Informationextraction is a main approach for constructing database from free text corpus and for automatic collecting intelligence information.
信息抽取是从自由文本语料库构建数据库，实现情报自动收集的有效途径之一。
2
It indicated that computer carry on automatic to classify can make the good result in artificial building informationextraction.
结果表明利用计算机进行自动分类在人工建筑物信息提取中也能取得好的效果。
3
The automaticextraction of remote sensing information can be carried out by mathematical description and computer processing of multi-characters space.