1. Trustworthiness in Human Computation  
Rise of Human Computation  
Toward Trustworthy Human Computation  
Existing Surveys and Reviews  
Structure of This Survey  

2. Trustworthy Human Computation Systems  
2.1 Reliability  
2.2 Availability  
2.3 Serviceability  

3. Social Trust of Human Computation  

4. Collaborative Human Computation  

5. Challenges and Open Questions  

6. Conclusion