A good place to begin is in a general reference database. For example, a search on "artificial intelligence" in Gale eBooks will bring back results from specialized encyclopedias such as The Encyclopedia of Science.
If you are not finding what you need, please ask us.
Depending on your topic, some databases will be more helpful than others. Try the databases suggested above. If you cannot find what you are looking for, please ask us. We can guide you to the appropriate content for your assignment.