Discussion
References
515443_1_En_55_Chapter_OnlinePDF
Success at High Peaks: A Multiscale Approach Combining Individual and Expedition-Wide Factors
1 Data
2 The Effect of Climbing with Repeat Partners
3 Intra-expedition Features Determining Success
4 Generating a Multiscale Network
5 Determining Layer Importance Through Correlation with Success
6 Community Detection to Identify Patterns of Success
7 Discussion and Future Work
References
515443_1_En_56_Chapter_OnlinePDF
Data-Driven Modeling of Evacuation Decision-Making in Extreme Weather Events
1 Introduction
1.1 Background and Motivation
1.2 Our Contributions
2 Models and Results
2.1 Network Model
2.2 Family Behavior Model
2.3 Agent-Based Model for Simulation
3 Simulations and Results
3.1 Simulation Description and Parameters
3.2 Simulation Results
3.3 Policy Implications of Results
4 Conclusions
References
515443_1_En_57_Chapter_OnlinePDF
Effects of Population Structure on the Evolution of Linguistic Convention
1 Introduction
2 Model
2.1 Model Definition
2.2 Network Topologies
3 Results
3.1 Influence of Population Structure
3.2 Influence of Population Size
4 Conclusions
References
515443_1_En_58_Chapter_OnlinePDF
Quoting is not Citing: Disentangling Affiliation and Interaction on Twitter
References
515443_1_En_9_PartFrontmatter_OnlinePDF
Network in Finance and Economics
515443_1_En_59_Chapter_OnlinePDF
The COVID-19 Pandemic and Export Disruptions in the United States
1 Introduction
2 Theory
2.1 Industry Linkages and Disruption Propagation
2.2 Effectiveness of Policy Interventions
3 Data and Research Design
3.1 Covariates
3.2 Model and Specification: The Count ERGM
4 Results
5 Conclusion
References
515443_1_En_60_Chapter_OnlinePDF
Default Prediction Using Network Based Features
1 Introduction
2 Temporal Transactional Network
3 Prediction Method
3.1 Financial Features
3.2 Network Features
3.3 High Class Imbalance Problem
3.4 Classifiers
4 Performance Analysis
4.1 Experimental Setup
4.2 Preliminary Selection of Classifier and Class Imbalance Method
4.3 Comparison Between Models
4.4 Robustness of the Optimal Model
4.5 Interpretation of Results
5 Conclusions and Future Work
References
515443_1_En_61_Chapter_OnlinePDF
Can You Always Reap What You Sow? Network and Functional Data Analysis of Venture Capital Investments in Health-Tech Companies
1 Introduction
2 Network Characterization
2.1 Communities
3 Success Analysis
4 Discussion
References
515443_1_En_62_Chapter_OnlinePDF
Asymmetric Diffusion in a Complex Network: The Presence of Women on Boards
1 Introduction
2 Theoretical Framework
2.1 Dynamical Processes on an Undirected Network
2.2 Asymmetric Agreement
2.3 Asymptotics
3 A Real Network: Boards of Directors and the Proportion of Women on Boards
3.1 Network of Company Boards
3.2 Empirical Symmetric Model
3.3 Empirical Asymmetric Model
4 Conclusions
References
515443_1_En_63_Chapter_OnlinePDF
Marginalisation and Misperception: Perceiving Gender and Racial Wage Gaps in Ego Networks
1 Introduction
2 Related Literature
3 Model
4 Results
4.1 Mean Local Perceptions
4.2 Individual Local Perceptions
4.3 Composite Signal and Empirical Calibration
5 Discussion
References
515443_1_En_64_Chapter_OnlinePDF
A Networked Global Economy: The Role of Social Capital in Economic Growth
1 Introduction
2 Materials and Methods
2.1 Network Centralities as Proxy for Types of Social Capital
2.2 Link Between Social Capital Types and TFP Factors
2.3 Social Capital and Economic Growth
2.4 Global Network Data
3 Results
3.1 Panel Data Set
3.2 Social Capital Contribution to Economic Output
4 Conclusions
References
515443_1_En_65_Chapter_OnlinePDF
The Role of Smart Contracts in the Transaction Networks of Four Key DeFi-Collateral Ethereum-Based Tokens
1 Introduction
1.1 Blockchain and Ethereum
1.2 Transaction Networks in Blockchain Systems
1.3 Four Tokens Used as DeFi Collateral
2 Data Description
2.1 Preferential Attachment
3 Methods and Implementation
3.1 Network Dismantling
3.2 Assortativity
4 Discussion
References
515443_1_En_10_PartFrontmatter_OnlinePDF
Resilience, Synchronization and Control
515443_1_En_66_Chapter_OnlinePDF
Synchronization of Complex Networks Subject to Impulses with Average Characteristics
1 Introduction
2 Preliminaries
3 Main Results
4 Example
5 Conclusion
References
515443_1_En_67_Chapter_OnlinePDF
Retrieval of Redundant Hyperlinks After Attack Based on Hyperbolic Geometry of Web Complex Networks
Abstract
1 Introduction
2 Methods and Evaluation Metrics
2.1 Problem Definition
2.2 Attack Strategies
2.3 Retrieval Strategies
2.4 Redundant Hyperlinks Identification
2.5 Evaluation Metrics
3 Datasets
4 Experimental Results and Analysis
4.1 Comparison of Retrieval Methods
4.2 Comparison of the Network Structure Under Different Retrieval Strategy
5 Conclusion
References
515443_1_En_68_Chapter_OnlinePDF
Deep Reinforcement Learning for FlipIt Security Game
1 Introduction
2 Related Work
3 Game Environment
3.1 Framework
3.2 Markov Decision Process
4 Model Architecture
5 Experimental Results
5.1 Renewal Strategies
5.2 Larger Action-Spaced FlipIt Extension
5.3 Multiplayer FlipIt
5.4 Future Work
6 Conclusion
References
515443_1_En_69_Chapter_OnlinePDF
Accelerating Opponent Strategy Inference for Voting Dynamics on Complex Networks
1 Introduction
2 Model Description
3 Results
3.1 Inferring the Opponent Strategy at a Single Node
3.2 Inferring Opponent Strategies over Entire Networks
4 Conclusion
References
515443_1_En_70_Chapter_OnlinePDF
Need for a Realistic Measure of Attack Severity in Centrality Based Node Attack Strategies
1 Introduction
2 Centrality Based Attack Strategies
2.1 Random (Rand) Attacks
2.2 Degree Centrality (DC) Attacks
2.3 Betweenness Centrality (BC)
2.4 Combination of Degree and Betweenness Centrality
2.5 Eigenvector Centrality (EC) Attacks
2.6 Closeness Centrality (CC) Attacks
3 Efficiency Measures
3.1 Size of Largest Connected Component (LCC)
3.2 Average Geodesic Path Length
4 A Comparative Study of Centrality Based Attack Strategies
5 Conclusions
References
515443_1_En_71_Chapter_OnlinePDF
Mixed Integer Programming and LP Rounding for Opinion Maximization on Directed Acyclic Graphs
1 Introduction
1.1 Related Work
2 Preliminaries
2.1 Opinion Formation Games
2.2 Opinion Maximization
3 Mixed Integer Programming and LP Rounding for Directed Acyclic Graphs
3.1 Mixed Integer Linear Programs
3.2 LP Randomized Rounding Algorithms
4 Numerical Results for LP Randomized Rounding 1
4.1 Directed Trees
4.2 Directed Acyclic Graphs
5 Conclusions and Future Work
References
515443_1_En_72_Chapter_OnlinePDF
Correction to: Complex Networks & Their Applications X
Correction to: R. M. Benito et al. (eds.): Complex Networks & Their Applications X, SCI 1072, https://doi.org/10.1007/978-3-030-93409-5
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