AA Bertossi,
CM Pinotti, RB Tan - IEEE Transactions on …, 2003 - ieeexplore.ieee.org
Given an integer/spl sigma/> 1, a vector (/spl delta//sub 1/,/spl delta//sub 2/,...,/spl
delta//sub/spl sigma/-1/), of nonnegative integers, and an undirected graph G=(V, E), an L …