加入概率的CKY句法分析器 含有前面三步对于CFG到CNF的转换 规则来自《自然语言处理综论》Adding the probability of CKY Parser contains three steps in front of the CFG to CNF conversion rules from the " facets of natural language processing" (2009-06-28, PHP-PERL, 8KB, 下载47次)