yusuke1997/dblp-id-title huggingface dataset:
GCIRM: Toward Green Communication With Intelligent Resource Management Scheme for Radio Access Networks
Relay Selection in Full-Duplex Energy-Harvesting Two-Way Relay Networks
Energy-Efficient Joint Computation Offloading and Resource Allocation Strategy for ISAC-Aided 6G V2X Networks
Energy-Efficient Proactive Content Caching For On-Demand Video Streaming Under Uncertainty
Short-Packet Amplify-and-Forward Relaying for the Internet-of-Things in the Face of Imperfect Channel Estimation and Hardware Impairments
Elastic Scaling of Resources for Energy-Efficient Container Cloud Using Reinforcement Learning
Blockchain-Based Privacy-Preserving and Accountable Mobile Edge Outsourcing Computing Framework for the Metaverse
Efficient Wideband Adaptive Beamforming With Null Broadening Using MHSA-CNN
Optimizing Blockchain Based Smart Grid Auctions: A Green Revolution
Resource Allocation for UAV Swarm-Assisted Green ISAC Networks via Multi-Agent RL
Optimal Control of Asymmetrical Multiagent Switching Systems for IoT
Multi-BD Symbiotic Radio-Aided 6G IoT Network: Energy Consumption Optimization With QoS Constraint Approach
Distributed User Association in Energy Harvesting Small Cell Networks: An Exchange Economy With Uncertainty
A Hybrid RF-VLC System for Energy Efficient Wireless Access
S-Glint: Secure Federated Graph Learning With Traffic Throttling and Flow Scheduling
Intelligent Energy-Aware Routing Protocol in Mobile IoT Networks Based on SDN
TaskPOI Priority-Based Energy Balanced Multi-UAVs Cooperative Trajectory Planning Algorithm in 6G Networks
Efficient Receive Diversity in Distributed Sensor Networks Using Selective Sample Forwarding
Optical Geometric Transformation-Based Orbital Angular Momentum for Indoor Multiuser Communications
On Secure Underlay MIMO Cognitive Radio Networks With Energy Harvesting and Transmit Antenna Selection
Delay-Based Packet-Granular QoS Provisioning for Mixed Traffic in Industrial Internet of Things
Deep Reinforcement Learning-Assisted Energy Harvesting Wireless Networks
Magnetic Blind Beamforming for Battery-Free Wireless Sensor Networks
Two-Dimensional Intensity Distribution and Adaptive Power Allocation for Ultraviolet Ad-Hoc Network
EVCT: An Efficient VM Deployment Algorithm for a Software-Defined Data Center in a Connected and Autonomous Vehicle Environment
Energy-Efficient Precoder Design for Downlink Multi-User MISO Networks With Finite Blocklength Codes
Green Tethered UAVs for EMF-Aware Cellular Networks
Maximizing Received Energy in Magnetic Resonance Wireless Power Transfer Using Feedback
Performance Analysis of a MIMO System With Bursty Traffic in the Presence of Energy Harvesting Jammer
Energy-Efficient Task Scheduling Based on Traffic Mapping in Heterogeneous Mobile-Edge Computing: A Green IoT Perspective
Collaborative Multi-BS Power Management for Dense Radio Access Network Using Deep Reinforcement Learning
UAV Deployment and IoT Device Association for Energy-Efficient Data-Gathering in Fixed-Wing Multi-UAV Networks
Structural Properties of Optimal Power Allocation for DAS-OFDM Under Joint Total and Individual Power Constraints
Energy-Delay Tradeoff for Dynamic Trajectory Planning in Priority-Oriented UAV-Aided IoT Networks
LoRaWAN Network Planning
Optimal Energy Harvesting Strategy in Cell-Free Massive MIMO Using Markov Process Evolution
Near-Field Extremely Large-Scale STAR-RIS Enabled Integrated Sensing and Communications
Energy Harvesting From Jamming Attacks in Multi-User Massive MIMO Networks
Joint Bit Allocation and Hybrid Beamforming Optimization for Energy Efficient Millimeter Wave MIMO Systems
On the Secure Stability Region of Two-User NOMA Under Finite Blocklength Regime
A Novel DCSK-Based Linear Frequency Modulation Waveform Design for Joint Radar and Communication Systems
Reliability-Aware Computation Offloading for Delay-Sensitive Applications in MEC-Enabled Aerial Computing
Joint Optimization of IRS Location and Passive Beamforming for Enhanced Received Power
Gradient Ascent Algorithm for Enhancing Secrecy Rate in Wireless Communications for Smart Grid
Connectivity Probability Analysis for Green Cooperative Cognitive Vehicular Networks
State-Aware Timeliness in Energy Harvesting IoT Systems Monitoring a Markovian Source
Federated Learning With Energy Harvesting Devices
Multi-Hop D2D Communication in Cellular Networks to Minimize EMR
Multi-Round Stackelberg Game-Based Pricing and Offloading in Containerized MEC Networks
Energy Efficiency Maximization for Intelligent Surfaces-Aided Massive MIMO With Zero Forcing
A Green Hybrid Congestion Management Scheme for IoT-Enabled WSNs
Resource Inference for Sustainable and Responsive Task Offloading in Challenged Edge Networks
Green Heterogeneous Networks via an Intelligent Sleep/Wake-Up Mechanism and D2D Communications
A Novel Energy Model for Renewable Energy-Enabled Cellular Networks Providing Ancillary Services to the Smart Grid
An RIS-Aided Interference Mitigation-Based Design for MIMO-NOMA in Cellular Networks
On the Capacity of M-ary ASK Two-Hop Channel With Finite Battery Energy Harvesting Relay
Time-Switching EH-Based Joint Relay Selection and Resource Allocation Algorithms for Multi-User Multi-Carrier AF Relay Networks
Beyond Edge Caching: Freshness and Popularity Aware IoT Data Caching via NDN at Internet-Scale
Erasure Coding for Ultra-Low Power Wireless Networks
A Service-Aware Scheme for Improving Channel Selectivity of BLE Beacon Advertising
Cost-Aware Renewable Energy Management With Application in Cellular Networks
DRL-Based Green Resource Provisioning for 5G and Beyond Networks
Dimensioning Renewable Energy Systems to Power Mobile Networks
Modeling and Analysis of Energy Harvesting and Smart Grid-Powered Wireless Communication Networks: A Contemporary Survey
RECO: On-Demand Recharging and Data Collection for Wireless Rechargeable Sensor Networks
Energy-Efficient Wireless Powered Secure Transmission With Cooperative Jamming for Public Transportation
UAV-Enabled Non-Orthogonal Multiple Access Networks for Ground-Air-Ground Communications
Outage-Constrained Rate of Skip-Sliding Window Codes
Martingale Theory-Based Definition and Analysis of Energy Self-Sustainability in Batteryless Internet of Things
Performance-Aware NILM Model Optimization for Edge Deployment
Synthesis of Energy Efficiency-Enhanced Directional Modulation Transmitters
Secure Resource Allocation and Trajectory Design for UAV-Assisted IoT With Double Cluster Head
Energy and Pilot Efficient Beamforming for LoS Wireless Power Transfer
On the Latency-Energy Performance of NB-IoT Systems in Providing Wide-Area IoT Connectivity
Energy Efficiency Aware Computation Offloading in RIS-Enhanced Symbiotic Radio Systems
Energy Aware Latency Minimization for Network Slicing Enabled Edge Computing
Optimization of SWIPT With Battery-Assisted Energy Harvesting Full-Duplex Relays
Transmit Antenna Selection-Based SM-OTFS System for Green Communication
Joint Spectrum and Power Allocation for Cognitive NOMA Communications With RF Energy Harvesting
Energy-Efficient Boundary-Enabled Scheduling in the Downlink of Multi-Carrier Multi-Access Heterogeneous Network
Joint Optimization Framework for Operational Cost Minimization in Green Coverage-Constrained Wireless Networks
Transfer Learning-Aided Collaborative Computational Method for Intelligent Transportation System Applications
Communication-Efficient Federated Learning: A Second Order Newton-Type Method With Analog Over-the-Air Aggregation
AI-Based Secure NOMA and Cognitive Radio-Enabled Green Communications: Channel State Information and Battery Value Uncertainties
Distributed Resource Allocation in RF-Powered Cognitive Ambient Backscatter Networks
Ensemble Learning for Load Forecasting
Transmit Power Optimization for a Hybrid PLC/VLC/RF Communication System
Editorial Recent Techniques of Green Information and Communications Technologies
EASE: Energy-Aware Job Scheduling for Vehicular Edge Networks With Renewable Energy Resources
AUV-Assisted Underwater Acoustic Green Covert Communication Dynamic Evolutionary Game Model in Internet of Underwater Things
Reinforcement Learning for Energy Harvesting Decode-and-Forward Two-Hop Communications
Energy and Distance Optimization in Rechargeable Wireless Sensor Networks
Guest Editorial Special Issue on "Green Communication and Computing Technologies for 6G Networks" in IEEE Transactions on Green Communications and Networking
SLIPT-Enabled Multi-LED MU-MISO VLC Networks: Joint Beamforming and DC Bias Optimization
Age-of-Information With Information Source Diversity in an Energy Harvesting System
Intelligent UAV-Based Mobile Offloading: A Multi-Objective Optimization Approach
Efficiency and Fairness Oriented Dynamic Task Offloading in Internet of Vehicles
Distributed BESS Scheduling for Power Demand Reshaping in 5G and Beyond Networks
Spreading the Wave: Low-Complexity PAPR Reduction for AFDM and OCDM in 6G Networks
Energy Efficient QoS-Based Access Point Selection in Hybrid WiFi and LiFi IoT Networks
Multi-User Downlink NOMA Systems Aided by Ambient Backscattering: Achievable Rate Regions and Energy-Efficiency Maximization
JPUSA in Coexistence of eMBB and URLLC Services in Multi-Cell IRS-Assisted Terahertz Networks
SER Analysis for SWIPT-Enabled Differential Decode-and-Forward Relay Networks
Battery Recharging Time Models for Reconfigurable Intelligent Surfaces-Assisted Wireless Power Transfer Systems
Adaptive and Lightweight Network Traffic Classification for Edge Devices
Decentralized Energy Management for Wireless Power Transfer Assisted Platoon Autonomous Driving: A Leader-to-Follower Approach
Green Transceiver Design and Antenna Selection for QoS-Aware Integrated Sensing and Communication Systems
Steady-State Rate-Optimal Power Adaptation in Energy Harvesting Opportunistic Cognitive Radios With Spectrum Sensing and Channel Estimation Errors
Energy-Efficient Beamforming and Resource Optimization for STAR-IRS Enabled Hybrid-NOMA 6G Communications
UAV-Enabled Wireless-Powered Underground Communication Networks: A Novel Time Allocation Approach
Direction Modulation Design for UAV Assisted by IRS With Discrete Phase Shift
Statistical Analysis and Energy-Efficient Routing for Tsunami Early Alarming in Internet of Underwater Things Using SDN Infrastructure
Joint Optimization of Trajectory, Task Offloading, and CPU Control in UAV-Assisted Wireless Powered Fog Computing Networks
Stackelberg Game for Cognitive Ambient Backscatter Network With Perfect and Imperfect Spectrum Sensing
Starling Flocks-Inspired Resource Allocation for ISAC-Aided Green Ad Hoc Networks
Beamforming Techniques for NOMA-Based Integrated Sensing and Communication Systems
Reinforcement Learning for Scheduling Wireless Powered Sensor Communications
Multi-Modal Iterative and Deep Fusion Frameworks for Enhanced Passive DOA Sensing via a Green Massive H 2 AD MIMO Receiver
Distributed Sparse Signal Detection With Energy-Efficient Censoring-Quantization in Wireless Sensor Networks
A Communication Confrontation Based on the Stackelberg Game: IRS Aids for Improving Anti-Jamming Capability
Dynamic-Controlled RIS Assisted Multi-User MISO Downlink System: Joint Beamforming Design
Guest Editorial Special Issue on Rate-Splitting Multiple Access for Future Green Communication Networks
Deadline Constrained Packet Scheduling in the Presence of an Energy Harvesting Jammer
Improving the Performance of Cell-Edge Users in MISO-NOMA Systems Using TAS and SWIPT-Based Cooperative Transmissions
Energy Efficiency Optimization for D2D Communication Underlaying Distributed Antenna System
Stochastic Cooperative Optimization for Multicast Scheduling in Heterogeneous and Green 5G Networks
Joint Code Index Modulation Aided Enhanced Spatial Modulation for High-Rate MIMO Systems
Two-Layer Stackelberg Game-Based Offloading Strategy for Mobile Edge Computing Enhanced FiWi Access Networks
Wireless Full-Duplex Medium Access Control for Enhancing Energy Efficiency
Energy-Efficient Federated Learning With Intelligent Reflecting Surface
Cooperative Power Management in Energy Harvesting Communication Systems in Presence of a Helper
Intelligent Edge-Enabled Efficient Multi-Source Data Fusion for Autonomous Surface Vehicles in Maritime Internet of Things
Impact of Power Consumption Models on the Energy Efficiency of Downlink NOMA Systems
Performance of a Cooperative Communication Network With Green Self-Sustaining Nodes
Anomaly Detection Algorithm of Industrial Internet of Things Data Platform Based on Deep Learning
Green Heterogeneous Computing Powers Allocation Using Reinforcement Learning in SDN-IoV
Self-Sustainability of Energy Harvesting Systems: Concept, Analysis, and Design
FederatedGrids: Federated Learning and Blockchain-Assisted P2P Energy Sharing
A Non-Cooperative Pricing Strategy for UAV-Enabled Charging of Wireless Sensor Network
Hybrid Energy Resource Allocation for Simultaneous Wireless Information and Power Transfer for Green Communications
Enabling Energy Efficient HVAC Operation Through IWSNs
Optimal Computation Resource Allocation in Energy-Efficient Edge IoT Systems With Deep Reinforcement Learning
DAG-Based Smart Contract for Dynamic 6G Wireless EVs Charging System
An Edge Tier Task Offloading to Identify Sources of Variance Shifts in Smart Grid Using a Hybrid of Wrapper and Filter Approaches
Adaptive Low-Latency Split Federated Learning With Dynamic Model Partitioning in Resource-Constrained Healthcare IoT
Simultaneous Lightwave Information and Power Transfer (SLIPT)
Two-Stage Dilated Convolutional Neural Network-Based Detector for OFDM-IM
Efficient Data Uploading for Mobile Crowdsensing via Team Collaborating and Matching
Performance of Partitioning Enabled IRS-Assisted NOMA Network With Opportunistic User Relaying
Energy Consumption and Sustainable Services in Intelligent Reflecting Surface and Unmanned Aerial Vehicles-Assisted MEC System for Large-Scale Internet of Things Devices
Optimal Relay Selection and Power Control for Energy-Harvesting Wireless Relay Networks
Fair Scheduling of Wireless Power Transfer to Nonlinear Energy Harvesters
Rate-Splitting Multiple Access for Secure Communications Over CR MISO SWIPT Systems With Non-Linear EH Users
Multi-IRS Assisted Wireless-Powered Mobile Edge Computing for Internet of Things
Online Power Management Strategies for Energy Harvesting Mobile Networks
Energy-Efficient Topology Construction via Power Allocation for Decentralized Learning via Smart Devices With Edge Computing
Blockchain-Empowered Security and Energy Efficiency of Drone Swarm Consensus for Environment Exploration
Multi-Node Efficient Activation Scheduling and Global Estimation Method Based on Spatio-Temporal Scope Joint Information Model
Optimal Use of Harvested Solar, Hybrid Storage and Base Station Resources for Green Cellular Networks
Trust-Based Multi-Agent Imitation Learning for Green Edge Computing in Smart Cities
Blockchain-Based Data Dissemination Scheme for 5G-Enabled Softwarized UAV Networks
Full-Duplex SWIPT Relaying Based on Spatial-Modulation
Towards Throughput Aware and Energy Aware Traffic Load Balancing in Heterogeneous Networks with Hybrid Power Supplies
Efficient Automatic Modulation Classification for Next-Generation Wireless Networks
Robust Beamforming Design for RSMA-Integrated Full-Duplex Communications: Energy and Spectral Efficiency Trade-Off
Energy-Aware Resource Optimization for Improved URLLC in Multi-Hop Integrated Aerial Terrestrial Networks
Performance Analysis of Cooperative Wireless-Powered NOMA System With Energy Buffer
ISAC-Accelerated Edge Intelligence: Framework, Optimization, and Analysis
An Enhanced Methodology for Energy-Efficient Interdependent Source-Channel Coding for Wireless Sensor Networks
Wireless Energy Transfer Using Chirp Waveform With Joint Subband Selection and Max-Min Power Control for IoT Networks
CALM: QoS-Aware Vehicular Sensor-as-a-Service Provisioning in Cache-Enabled Multi-Sensor Cloud
Data Collection in Laser-Powered UAV-Assisted IoT Networks: Phased Scheme Design Based on Improved Clustering Algorithm
A Cost Effective Architecture and Throughput Efficient Dynamic Bandwidth Allocation Protocol for Fog Computing Over EPON
UAV-Served Energy Harvesting-Enabled M2M Networks for Green Industry - A Perspective of Energy Efficient Resource Management Scheme
An IoT-Based Prediction Technique for Efficient Energy Consumption in Buildings
AuGrid: Edge-Enabled Distributed Load Management for Smart Grid Service Providers
Centralized and Distributed Algorithms for Energy and Spectrum Efficient User Association in Small Cell Networks
Improved Deep Learning Methods for Beamforming in Secure SWIPT Networks
Modeling and Analysis of Latency Distribution in the 40-100Gbps Dual-Mode Energy Efficient Ethernet
A Control-Theoretic Approach for Cell Zooming of Energy Harvesting Small Cell Networks
Digital-Twin-Enabled City-Model-Aware Deep Learning for Dynamic Channel Estimation in Urban Vehicular Environments
Energy-Preserving Indirect-Feedback for Wireless Power Transfer: Algorithm and Hardware Architecture
An Energy-Efficient Selection Mechanism of Relay and Edge Computing in UAV-Assisted Cellular Networks
Harvest-or-Transmit Policy for Cognitive Radio Networks: A Learning Theoretic Approach
Optimal Dual-Connectivity Traffic Offloading in Energy-Harvesting Small-Cell Networks
Non-Diagonal Versus Diagonal RIS Architectures in Nakagami-m Fading Channels
Post-Quantum Secure Handover Mechanism for Next-Generation Aviation Communication Networks
Transmission Time Minimization-Based UAV Deployment and Resource Allocation With Random User Position Information
Distributed State Estimation Over Unreliable Communication Networks With an Application to Smart Grids
On Adaptive Transmission for Distributed Detection in Energy Harvesting Wireless Sensor Networks With Limited Fusion Center Feedback
AN-Aided Relay-Selection Scheme for Securing Untrusted RF-EH Relay Systems
Reliability and Energy Efficiency Enhancement for Emergency-Aware Wireless Body Area Networks (WBANs)
SER-Optimized Multi-Level ASK Modulations for RIS-Assisted Communications With Energy- and Sign-Based Noncoherent Reception
Multi-Branch Unsupervised Learning-Based Beamforming in mm-Wave Massive MIMO Systems With Inaccurate Information
GAS: DVFS-Driven Energy Efficiency Approach for Latency-Guaranteed Edge Computing Microservices
BESS Aided Renewable Energy Supply Using Deep Reinforcement Learning for 5G and Beyond
Minimal Energy Broadcast for Delay-Bounded Applications in Satellite Networks
Energy Minimization for NOMA Cellular Networks With Two-Dimensional Resource Allocation
Green Holographic MIMO Communications With a Few Transmit Radio Frequency Chains
GatS-Net: GAT-Based Superimposed CSI Feedback
Is Fiber-to-the-Room (FTTR) Green? - Modeling and Analysis of Power and Energy Consumption
Towards Understanding and Enhancing Association and Long Sleep in Low-Power WiFi IoT Systems
Approach of Robust Resource Allocation in Cognitive Radio Network With Spectrum Leasing
Green AI for IIoT: Energy Efficient Intelligent Edge Computing for Industrial Internet of Things
Exception-Tolerant Decision Tree / Rule Based Classifiers
Proposition d'une approche générique pour la formalisation et l'implémentation des processus
Peer-to-Peer Information Access and Retrieval
Motifs séquentiels multidimensionnels et mesure. Différentes techniques pour calculer le support
Adaptive League Championship Algorithm (ALCA) for Independent Task Scheduling in Cloud Computing
Get_Move : fouille de données d'objets mobiles
Une approche de filtrage d'opinions à base de crédibilité dans un contexte de réseaux sociaux
A Framework to Evaluate the Quality of Information System Models
Fenêtres sur cube
Modélisation multidimensionnelle des versions de processus
Vérification automatique d'exigences pour les politiques d'échange d'information. Exigences de diffusion et de non-diffusion d'information
Extended Statistical Analysis on Multimedia Concealed Data Detections
Machines pour flux de données. Comparaison de langages de requêtes continues
Accès à des sources de données hétérogènes par des processus métiers intégrés
Modelling of Crime Record Management System Using Unified Modeling Language
Evaluation of Third-party Reverse Logistics Providers Based on Extension Superiority Method
Transfer Learning Approach - An Efficient Method to Predict Rainfall Based on Ground-Based Cloud Images
Mécanisme de rétribution pour les systèmes P2P d'échange de fichiers. Comment résoudre le problème du cavalier seul
An Intelligent Approach for Protecting Privacy in Distributed Information Mining Using Secured Computation of Multiple Participating Sites
A Hybrid Modified Whale Optimization Algorithm with Simulated Annealing for Terrorism Prediction
KUP, un modèle pour la présentation multimodale et opportuniste d'informations en situation de mobilité
Design and Simulation of a Collision-free Path Planning Algorithm for Mobile Robots Based on Improved Ant Colony Optimization
Système d'aide à l'alignement d'ontologies métier. Application au domaine géotechnique
Case Based Reasoning Framework for COVID-19 Diagnosis
Recherche top-k dépendant d'un contexte à l'aide de vues
Kalinahia. Modèle de qualité de service pour les applications multimédia reconfigurables
Leveraging efficient indexing schema to support multigraph query answering
Prédiction de liens temporels en intégrant les informations de contenu et de structure
Secret Sharing with Reduced Share Size and Data Integrity
Méthodes de conception de Serious Games. Vers un modèle générique ?
Géolocalisation en milieu urbain par appariement entre une collection d'images et un SIG 2D
Vers une base de données radiophonique
Comparaison et fusion de structures logiques de documents semi-structurés
Dissimilarités entre jeux de données
Cheating Prevention and Detection Technique in Visual Secret Sharing
Réduction de l'espace de recherche par les techniques d'élagage
Vers une démarche interdisciplinaire d'ingénierie des pratiques collectives
Hybrid Approach for Detection of Objects from Images Using Fisher Vector and PSO Based CNN
Improving the Accuracy of M-distance Based Nearest Neighbor Recommendation System by Using Ratings Variance
L'intelligence économique coopérative. Une approche par les réseaux
Algorithmes de sélection des index de jointure binaires mono et multi-attributs
Solutions d'interopérabilité sémantique pour la surveillance de l'antibiorésistance en Europe
An Optimized Machine Learning Model for Stock Trend Anticipation
Un modèle de crédibilité basé sur le clustering flou pour une évaluation probabiliste de la confiance des ressources sur le Web
Techniques d'indexation de souscriptions pour la syndication web
Intégration de périphériques contraints par reconfiguration dynamique d'applications. Cas des capteurs sans-fil
An Evolving Hybrid Deep Learning Framework for Legal Document Classification
Gaia, validation des données. Un milliard d'étoiles, de pixels et de mégaoctets
Co-évolution des modèles et de leurs métamodèles. Application à l'évolution des profils UML
Robust Cluster-then-label (RCTL) Approach for Heart Disease Prediction
Color QR Pattern-Driven Cancelable Biometric Fingerprint System
Amadeus. Analyse de données massives en sciences de la terre et de l'univers
Collaborative Component Interaction
Coordination d'activités dans les chaînes logistiques. Une approche multi-agent par formation de coalitions
A Hierarchical Model of E-Commerce Sellers Based on Data Mining
Développements formels d'interfaces multimodales fondés sur la preuve et le raffinement. Scénarios de développement
Modéliser l'utilisateur pour la diffusion de l'information dans les réseaux sociaux
Indexation par apprentissage local et global pour la recherche symbolique d'images fixes
Online Car-Hailing Supply-Demand Forecast Based on Deep Learning
Interopérabilité sémantique entre vocabulaires contrôlés. Évaluation de la qualité des alignements sur des données de standards du diagnostic in vitro
A Weight Based Feature Extraction Model on Multifaceted Multimedia Bigdata Using Convolutional Neural Network
Méthode automatisée de conception de scénarios d'évolution organisationnelle fondée sur les processus et les buts
A Fast Algorithm for Particle Stacking
Web services composition using software agents and conversations
A Hybrid Prediction Model for E-Commerce Customer Churn Based on Logistic Regression and Extreme Gradient Boosting Algorithm