3. The computer-implemented method of claim 1 , further comprising: processing the plurality of news collections for events that the objects respectively described by the plurality of news collections are involved in, wherein measuring the relevance of each of the plurality of news collections with respect to the objects respectively described by the plurality of news collections includes determining whether the events associated with the objects are pertinent based on object-types of the objects.
3. The computer-implemented method of claim 1 , further comprising: processing the plurality of news collections for events that the objects respectively described by the plurality of news collections are involved in, wherein measuring the relevance of each of the plurality of news collections with respect to the objects respectively described by the plurality of news collections includes determining whether the events associated with the objects are pertinent based on object-types of the objects. 4. The computer-implemented method of claim 3 , further comprising: determining the object-types for the objects; and determining a list of pertinent events for each of the object-types, wherein determining whether the events associated with the objects are pertinent based on the object-types of the objects includes determining, for each of the events in the plurality of news collections, the object involved in that event, an object-type for the object, and whether that event is included the list of pertinent events for the object-type.