Each search service on a Joomla site requires one (or more) Seach profile. A unique profile is needed for each search with characteristics,such as basic or advanced search.

Process for Installing com_esearch is basically a standard Joomla compoment installation.

Com_esearch requires a (helper) bot that provides Smarty templates to joomla compoments.  

Build real enterprise search in your Joomla site. Don’t limit your search to just page content or a Google or Yahoo! Search box. Deliver full search of up to 500,000 documents with the Esearch Joomla component powered by IBM Yahoo! OmniFind edition. (http://omnifind.ibm.yahoo.net/ )

Abstract:

 TnR Global Enterprise Search Component for Joomla driven by IBM Yahoo! OmniFind Edition is a standard Joomla component that can be installed into the Joomla open source content management system. The component (and a matching search module) provide the Joomla site with direct access to an OmniFind search system. The Joomla administrator can define the look of the search box and the search results using a standard Smarty template. The OmniFind enterprise search can be placed on any server the Joomla system can reach, allowing it to be behind a corporate firewall.

The component is designed to provide enterprise search for your Intranet or Extranet, as well as corporate information to clients on your public web site. All content collections that you want to make available can now be published with the full power of IBM enterprise search.