Computer Algorithm will determine grouping of names on 9/11 Memorial

This year marks the tenth anniversary of 9/11, and there is a memorial planned to be unveiled on September 11th of this year. Like most memorials, such as the Vietnam War memorial, this one will
be a list of names. These particular names will not be in alphabetical
or chronological order, but will be grouped by affinity.

In other words, the police officers will be grouped with other police