Tracking objects robot for healthcare environments

There are many elder who are affected from Alzheimer's disease. Memory problems, confusion and forgetting objects, recent conversations or places are example of Alzheimer symptoms. Nursing home needs medical devices or robot to provide service for patients. Tracking Objects Robot traces and locates objects for the Alzheimer's patients to find objects in environment. This paper uses frequency and recency technique in order to locate the location of objects in dynamic environment by associating semantic knowledge of object with instance in ontology