1. A computer-implemented method of linking a collection of concepts to a collection of categories of content in an intelligent services engine, the method comprising: identifying at least one concept within the collection of concepts, wherein the at least one concept comprises a top-level word of a hierarchical set of related words; retrieving the collection of categories of content, wherein each category of content represents a general type of information offered by a content service; identifying, by a computing device, a logical relationship between the top-level word of the at least one concept and at least one category of the collection of categories of content; and based on the identified logical relationship, creating a mapping relationship between the at least one concept of the collection of concepts and the at least one category of the collection of categories of content.