l-tree match : a new data extraction model and algorithm for huge text stream with noises l-树匹配:一种面向含噪声海量文本流的新型数据抽取模型和算法
received march 26, 2004; revised january 25, 2005 . abstract in this paper, a new method, named as l-tree match, is presented for extracting data from complex data sources 数据抽取程序又称包装器,其基本功能是从数据源中识别出感兴趣的数据,将其转换成恰当的格式以便于使用和管理。