The document describes a domain model that involves a search engine. The search engine takes key terms from a query term filter and generates a query string. It then sends the query string to a query formulator and web recommender to recommend a title and URL based on the search terms.

1. Domain Model 1 1 Sends-key-terms-to 1 1 1 1 generates 1 1 Takes Sends-terms-to 1 1 Takes Recommends title Page url SearchEngine searchEngine QueryTermFilter termString Query queryString QueryFormulator queryString WebRecommender