| 致谢 Acknowledgements | 第5-6页 |
| 摘要 | 第6-10页 |
| ABSTRACT | 第10-11页 |
| CHAPTER 1: INTRODUCTION | 第16-22页 |
| 1.1 Background | 第16-17页 |
| 1.2 Current research status | 第17-18页 |
| 1.3 Major challenges | 第18-20页 |
| 1.4 Research contribution | 第20-21页 |
| 1.5 Organization of this Thesis | 第21-22页 |
| CHAPTER 2: PRELIMINARIES AND RELATED WORKS | 第22-42页 |
| 2.1 Recommender Systems Approach | 第22-38页 |
| 2.1.1 Content-based Approaches | 第23-24页 |
| 2.1.2 Collaborative filtering Approaches | 第24-35页 |
| 2.1.2.1 Memory-based or Neighborhood-based Recommender Systems | 第25-28页 |
| 2.1.2.2 Components of memory-based method | 第28-32页 |
| 2.1.2.3 Model-based Recommender Systems | 第32-35页 |
| 2.1.2.4 Advantages of collaborative filtering | 第35页 |
| 2.1.2.5 Weaknesses of collaborative filtering | 第35页 |
| 2.1.3 Knowledge-based Approaches | 第35-37页 |
| 2.1.3.1 Constraint-based Recommender Systems | 第36-37页 |
| 2.1.3.2 Case-based Recommender Systems | 第37页 |
| 2.1.4 Hybrid Approaches | 第37-38页 |
| 2.2 Related Works | 第38-42页 |
| 2.2.1 Singular rating CF based Recommender Systems | 第38-40页 |
| 2.2.2 Distributed Collaborative filtering based Recommender Systems | 第40-42页 |
| CHAPTER 3: PROPOSED WORK | 第42-51页 |
| 3.1 Motivation | 第42-43页 |
| 3.2 Problem Definition and Notation | 第43页 |
| 3.3 Proposed Solution (ESCF: Enhanced Singular Collaborative Filtering) | 第43-51页 |
| 3.3.1 SingCF (Singular Collaborative Filtering) | 第43-44页 |
| 3.3.2 ESCF (Enhanced Singular Collaborative Filtering) | 第44-46页 |
| 3.3.3 The steps of the proposed method | 第46-50页 |
| 3.3.4 Complexity and scalability of ESCF | 第50-51页 |
| CHAPTER 4: RESEARCH METHODOLOGY AND EXPERIMENTAL RESULTS | 第51-61页 |
| 4.1 Methodology | 第51-55页 |
| 4.1.1 Experiment Platform | 第51-53页 |
| 4.1.1.1 Apache Spark | 第51-53页 |
| 4.1.2 Experiment Dataset | 第53-54页 |
| 4.1.3 Experimental setup | 第54页 |
| 4.1.4 Evaluation Metrics | 第54-55页 |
| 4.2 Experimental Results | 第55-58页 |
| 4.3 Experimental Analysis | 第58-59页 |
| 4.4 Performance on cold start condition | 第59-61页 |
| CHAPTER 5: CONCLUSION AND FUTURE WORKS | 第61-64页 |
| 5.1 Conclusion | 第61-62页 |
| 5.2 Future Works | 第62-64页 |
| 参考文献References | 第64-68页 |
| Author Profile and Research Achievements Obtained during the Study for A Master's/Doctoral Degree | 第68-70页 |
| Dataset for the Master's Thesis | 第70-71页 |
