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Direct linkTsao, Nai-Lung; Kuo, Chin-Hwa; Wible, David; Hung, Tsung-Fu – Educational Technology & Society, 2009
In this paper, we propose a syntax-based text retrieval system for on-line language learning and use a fast regular expression search engine as its main component. Regular expression searches provide more scalable querying and search results than keyword-based searches. However, without a well-designed index scheme, the execution time of regular…
Descriptors: Syntax, Search Engines, Information Retrieval, Mathematics
