1. A method comprising: identifying a surface form of a named entity in a text, wherein the surface form is associated in a surface form reference with one or more reference named entities, and each of the reference named entities is associated in a named entity reference with one or more entity indicators; evaluating one or more measures of correlation among one or more of the entity indicators, and the text; identifying one of the reference named entities for which the associated entity indicators have a relatively high correlation to the text; and providing a disambiguation output that indicates the identified reference named entity to be associated with the surface form of the named entity in the text.