EBSCO Discovery Service brings together the most comprehensive collection of content, while providing users with the ease and simplicity that comes with delivering the top results on the first page. To keep pace with a continuously growing collection of content from publisher partnerships, our customers' catalogs and institutional repositories, as well as the rich metadata that comes with top subject indexes, EDS employs a multi-faceted relevance ranking methodology that is the foundation of our premier search and discovery platform.
Every record in EDS contains numerous fields that can assist the user in locating the information they seek. How a field is used by a search engine determines the relevance ranking, and thus how high on the search results, any given record appears for a search. With exact matches favored over partial matches, the most influential fields in EDS are:
Additional fields are employed for relative weighting, and these fields can change over time as we continually strive to improve our relevance scoring system.
Recognizing that the value of a record is not derived only from terms from the user, EDS takes into account certain attributes when determining the relevance. Specific attributes that are considered include: