Indexed documents are arranged in the index according to a static ranking
and partitioned according to static ranking. Index queries reference the
first partition and move to a subsequent partition when a static rank for
the subsequent partition is higher than a weighted portion of the target
score added to a weighted portion of a dynamic rank corresponding to the
relevance of the results set generated thus far. By changing the weight
of the target score and dynamic ranks in the subsequent partition score,
searches can be stopped when no more relevant results will be found in
the next partition.