Human Centered Computing: 7th International Conference, HCC 2021, Virtual Event, December 9–11, 2021, Revised Selected Papers

Preface
Organization
Contents
Algorithms
A Fast Shortest Path Searching Method Based on A* and Simulated Annealing
	1 Introduction
	2 A* and Simulated Annealing
		2.1 A*
		2.2 Simulated Annealing
	3 A* SA
	4 Experiments
		4.1 The Influence of C on A* SA
		4.2 Comparison of A* SA with A* and EPEA*
	5 Conclusion
	References
A Combining Forecasting Method Based on Seasonal Unit Root Test and Support Vector Regression
	1 Introduction
	2 Seasonal Time Series Forecasting Method
		2.1 Data Pre-processing
		2.2 SVR Parameters Optimization Based on GA with Real-Integer Hybrid Encoding
		2.3 DHF-SVR Forecasting Model
	3 Experimental Validation and Forecasting Performance Evaluation
	4 Conclusion
	References
Adaptive ICP Registration Algorithm Based on the Neighborhood of SIFT Feature Points
	1 Introduction
	2 Related Work
	3 Proposed Method
		3.1 Coarse Registration Based on SIFT Feature Points
		3.2 Matching Strategy Based on the Neighborhood of SIFT Feature Points
		3.3 Dynamically Eliminate Mismatched Point Pairs
		3.4 Design of Objective Function with Adaptive Weights
	4 Experimental Results and Analysis
	5 Conclusion
	References
A PSO Based Multi-view Hierarchical Clustering Method
	1 Introduction
	2 PSO and Tree Rearrangements
		2.1 PSO
		2.2 Tree Rearrangements
	3 The MVHCPSO Method
		3.1 Fitness Function
		3.2 Velocity Update
		3.3 State Update
		3.4 Termination Conditions
		3.5 The Pseudocode and Time Complexity of MVHCPSO
	4 Experiments
		4.1 Test on Simulated Data Sets
		4.2 Test on Real Data Sets
	5 Conclusion
	References
GCN-ARIMA Based Sales Demand Prediction
	1 Introduction
	2 GCN-ARIMA Model Description
		2.1 Graph Convolutional Network
		2.2 Autoregressive Integrated Moving Average
		2.3 GCN-ARIMA Model
	3 Data and Result Analysis
		3.1 Original Dataset
		3.2 Input Data Pre-processing
		3.3 Evaluation of the Result
	4 Conclusion
	References
Dynamic Adjustment of the Learning Rate Using Gradient
	1 Introduction
	2 Gradient Methods in Deep Learning
	3 CSBS Algorithm
	4 Experience and Result Analysis
		4.1 Experimental Setup
		4.2 Compare with Other Algorithm
		4.3 Different Learning Rate Experiment
	5 Conclusion
	References
Data and Analytics
Predicting Personalities of Ancient Chinese Emperors Based on Relational Knowledge Transfer Model
	1 Introduction
	2 Related Work
	3 The Relational Knowledge Transfer Model (RKT)
	4 Results
	5 Conclusion
	References
Visualization of Convolutional Neural Networks with Attention Mechanism
	1 Introduction
	2 Background
		2.1 Efficient Channel Attention for Deep Convolutional Neural Networks
		2.2 Visualization Method
	3 Datasets
		3.1 Three Public Datasets
		3.2 Data Preprocessing
	4 Experiment
		4.1 CNN Classification Model
		4.2 CNN and ECA Classification Model
		4.3 Visual Instance
	5 Conclusion
	References
Course Recommendation System Based on SSM Framework
	1 Introduction
	2 Related Work and Techniques
		2.1 SSM Framework
		2.2 Collaborative Filtering Recommendation
		2.3 Social Relationship Recommendation
	3 Introduction of the System
		3.1 System Framework
		3.2 Hybrid Recommendation Algorithm
	4 System Implementation
	5 Experiment and Result Analysis
		5.1 Data Set
		5.2 Evaluation Indicators
		5.3 Experimental Results and Analysis
	6 Conclusions
	References
Using Entropy for Trust Measure in Collaborative Filtering
	1 Introduction
	2 Related Research
	3 Proposed Trust Measure
		3.1 User Entropy
		3.2 Comprehensive Trust Calculation
		3.3 Calculating Predicted Rating
	4 Experiment
		4.1 Data Set
		4.2 Experiment Design
		4.3 Experiment Result
	5 Conclusion
	References
A Pedestrian Detection Method Based on Improved ResNet for Container Terminal
	1 Preface
	2 ResNet Network
	3 Improved Pedestrian Detection Model for ResNet
		3.1 Improved ResNet Network
		3.2 Multi-scale Integration
		3.3 Loss Function
	4 Experiment
		4.1 Experimental Environment and Data Set Introduction
		4.2 Pedestrian Detection Result
		4.3 Analysis and Comparison of Experimental Results
	5 Conclusion
	References
Detection of Advertising Users Based on K-SMOTE and Ensemble Learning
	1 Introduction
	2 Related Work
	3 Datasets and Features
		3.1 Dataset of Scholat
		3.2 Feature Analysis and Extraction
	4 Proposed Model
		4.1 K-SMOTE Algorithm
		4.2 Combined with Ensemble Learning
	5 Experiment
		5.1 Datasets
		5.2 Evaluation Indicators
		5.3 Experiment Settings
		5.4 Experimental Results and Analysis
	6 Conclusion
	References
Quantitative Relationship Between Achievement Motivation and Game Behavior Based on Structural Equation Model
	1 Introduction
	2 Literature Review
	3 Data Acquisition and Preprocessing
	4 Econometric Analysis
	5 Conclusions
	References
Dictionary-Based Classical Chinese Word Segmentation and Its Application on Imperial Edicts of Jin Dynasties
	1 Introduction
	2 Methods
		2.1 Data Collection
		2.2 Data Processing
		2.3 Data Analysis
	3 Results
	4 Conclusions
	References
Visualization Analysis of Hot Event Propagation Topic Map
	1 Introduction
	2 Related Research
	3 Problem Analysis and Model Construction
	4 Visualization Analysis of Hot Event Based on the Topic Map
		4.1 Data Collection and Preprocessing
		4.2 Analysis of Hot Event Propagation Based on User Influence
		4.3 Analysis of Public Opinion Propagation Node
	5 Conclusion
	References
Communication
Pilot Reuse Joint Partial APs in Cell-Free Massive MIMO System
	1 Introduction
	2 System Model and Spectral Efficiency
		2.1 Channel Estimation
		2.2 Uplink Data Transmission and Spectral Efficiency
		2.3 Partial AP Selected MMSE Combining (PAS-MMSE)
	3 Pilot Resource Allocation for Cell-free System
	4 Simulation and Numerical Analysis
	5 Conclusions
	References
Multi-task Allocation Under Multiple Constraints in Mobile Crowdsensing
	1 Introduction
	2 Related Work
	3 Problem Definition
	4 MTA Framework and NMTA Framework
		4.1 MTA Framework
		4.2 NMTA Framework
	5 Simulation Experiment and Analysis
		5.1 The Impact of Changes in the Number of Users on Algorithm Performance
		5.2 The Impact of Changes in the Number of Tasks on Algorithm Performance
	6 Conclusion
	References
Optimization of Kalman Filter Indoor Positioning Method Fusing WiFi and PDR
	1 Kalman Filtered Indoor Localization Method by Fusing WiFi and PDR
		1.1 WiFi Technology
		1.2 PDR Positioning Technology
		1.3 Extended Kalman Filtering Indoor Positioning Algorithm
	2 Experiments and Results
		2.1 Experimental Environment and Operation
		2.2 Data Acquisition and Processing
		2.3 Analysis of Results
	3 Conclusion
	References
Constructing an UAV Network with Relative Positioning
	1 Introduction
	2 Related Work
	3 The Proposed Approach
		3.1 Problem Definition
		3.2 Assumptions
		3.3 The Proposed Scheme
	4 Experimental Analysis
		4.1 Coverage Performance
		4.2 Robustness
		4.3 Load balance
	5 Conclusion
	References
Resource Allocation for Multi-service NOMA System Based on Deep Reinforcement Learning*-4pt
	1 Intoduction
	2 System Model and Problem Formulation
		2.1 System Model
		2.2 Problem Formulation
	3 Resource Allocation Based on Deep Reinforcement Learning
	4 Simulation Results and Analysis
		4.1 Simulation Results
		4.2 Advantages and Disadvantages
	5 Conclusion
	References
5G Resource Sharing Scheme and Consensus Algorithm Based on Blockchain
	1 Introduction
	2 Related Work
	3 System Architecture
		3.1 Stake Calculation
		3.2 BFT-PoS Consensus Process
		3.3 Consensus Efficiency Analysis
	4 Simulation
	5 Conclusion
	References
5G Message Log Credit Management and Verification System Based on Blockchain
	1 Introduction
		1.1 Background
		1.2 Related Work
		1.3 Paper Work
	2 5G Message Log Credit Management and Verification System
		2.1 System Architecture
		2.2 Index
		2.3 Credit Process Model
		2.4 Integrity Verification
		2.5 Energy Consumption Model
	3 System Experimental Analysis
		3.1 Safety Analysis
		3.2 Performance Analysis
		3.3 Cost Analysis
	4 Conclusion
	References
A Graph-Based Service Composition Method for Science and Technology Resources
	1 Introduction
	2 Graph Planning Algorithm
	3 Graph-Based Service Composition Problem Modeling
	4 Service Diagram
	5 Service Planning Diagram
	6 Conclusion
	References
Smart City
Optimization of Energy Transaction Strategy Between Microgrids Based on MADDPG
	1 Introduction
	2 System Model and Problem Definition
		2.1 Trading Model
		2.2 Storage Model
		2.3 Transmission Model
		2.4 Energy Balance Model
		2.5 Utility Model
	3 Proposed Solution
		3.1 DRL Model for Multi-agent Game
		3.2 Multi-agent DDPG Algorithm
	4 Simulation Results
	5 Conclusions
	References
Research on the Elements of Future Holographic Scene Design Based on Card Sorting-Fuzzy Comprehensive Evaluation Method
	1 Introduction
	2 Related Work
		2.1 Holographic Scene Design
		2.2 Extraction and Rating of Holographic Scene Design Elements
	3 Holographic Scene Design Element Extraction and Rating Method
		3.1 Holographic Scene Design
		3.2 The Important Grade Evaluation of Design Elements Based on Fuzzy Comprehensive Evaluation Method
	4 Research Experiment and Results of Holographic Scene Design Elements
		4.1 A Set of Future Holographic Scene Design Elements
		4.2 Rating Evaluation of Future Holographic Scene Design Elements
		4.3 Comprehensive Weight of Holographic Scene Design Elements
	5 Conclusion
	References
Fault Diagnosis Method of Automatic Sorter Equipment Based on Association Rules
	1 Preface
	2 Failure Data Analysis of Automatic Sorter Equipment
		2.1 Automatic Sorter Equipment
		2.2 Description of Failure of Automatic Sorter Equipment
	3 Fault Feature Extraction of Text Data
		3.1 Word Segmentation and Text Preprocessing
		3.2 TF-IDF Algorithm
	4 Fault Diagnosis Based on Association Rules
		4.1 Apriori Algorithm
		4.2 Improved Apriori Algorithm
	5 Test Verification and Result Analysis
		5.1 Algorithm Comparison
		5.2 Fault Diagnosis Application and Analysis
	6 Concluding Remarks
	References
Innovation Framework for Green Ports
	1 Introduction
		1.1 Green Ports
		1.2 Concepts Related to Green Innovation of Port Enterprises
	2 Green Innovation Methods
		2.1 Oil to Electricity
		2.2 Oil to Gas
		2.3 Ships Rely on Electricity
		2.4 Summary of Green Innovation
	References
Author Index