15. The system of claim 14 , wherein the computer system is further programmed to: initialize an input FST based on the first token and the semantic structure; and compose the input FST based on the first FST path and the second FST path, wherein the first FST path and the second FST path are integrated with the input FST, and wherein the first FST is selected from the input FST.
15. The system of claim 14 , wherein the computer system is further programmed to: initialize an input FST based on the first token and the semantic structure; and compose the input FST based on the first FST path and the second FST path, wherein the first FST path and the second FST path are integrated with the input FST, and wherein the first FST is selected from the input FST. 17. The system of claim 15 , wherein to compare the plurality of domain tokens with the first input token, the computer system is further programmed to: perform fuzzy or exact matching between the plurality of domain tokens from the information domain and the first token, wherein the plurality of domain tokens comprises fuzzy or exact matches to the first token.