Context-Aware Machine Learning and Mobile Data Analytics: Automated Rule-based Services with Intelligent Decision-Making
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1 Introduction to Context-Aware Machine Learning and Mobile Data
Analytics
1.1 Introduction1.2 Context-Aware Machine Learning
1.3 Mobile Data Analytics
1.4 An Overview of this Book
1.5 Conclusion
References
2 Application Scenarios and Basic Structure for Context-Aware
Machine Learning Framework
2.1 Motivational Examples with Application Scenarios
2.2 Structure and Elements of Context-Aware Machine Learning
Framework
2.2.1 Contextual Data Acquisition
2.2.2 Context Discretization
2.2.3 Contextual Rule Discovery2.2.4 Dynamic Updating and Management of Rules
2.3 Conclusion
References
3 A Literature Review on Context-Aware Machine Learning and
Mobile Data Analytics
3.1 Contextual Information
3.1.1 Definitions of Contexts
3.1.2 Understanding the Relevancy of Contexts
3.2 Context Discretization
3.2.1 Discretization of Time-Series Data3.2.2 Static Segmentation
vii
viii Contents
3.2.3 Dynamic Segmentation
3.3 Rule Discovery
3.3.1 Association Rule Mining
3.3.2 Classification Rules3.4 Incremental Learning and Updating
3.5 Identifying the Scope of Research
3.6 Conclusion
References
Part II Context-Aware Rule Learning and Management
4 Contextual Mobile Datasets, Pre-processing and Feature Selection
4.1 Smart Mobile Phone Data and Associated Contexts
4.1.1 Phone Call Log
4.1.2 Mobile SMS Log
4.1.3 Smartphone App Usage Log4.1.4 Mobile Phone Notification Log
4.1.5 Web or Navigation Log
4.1.6 Game Log
4.1.7 Smartphone Life Log
4.1.8 Dataset Summary
4.2 Examples of Contextual Mobile Phone Data
4.2.1 Time-Series Mobile Phone Data4.2.2 Mobile phone data with multi-dimensional contexts
4.2.3 Contextual Apps Usage Data
4.3 Data Preprocessing
4.3.1 Data Cleaning
4.3.2 Data Integration
4.3.3 Data Transformation
4.3.4 Data Reduction4.4 Dimensionality Reduction
4.4.1 Feature Selection
4.4.2 Feature Extraction
4.4.3 Dimensionality Reduction Algorithms
4.5 Conclusion
References
5 Discretization of Time-Series Behavioral Data and Rule Generation
based on Temporal Context
5.1 Introduction
5.2 Requirements Analysis5.3 Time-series Segmentation Approach
5.3.1 Approach Overview
5.3.2 Initial Time Slices Generation
5.3.3 Behavior-Oriented Segments Generation
Contents ix
5.3.4 Selection of Optimal Segmentation
5.3.5 Temporal Behavior Rule Generation using Time Segments5.4 Effectiveness Comparison
5.5 Conclusion
References
6 Discovering User Behavioral Rules based on Multi-dimensional
Contexts
6.1 Introduction
6.2 Multi-dimensional Contexts in User Behavioral Rules
6.3 Requirements Analysis
6.4 Rule Mining Methodology
6.4.1 Identifying the Precedence of Context6.4.2 Designing Association Generation Tree
6.4.3 Extracting Non-Redundant Behavioral Association Rules
6.5 Experimental Analysis6.5.1 Effect on the Number of Produced Rules
6.5.2 Effect of Confidence Preference the Predicted Accuracy
6.5.3 Effectiveness Comparison
6.6 Conclusion
References
7 Recency-based Updating and Dynamic Management of Contextual
Rules
7.1 Introduction
7.2 Requirements Analysis
7.3 An Example of Recent Data7.4 Identifying Optimal Period of Recent Log Data
7.4.1 Data Splitting
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