4. The FDI server as defined in claim 1 , wherein the user search profile includes a user preference for one or more types of search results.
1. A field device integration (FDI) server to provide a search service to users of a process control system, the FDI server comprising: a search database to store a set of searchable items associated with a plurality of field devices of the process control system and to store a user search profile associated with a selected query result; a publisher implemented via a processor, the publisher to collect information associated with the searchable items from the process control system and to publish the collected information to the search database; and a searcher implemented via a processor, the searcher to: receive a search request including the user search profile and a search query of the searchable items in the search database; request an update service from the publisher in response to receiving the search request, the publisher to collect updated information associated with the searchable items from the process control system in response to the request for the update service and to publish the updated collected information to the search database; modify the search query based on the user search profile; search the searchable items based on the modified search query; filter results of the search based on a filter condition included in the user search profile; and return at least a portion of the collected information and the updated collected information based on the user search profile and the filter condition.