1. A method in a computing system for improving the relevance of search results retrieved from a keyword-based search engine, comprising: receiving an indication of a designated entity; determining whether the designated entity should be enhanced with an entity-specific enhancement and/or a facet-specific enhancement; using one or more query enhancers of the computing system, selected based upon the determination of whether the designated entity is to be enhanced with the entity-specific enhancement and/or the facet-specific enhancement, automatically adding one or more entity-specific queries and/or one or more facet-specific queries to generate an enhanced query strategy, wherein at least one of the enhancements is based upon one or more facets associated with the designated entity; and forwarding the automatically generated query strategy to the keyword-based search engine to generate on-topic information related to the designated entity.