When former U.S. Senator Rick Santorum started gearing up to launch his presidential campaign earlier this year, there was one question he could not avoid. It had to do with the matter of alt-weekly editor and advice columnist Dan Savage, who has for years positioned himself as Santorum’s most prominent critic. Many politicians have fierce opponents, but few did what Savage did in 2003, and that was hold a contest to give an alternate meaning to the word “santorum”. I hope you’ll forgive me for declining to quote the winning definition, but you can find it here, and suffice to say that it has stuck. So much so, in fact, that eight years later Savage’s term has come to dominate the web search results for Rick Santorum’s name.
A reconciliation service is a web service that, given some text which is a name or label for something, and optionally some additional details, returns a ranked list of potential entities matching the criteria. The candidate text does not have to match each entity's official name perfectly, and that's the whole point of reconciliation--to get from ambiguous text name to precisely identified entities. For instance, given the text "apple", a reconciliation service probably should return the Apple Inc. company, the apple fruit, and New York city (also known as the Big Apple).
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