In Web-based environments, a site has the ability to recommend multiple items to a customer in each interaction. Traditionally, rules used to make recommendations either have single items in their consequents or have conjunctions of items in their consequents. Such rules may be of limited use...

Business analytics has evolved from being a novelty used by a select few to an accepted facet of conducting business. Recommender systems form a critical component of the business analytics toolkit and, by enabling firms to effectively target customers with products and services, are helping...