Description:- Teoma uses their own proprietary ranking system, dubbed Subject-Specific PopularitySM that ranks a site based on the number of same-subject pages in other ranked sites that link to it, as opposed to the traditional rankings based on popularity or click throughs. A technology company, Teoma measures the authority as well as the popularity of web sites. It supplies other search engines with its results, namely Ask Jeeves, in addition to offering its own search engine.