The present disclosure provides a computer-implemented method of processing a group of resource identifiers. The method includes generating a node candidate based on a resource identifier, wherein the node candidate includes a component corresponding to a portion of the resource identifier according to a dimension of specificity. The method also includes adding the lattice node candidate to a corpus lattice based on whether a matching corpus node corresponding to the node candidate is already included in the corpus lattice. The corpus lattice includes corpus nodes corresponding to a plurality of resource identifiers. The method also includes generating a pruned corpus lattice by a process that includes determining that a child node in the corpus lattice is compatible with a parent node of the child node and removing the child node from the corpus lattice. The method also includes generating an output file corresponding to the pruned URL lattice.