Like IoTdb but has no opinion on experiments
IoT.db4/
├── Dev1/
│   ├── Measurements (basically raw data)/
│   │   ├── m1/
│   │   │   └── ....
│   │   └── m2/
│   │       └── ....
│   └── Cleaned?/Features extracted?/Merged?/
│       └── -- Where to put clean data?
├── Dev2/
│   └── Measurements/
│       └── ...
└── Algos/Scripts?/
    └── ..