35. The system of claim 31 , the operations further comprising: identifying resources that include one or more references to entities of the first entity type; and annotating each of the identified resources with an annotation in an index database to indicate that the resource includes one or more references to entities of the first entity type.
35. The system of claim 31 , the operations further comprising: identifying resources that include one or more references to entities of the first entity type; and annotating each of the identified resources with an annotation in an index database to indicate that the resource includes one or more references to entities of the first entity type. 36. The system of claim 35 , wherein selecting the names of entities based on the identified occurrences comprises: selecting names of entities of the first type that occur most frequently in the same search result resource.