Vertical Search Engines
Vertical Search engines or specialized search engines are search engines which focus on one specific content category or topic segment. They can also be web directories where end users submit websites to be categorized in some type of hierarchical system within the particular category. Vertical search engines can also be dedicated to a specific function, as in the case of job search engines or a specific category, as in the case of a business search engine.
Examples of specialized search engines include BusinessRover.com in business, Kayak.com in travel and jobster.com for jobs.
