Based on the analysis of information extraction process and the structure of product web page, a product information extraction model based on DOM tree is established.
在分析信息抽取过程和商品网页结构的基础上，构建了基于网页DOM树的商品供应信息抽取模型。
The extraction of model information and the dynamic invocation of mining from Cognos reports will be covered in the follow-up articles of this series.
模型信息的提取和从 Cognos 中对数据挖掘的动态调用将在本系列接下来的文章中谈到。
A maximum entropy model of feature extraction for the gas disaster information is established, with the training algorithm of the maximum entropy presented.
以最大熵原理为基础，建立了最大熵瓦斯灾害信息特征提取模型，提出了最大熵模型的参数训练算法。
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