Description: probability syntax analyzer for statistical natural language processing of many senior applications, such as statistical machine translation, quiz systems, information extraction, text mining are essential, these applications directly determine the final performance. The system is a probability- based Chart analyzer. Systematic analysis algorithm is optimized using a variety of strategies. Results of the analysis is the greatest probability of a tree. The probability model, the system to some extent breakthrough in the context of pcfg unrelated to the assumption that the introduction of the context of the structural conditions, making results of the analysis accuracy rate has markedly improved. The use of Chinese tree of Pennsylvania library experiments, the analyzer markers recall rate a
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