Methods and systems are provided for processing a graphical artifact. In one embodiment, a method includes: receiving, by a processor, a graphical artifact having at least one unknown graphical element; determining, by the processor, graphical features of the unknown graphical element; computing, by the processor, a plurality of similarity scores based on the features of the unknown graphical element and features of a plurality of known graphical elements; and storing data associated with the unknown graphical element with data associated with a known graphical element based on the plurality of similarity scores.