1 Introduction  
1.1 Research Gap and Related Surveys  
1.2 Research Method and Contributions  
1.3 Key Insights – What Will the Reader Learn?  

2 Background  
2.1 Field Programmable Gate Arrays  
2.2 Non-Relational Database Systems (NRDS)  
2.3 Summary – NRDS on Reprogrammable Hardware  

3 Literature Review  
3.1 Processing of Selected Literature – NRDS Classes and Trends  
3.2 Literature Summaries  

4 FPGA-Accelerated NRDS  
4.1 Accelerator Task  
4.2 Accelerator Placement  
4.3 Accelerator Design  
4.5 Discussion – Insights  

5 Open Research Challenges  

6 Summary