The most common selection problem is recommending the best product from a group of related products based on a customer's needs, requests, budget, etc. Exsys Selector RuleBook is ideal for Product Selection problems, but it can also be used for many other situations that call for selecting items based on multiple competing factors with probabilistic rankings. This includes:

However, all of these are conceptually the same as "product selection", though the "product" may be an identification, action, item of content or diagnosis.