1. A computer system comprising at least one processor configured to transform a lexicon network, the lexicon network comprising a set of nodes and a set of edges, wherein each node of the lexicon network comprises a gloss of a lexicon entry of a natural language; each edge of the lexicon network comprises a direction and a weight, the weight indicative of a semantic importance of each edge, compared to other edges of the lexicon network; and wherein transforming the lexicon network comprises assigning a first node of the lexicon network to a first level of a plurality of levels, the plurality of levels arranged in an ordered sequence, and wherein assigning the first node comprises selecting the first level from the plurality of levels according to a direction of a first edge of the lexicon network, the first edge connected to the first node, and further according to a weight of the first edge.