| USEFIL | Unobtrusive Smart Environments For Independent Living |
| CASAS | Center for Advanced Studies in Adaptive Systems |
| ADL | Activity Daily Living |
| BADL | Basic Activity Daily Living |
| IADL | Instrumental Activity Daily Living |
| ADL-Disease | Activity Daily Living-Disease |
| ADL-Gastrointestinal | Activity Daily Living-Gastrointestinal |