Collaborative Filtering (CF) Recommendation Systems

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Table of contents

1. Introduction
1.1 Meven
1.2 Motivation
1.3 Contribution
1.4 Outline
2 Related Work
2.1 Social Network Systems
2.2 Recommendation System
2.3 Content based recommendation systems
2.4 Collaborative Filtering (CF) Recommendation Systems
2.4.1 Memory-based CF
2.4.2 Model-based CF
2.4.3 User-based CF
2.4.4 Item-based CF
2.4.5 Hybrid CF
2.4.6 Limitation of CF
2.5 Social networks and enterprise recommendation recommender systems
2.5.1 Enterprise recommendation solution
2.5.2 Comparison between existing enterprise solutions
2.6 Trust and privacy in enterprise recommendation systems
3 Meven: An Enterprise Credibility Aware Recommender
3.1 System Specification
3.2 Functional flow of Meven
3.3 Implicit Trust
3.4 Explicit Trust
3.5 Privacy Protocol
3.6 Adapters
3.6.1 Organization Adapter
3.6.2 Regional Adapter
3.6.3 Friends-Of-Friend Adapter
3.7 Correlation functions
3.7.1 Interest Correlation Function (Pattern Matching)
3.7.2 Skills Correlation Function (Tag comparison)
3.7.3 Membership Correlation Function (Relational Pattern Matching)
3.7.4 Friends Correlation Function (Shared friends; Pattern Matching)
3.7.5 Blog Correlation Function
3.8 Explanation Module
4 Design and Implementation
4.1 System Architecture
4.2 Software Design
4.2.1 Implementation Schema (Class diagrams)
4.3 Execution (Flow diagrams)
4.4 Data Base Design and Schema
4.5 System Implementation (tools and applications)
4.6 Screenshot of Meven
5 Evaluation
5.1 Setup (Dataset)
5.2 Accuracy Tests
5.2.1 Cold –Start Accuracy
5.2.2 Normal Flow Accuracy (When Users has friends in the system)
5.3 Caching and Response Time Evaluation
5.4 Influence of Privacy metrics
5.4.1 Test 1 Influence of Hidden Users on recommendations
5.4.2 Test 2 Influence of Explicit Trust on Recommendations
5.5 Trust Related Evaluation
5.5.1 Test # 1 Average Trust based on Correlation Functions
5.5.2 Test # 2 Average Trust (cold-start) Vs Average Trust (normal flow)
5.6 Frequency Distribution of Implicit Trust (Dynamic)
5.7 Frequency Distribution of Recommendation with Explicit Trust (Static)
6 Future Works
7 Conclusion
8 Bibliography
9 Appendix A
9.1 WSDL
9.2 Messages
9.3 Get Recommendation Service Request
9.4 Get Recommendation Service Response
9.5 Clear Meven Cache Request
9.6 Clear Meven Cache Response