where is the server; is the number
of local descriptors Star Student Project that come from and
are distributed into Subsequently, the cost of a given distribution
Star Student Project is the sum of the costs to distribute each
into its corresponding servers, Star Student Project which is
measured by their divergence to reveal its summarized Star
Student Project load imbalance. For each , we expect Star
Student Project as small as possible. Ideally, a uniform
distribution has Star Student Project which results in Note
that we use Star Student Project operator to punish the
distribution that leads to a high load imbalance, which Star
Student Project hinders the efficient search based on inverted
indexing files.