| http://www.w3.org/ns/prov#value | - Search engines have improved on this situation by using human editors and indexers to identify, classify, and rank web sites and pages, such as Magellan.com, or Savvysearch.com for example. [0019] Search engine portal sites have sometimes improved their ranking control by providing extensive subject directories for users to select from, narrowing user search space to the sites indexed to fit into
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