英文观后感两千字锦集(14)

The third and fourth parts are most important . It had a list of existing project about web usage mining which I saw many times in other papers , but this paper is the one creating this list . Besides , it has been referred for more then twenty times . As we all know that , the higher the referred number is , the more important the paper is , so I consider this paper to be an important and successful one in this region.
In my opinion , the success of this paper dues to three reasons . The first reason is the profound computer knowledge owned by the authors . Web usage mining relates to many subjects , such as artificial intelligence , ontology , semantic analysis , but the most basic knowledge is computer science . The four authors are all professors of department of computer science and engineering in university of Minnesota .