Here is an excerpt from Alberta's healthcare website:
An eligible resident of Alberta is a person who is:
Legally entitled to be or to remain in Canada and makes his/her permanent home in Alberta;
Committed to being physically present in Alberta for at least 183 days in a 12 month period
Not claiming residency or obtaining benefits under a claim of residency in another province, territory or country;
Any other person deemed by the regulations to be a resident not including a tourist, transient or visitor to Alberta.