1. 非结构化：结构化(structured)问题,是指能够通过形式化(或称公式化)方法描述和求解的一类问题;非结构化(unstructured)问题则难以用确定的形式来描述,主要根据经验来求解;介于上述两者之间的是半结构化(semi-structured)问题.
2. 无结构：和数据库检索不同的是,一方面,IR处理的主要数据往往是无结构(Unstructured)或者半结构的(Semi-structured),最典型的例子如没有任何结构的文章或者有tag标记的Html文档;另一方面,IR的检索结果也往往是不精确的,而不象数据库查询那样正确率一定是100%.
3. 未组织的：unstring 解开 | unstructured 未组织的 | unstrung 解开
4. 无社会组织的：unstructured 未组织的 | unstructured 无社会组织的 | unstuck 松开的
1. （会议、会面、活动等）未组织的，未作详细安排的
Something such as a meeting, interview, or activity that is unstructured is not organized in a complete or detailed way.
e.g. Our aim was that these meetings be unstructured and informal...
我们的目的是，这些会议不事先进行精心组织，要随意一些。
e.g. As seminars go, these are loose, unstructured affairs.
和多数研讨会一样，这些研讨会也比较松散随意。
1. unstructured的反义词
1. Having free time for unstructured play or to just sit and think is vital for children's emotional development.
2. Although their music was loose and unstructured, they felt quite proud to be able to " rock and roll ".
3. Unstructured days are a common reason for sleep problems, according to many experts.
4. " Increasing isolation and unstructured time can help an addiction develop, " warns Haupt.
adj
1. lacking definite structure or organization
e.g. an unstructured situation with no one in authority
a neighborhood gang with a relatively unstructured system
children in an unstructured environment often feel insecure
unstructured inkblots
2. lacking the system or structure characteristic of living bodies
Synonym: amorphous