Google Not The Leader In Enterprise Search

Google is synonymous with "search," everyone knows that, some people hate it and some people love it. An Investors Business Daily article reviews enterprise search and Google's role in that niche. The article explains "enterprise search is a different animal from Web search," that linkage data is not "aren't ideal for helping people find specific data on large private networks." So who are the other players the article mentions? Autonomy, Fast Search & Transfer, IBM's OmniFind, Endeca, and upcoming rival Oracle's Secure Enterprise Search 10g.