Table 3.

Key terminology for the scoping review’s natural language processing search toolkit.

Category	Criteria	Keywords
Ambient assisted living	Mandatory	Ambient assisted living, ambient-assisted living, assisted living, active and assisted living, and active-assisted living
Artificial intelligence class	Mandatory	Supervised learning, unsupervised learning, semi-supervised learning, and reinforcement learning
Artificial intelligence model	Mandatory	Classification, regression, clustering, dimensionality reduction, association rule learning, instance-based learning, regularization learning, decision tree learning, Bayesian learning, ANN, DL, ensemble learning, and natural language processing
Domain	Optional	Activity recognition, health monitoring, activity assistance, rehabilitation, therapy, interaction, communication, and entertainment
Technology	Optional	Mobile technology, mobile device, smartphone, tablet, touch-screen, wearable technology, wearable device, robot, robotic device, ambient sensing, ambient sensors, game, gamification, conversational agent, chatbot, virtual assistant, and virtual companion
Beneficiaries	Optional	Older adults, frail persons, patients, healthcare staff, caregivers, and family
Concerns	Optional	Acceptance, adoption, availability, accessibility, privacy, usability, reliability, safety, and security