Document management system has search system with hierarchical thesaurus whose term hierarchy is based on hierarchical structure of documented technical plant

摘要

The system has a data processing device with access to a database of stored documents and a search system for locating documents using search terms. The search system has a hierarchical thesaurus whose term hierarchy is based on the hierarchical structure of the technical plant and whose technical search terms are each associated with synonymous terms. AN Independent claim is also included for the following: a method of locating documents stored in a document management system.