Fast dictionary look-up for contextual word recognition
Pattern Recognition
Integrating diverse knowledge sources in text recognition
ACM Transactions on Information Systems (TOIS)
Communications of the ACM
Communications of the ACM
Lexical Search Approach for Character-String Recognition
DAS '98 Selected Papers from the Third IAPR Workshop on Document Analysis Systems: Theory and Practice
Postprocessing statistical language models for handwritten Chinesecharacter recognizer
IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics
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A lexicon is needed in many applications. In the past, different structures such as tries, hash tables and their variants have been investigated for lexicon organization and lexical access. In this paper, we propose a new data structure that combines the use of hash table and tries for storing a Chinese lexicon. The data structure facilitates an efficient lexical access yet requires less memory than that of a trie lexicon. Experiments are conducted to evaluate its performance for in-vocabulary lexical access, out-of-vocabulary word rejection, and substring matching. The effectiveness of the proposed approach is confirmed.