Human search engine

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A human search engine is a search engine that uses human participation to filter the search results and assist users in clarifying their search request. The goal is to provide users with a limited number of relevant results, as opposed to traditional search engines that often return a large number of results that may or may not be relevant.

Examples of human search engines include ApexKB, ChaCha, and the now defunct NowNow (from and Sproose.

See also[edit]


  • ""Human-Powered" Search Engine ChaCha Gets $10 Million — Digital Media Wire". Archived from the original on 2008-10-12. Retrieved 2008-01-01.
  • "Wikipedia to launch human search engine - Editors Weblog". Retrieved 2007-10-11.
  • "hengine: The Human Search Engine - hengine". Retrieved 2009-06-11.
  • "DMOZ - ODP". Retrieved 2009-06-11.