Extend the “original slides” to around 27 slides. The original slides have already shown the ideas of the presentation. You should read other papers or textbooks to add things like the details, procedures, methods, examples and algorithms of deriving/generating the data from/for the real world, preventing projects benchmarked from taking shortcuts and do cheatings, and how database benchmarks pick, choose, vary and change the variables/parameters. You can describe the details, contents or examples directly or use them to explain the existing content . You can refer to the papers in slide 13 or relevant slides. You can follow the art style of the slides template or modify a little .