1 INTRODUCTION

2 DEFINITION AND TAXONOMY  
2.1 Definition of Robustness in Recommender System  
2.2 Taxonomy of Robustness in Recommender System  

3 ROBUSTNESS AGAINST MALICIOUS ATTACK  

4 ROBUSTNESS AGAINST NATURAL NOISE  

5 EVALUATION  

6 ROBUSTNESS IN VARIOUS RECOMMENDATION SCENARIOS  

7 RELATIONSHIP WITH OTHER TRUSTWORTHY PROPERTIES  

8 OPEN ISSUES AND FUTURE DIRECTIONS  

9 CONCLUSION