Method and mechanism for data screening

摘要: The present invention is directed to a method and mechanism selectively evaluate data items search queries for privacy violations. According an embodiment of the invention, attributes item are identified quantified its potential violate interests. Search can be evaluated before accessing records according embodiment, which improves operating efficiency provides additional protections. query evaluation determines whether disallow or withhold result if individual small group individuals by results variables revealed will policies. Also, enables provider information systematically selectivity visibility that analyzed allow set thresholds different combinations attributes. This allows implementation policies, may vary based on database, attributes, and/or source query.