23. The computer-readable storage medium of claim 21 , wherein the orthographic vector space comprises the vector representation of the out-of-vocabulary word and orthographic anchors correspond to in-vocabulary words.
23. The computer-readable storage medium of claim 21 , wherein the orthographic vector space comprises the vector representation of the out-of-vocabulary word and orthographic anchors correspond to in-vocabulary words. 24. The computer-readable storage medium of claim 23 , wherein the representation of the out-of-vocabulary word and the orthographic anchors are feature vectors.